Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

35.6°F

Measurement Time: Wednesday, January 28, 2026, 9:15 AM EST

Temperature Locations

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Local Points of Interest

Lumberland, NY

Mongaup River

Station Name: MONGAUP RIVER NEAR MONGAUP NY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 673 feet

Nearest Address:
20–98 Powerhouse Rd
Glen Spey, NY 12737
Sullivan County

GPS Coordinates: 41.4612222, -74.75877778

Nearby Water Temperatures

Mongaup River, Forestburgh, NY (7.4 mi)
Neversink River, Godeffroy, NY (8.2 mi)
Basher Kill, Westbrookville, NY (11 mi)
Delaware River, Narrowsburg, NY (12.2 mi)
Neversink River, Bridgeville, NY (14.3 mi)
Tenmile River, Tusten, NY (15 mi)
Sheldrake Stream, Thompsonville, NY (15.9 mi)
Gumaer Brook, Wurtsboro, NY (17.7 mi)
Callicoon Creek, Callicoon, NY (25.5 mi)
Neversink River, Neversink, NY (25.6 mi)
Neversink Reservoir, Neversink, NY (26.1 mi)
Chestnut Creek, Grahamsville, NY (29.2 mi)
Cannonsville Reservoir Diversion Channel, Grahamsville, NY (29.8 mi)
Willowemoc Creek, Livingston Manor, NY (30.7 mi)
Neversink River, Claryville, NY (30.9 mi)

Weather for Glen Spey, New York

Current Weather

21.9°F
Sunny
Sunny
14.4°F
20.1°F
27%
W 5.8 mph
6.7 mph
11.8°F
11°F
0 in
0%
9 mi
1016 mbar
0.8

Five Day Weather Forecast

Patchy moderate snow
Wed
H: 22°F
L: 0°F
Partly Cloudy
Thu
H: 23°F
L: 1°F
Sunny
Fri
H: 16°F
L: 0°F
Partly Cloudy
Sat
H: 24°F
L: 2°F
Overcast
Sun
H: 23°F
L: -1°F

Air Quality

AQI: 1 - Good
PM2.5: 9.15 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 251.85 μg/m3
Nitrogen Dioxide: 12.95 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:12 AM
Sunset: 5:10 PM
Daylight: 9 hrs 56 mins
Moonrise: 12:19 AM
Moon Transit: 8:27 PM
Moonset: 3:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

9:33 AM - 12:03 AM
7:57 PM - 10:27 PM

Minor Periods

11:49 AM - 1:19 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued January 28 at 1:12AM EST until January 29 at 10:00AM EST by NWS Mount Holly NJ

Effective: Wed January 28, 2026, 1:12 AM
Expires: Wed January 28, 2026, 5:00 PM

* WHAT...Very cold wind chills as low as 12 below. * WHERE...Portions of central, northern, and northwest New Jersey and east central and southeast Pennsylvania. * WHEN...Until 10 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 28 at 12:45PM EST until January 29 at 10:00AM EST by NWS Mount Holly NJ

Effective: Wed January 28, 2026, 12:45 PM
Expires: Thu January 29, 2026, 6:00 AM

* WHAT...Very cold wind chills as low as 15 below. * WHERE...Portions of northern New Jersey and southeast Pennsylvania. * WHEN...Until 10 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 28 at 1:20AM EST until January 28 at 10:00AM EST by NWS Binghamton NY

Effective: Wed January 28, 2026, 1:20 AM
Expires: Wed January 28, 2026, 1:30 PM

* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 15 below through this morning. For the second Cold Weather Advisory, very cold wind chills as low as 17 below expected again tonight. Higher terrain should see the coldest wind chill values. * WHERE...Lackawanna, Luzerne, Pike, Southern Wayne, and Wyoming Counties. * WHEN...For the first Cold Weather Advisory, until 10 AM EST this morning. For the second Cold Weather Advisory, from 11 PM this evening to 9 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia and frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible.


Cold Weather Advisory issued January 28 at 1:20AM EST until January 29 at 9:00AM EST by NWS Binghamton NY

Effective: Wed January 28, 2026, 1:20 AM
Expires: Wed January 28, 2026, 1:30 PM

* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 15 below through this morning. For the second Cold Weather Advisory, very cold wind chills as low as 17 below expected again tonight. Higher terrain should see the coldest wind chill values. * WHERE...Lackawanna, Luzerne, Pike, Southern Wayne, and Wyoming Counties. * WHEN...For the first Cold Weather Advisory, until 10 AM EST this morning. For the second Cold Weather Advisory, from 11 PM this evening to 9 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia and frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible.


Cold Weather Advisory issued January 28 at 11:45AM EST until January 29 at 9:00AM EST by NWS Binghamton NY

Effective: Wed January 28, 2026, 11:45 AM
Expires: Thu January 29, 2026, 3:00 AM

* WHAT...Very cold wind chills as low as 15 below expected. * WHERE...Bradford, Lackawanna, Luzerne, Northern Wayne, Pike, Southern Wayne, Susquehanna, and Wyoming Counties. * WHEN...From 11 PM this evening to 9 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible.


Cold Weather Advisory issued January 28 at 12:33PM EST until January 29 at 10:00AM EST by NWS Upton NY

Effective: Wed January 28, 2026, 12:33 PM
Expires: Thu January 29, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 14 below expected. * WHERE...In New Jersey, Eastern Passaic and Western Passaic Counties. In New York, Orange County. * WHEN...From 1 AM to 10 AM EST Thursday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 28 at 11:45AM EST until January 29 at 9:00AM EST by NWS Binghamton NY

Effective: Wed January 28, 2026, 11:45 AM
Expires: Thu January 29, 2026, 3:00 AM

* WHAT...Very cold wind chills as low as 15 below expected. * WHERE...Steuben and Sullivan Counties. * WHEN...From 11 PM this evening to 9 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible.


Cold Weather Advisory issued January 28 at 1:20AM EST until January 28 at 10:00AM EST by NWS Binghamton NY

Effective: Wed January 28, 2026, 1:20 AM
Expires: Wed January 28, 2026, 10:00 AM

* WHAT...Very cold wind chills with values as low as 15 below zero expected through this morning. Higher terrain should see the coldest wind chill values. * WHERE...Bradford, Northern Wayne, and Susquehanna Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia and frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible.


Cold Weather Advisory issued January 28 at 1:12AM EST until January 29 at 10:00AM EST by NWS Mount Holly NJ

Effective: Wed January 28, 2026, 1:12 AM
Expires: Wed January 28, 2026, 5:00 PM

* WHAT...Very cold wind chills as low as 18 below. * WHERE...Carbon and Monroe Counties. * WHEN...Until 10 AM EST Thursday. * IMPACTS...The dangerously cold wind chills as low as 18 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 28 at 12:45PM EST until January 29 at 10:00AM EST by NWS Mount Holly NJ

Effective: Wed January 28, 2026, 12:45 PM
Expires: Thu January 29, 2026, 6:00 AM

* WHAT...Very cold wind chills as low as 17 below. * WHERE...Carbon and Monroe Counties. * WHEN...Until 10 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 28 at 12:22PM EST until January 29 at 11:00AM EST by NWS Albany NY

Effective: Wed January 28, 2026, 12:22 PM
Expires: Thu January 29, 2026, 3:30 AM

* WHAT...Very cold wind chills as low as 20 below expected. * WHERE...Western Greene and Western Ulster Counties. * WHEN...From 10 PM this evening to 11 AM EST Thursday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could result in hypothermia or frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Wednesday, January 28, 2026

Weather Forecast

Patchy moderate snow
21.7°F
0.1°F
10.4°F
57%
0.03 in
65%
11%
8.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.43 μg/m3
PM10: 8.62 μg/m3
Carbon Monoxide: 219.37 μg/m3
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 70.24 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:12 AM
Sunset: 5:10 PM
Daylight: 9 hrs 56 mins
Moonrise: 12:19 AM
Moon Transit: 8:27 PM
Moonset: 3:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

9:33 AM - 12:03 AM
7:57 PM - 10:27 PM

Minor Periods

11:49 AM - 1:19 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Partly Cloudy
23.4°F
0.5°F
13.7°F
69%
0 in
0%
4%
10.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 217.57 μg/m3
Nitrogen Dioxide: 6.45 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 67.64 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:12 AM
Sunset: 5:11 PM
Daylight: 9 hrs 58 mins
Moonrise: 1:18 PM
Moon Transit: 9:32 PM
Moonset: 4:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:37 AM - 1:07 PM
9:02 PM - 11:32 PM

Minor Periods

12:48 AM - 2:18 PM
4:12 AM - 5:42 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Sunny
15.6°F
0.1°F
7.1°F
65%
0 in
0%
0%
12.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 3.74 μg/m3
Carbon Monoxide: 171.81 μg/m3
Nitrogen Dioxide: 5.24 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:12 AM
Sunset: 5:13 PM
Daylight: 10 hrs mins
Moonrise: 2:29 PM
Moon Transit: 10:36 PM
Moonset: 5:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:42 AM - 2:12 PM
12:00 AM - 12:00 AM

Minor Periods

1:59 PM - 3:29 PM
5:14 AM - 6:44 AM

Action Rating: 3 out of 5

Saturday, January 31, 2026

Weather Forecast

Partly Cloudy
23.9°F
2.1°F
7.9°F
78%
0 in
0%
10%
8.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 197.05 μg/m3
Nitrogen Dioxide: 6.31 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 68.48 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:12 AM
Sunset: 5:14 PM
Daylight: 10 hrs 2 mins
Moonrise: 3:46 PM
Moon Transit: 11:36 PM
Moonset: 6:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 PM
12:00 AM - 12:00 AM

Minor Periods

3:16 PM - 4:46 PM
6:04 AM - 7:34 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Overcast
22.8°F
-0.9°F
10.1°F
88%
0 in
0%
0%
18.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.34 μg/m3
PM10: 3.52 μg/m3
Carbon Monoxide: 179.53 μg/m3
Nitrogen Dioxide: 4.91 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 70.69 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:12 AM
Sunset: 5:15 PM
Daylight: 10 hrs 5 mins
Moonrise: 5:05 PM
Moon Transit: 12:00 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:40 PM - 4:10 PM

Minor Periods

4:35 PM - 6:05 PM
6:42 AM - 8:12 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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