Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

35.2°F

Measurement Time: Friday, January 30, 2026, 3:15 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

7°F
Overcast
Overcast
-8.3°F
1°F
47%
NW 11.4 mph
13.1 mph
-11°F
-11.8°F
0 in
0%
9 mi
1020 mbar
0.7

Five Day Weather Forecast

Overcast
Fri
H: 13°F
L: -4°F
Sunny
Sat
H: 25°F
L: -2°F
Overcast
Sun
H: 19°F
L: 3°F
Sunny
Mon
H: 28°F
L: 8°F
Overcast
Tue
H: 32°F
L: 11°F

Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 76 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

Cold Weather Advisory issued January 30 at 12:28AM EST until January 31 at 10:00AM EST by NWS Mount Holly NJ

Effective: Fri January 30, 2026, 12:28 AM
Expires: Fri January 30, 2026, 1:30 PM

* WHAT...Very cold wind chills as low as 10 below expected. * WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, central, northern, northwest, and southern New Jersey, and east central and southeast Pennsylvania. * WHEN...Until 10 AM EST Saturday. * IMPACTS...The cold wind chills as low as 10 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 30 at 1:37AM EST until February 1 at 9:00AM EST by NWS Binghamton NY

Effective: Fri January 30, 2026, 1:37 AM
Expires: Fri January 30, 2026, 1:45 PM

* WHAT...Very cold wind chills as low as 15 to 25 below expected. * WHERE...Portions of central New York and northeast Pennsylvania. * WHEN...Until 9 AM EST Sunday. * IMPACTS...The dangerously cold wind chills as low as 15 to 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Actual air temperature will be below zero each night through Sunday morning. The prolonged cold could cause pipes to freeze or burst. Daytime high temperatures will climb above zero with afternoon highs of 5 to 15 degrees above zero.

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


Cold Weather Advisory issued January 29 at 1:11PM EST until January 30 at 10:00AM EST by NWS Upton NY

Effective: Thu January 29, 2026, 1:11 PM
Expires: Fri January 30, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 17 below expected. * WHERE...Northern Westchester, Orange, Putnam, Rockland, and Southern Westchester Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * 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 30 at 1:40AM EST until January 31 at 10:00AM EST by NWS Upton NY

Effective: Fri January 30, 2026, 1:40 AM
Expires: Fri January 30, 2026, 5:00 PM

* WHAT...Very cold wind chills as low as 10 to 15 below. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Through 10 AM EST this morning and again from Midnight tonight through 10 AM EST Saturday. * 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 29 at 1:11PM EST until January 30 at 10:00AM EST by NWS Upton NY

Effective: Thu January 29, 2026, 1:11 PM
Expires: Fri January 30, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 12 below expected. * WHERE...Eastern Bergen, Eastern Passaic, Western Bergen, and Western Passaic Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * 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.


Extreme Cold Warning issued January 30 at 12:28AM EST until January 30 at 11:00AM EST by NWS Mount Holly NJ

Effective: Fri January 30, 2026, 12:28 AM
Expires: Fri January 30, 2026, 1:30 PM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 20 below. For the Cold Weather Advisory, very cold wind chills as low as 15 below expected. * WHERE...Carbon and Monroe Counties. * WHEN...For the Extreme Cold Warning, until 11 AM EST this morning. For the Cold Weather Advisory, from 11 AM this morning to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 20 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.

Dress in layers including a hat, face mask, and gloves if you must go outside. 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. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 30 at 12:28AM EST until January 31 at 10:00AM EST by NWS Mount Holly NJ

Effective: Fri January 30, 2026, 12:28 AM
Expires: Fri January 30, 2026, 1:30 PM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 20 below. For the Cold Weather Advisory, very cold wind chills as low as 15 below expected. * WHERE...Carbon and Monroe Counties. * WHEN...For the Extreme Cold Warning, until 11 AM EST this morning. For the Cold Weather Advisory, from 11 AM this morning to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 20 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.

Dress in layers including a hat, face mask, and gloves if you must go outside. 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. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 30 at 12:39AM EST until January 30 at 11:00AM EST by NWS Albany NY

Effective: Fri January 30, 2026, 12:39 AM
Expires: Fri January 30, 2026, 11:00 AM

* WHAT...Very cold wind chills between 15 and 25 below. * WHERE...Portions of northwestern Connecticut and eastern New York. * WHEN...Until 11 AM EST this morning. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.

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


Friday, January 30, 2026

Weather Forecast

Overcast
12.6°F
-4°F
4.8°F
61%
0 in
0%
0%
13 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.7 μg/m3
PM10: 4.77 μg/m3
Carbon Monoxide: 166.81 μg/m3
Nitrogen Dioxide: 5.14 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 70.6 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

Sunny
24.6°F
-2.2°F
10.7°F
70%
0 in
0%
0%
8.7 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.96 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 68.52 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
19°F
3°F
9.8°F
69%
0 in
0%
0%
18.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.26 μg/m3
PM10: 3.54 μg/m3
Carbon Monoxide: 171.73 μg/m3
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 74.68 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

Monday, February 2, 2026

Weather Forecast

Sunny
27.6°F
7.5°F
17.2°F
83%
0 in
0%
0%
18.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.51 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 158.23 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 80.04 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:12 AM
Sunset: 5:16 PM
Daylight: 10 hrs 7 mins
Moonrise: 6:20 PM
Moon Transit: 12:31 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
2:32 PM - 5:02 PM

Minor Periods

5:50 PM - 7:20 PM
7:13 AM - 8:43 AM

Action Rating: 5 out of 5

Tuesday, February 3, 2026

Weather Forecast

Overcast
31.8°F
10.5°F
18.9°F
90%
0 in
0%
5%
11 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 3.93 μg/m3
Carbon Monoxide: 199.89 μg/m3
Nitrogen Dioxide: 6.59 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 74.92 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:12 AM
Sunset: 5:18 PM
Daylight: 10 hrs 9 mins
Moonrise: 7:32 PM
Moon Transit: 1:21 AM
Moonset: 8:08 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
3:20 PM - 5:50 PM

Minor Periods

7:02 PM - 8:32 PM
7:38 AM - 9:08 AM

Action Rating: 3 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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