Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

33.8°F

Measurement Time: Monday, February 2, 2026, 1:15 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

5.4°F
Clear
Clear
-11.9°F
3.4°F
83%
NW 13.9 mph
21.6 mph
-4.3°F
-12.2°F
0 in
0%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 30°F
L: 3°F
Partly Cloudy
Tue
H: 29°F
L: 7°F
Partly Cloudy
Wed
H: 33°F
L: 18°F
Partly Cloudy
Thu
H: 27°F
L: 4°F
Heavy snow
Fri
H: 29°F
L: -4°F

Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 189.85 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 80 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

Cold Weather Advisory issued February 1 at 8:57PM EST until February 2 at 10:00AM EST by NWS Binghamton NY

Effective: Sun February 1, 2026, 8:57 PM
Expires: Mon February 2, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 10 to 20 below expected. * WHERE...In New York, Delaware and Sullivan Counties. In Pennsylvania, Lackawanna, Luzerne, Pike, and Southern Wayne Counties. * WHEN...Until 10 AM EST Monday. * IMPACTS...The cold wind chills as low as 10 to 20 below zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...The coldest wind chills will be across the higher elevations of the Catskills and Poconos.

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


Cold Weather Advisory issued February 1 at 12:48PM EST until February 2 at 10:00AM EST by NWS Upton NY

Effective: Sun February 1, 2026, 12:48 PM
Expires: Mon February 2, 2026, 3:00 AM

* WHAT...Very cold wind chills as low as 10 to 15 below zero. * WHERE...Orange and Putnam Counties. * WHEN...From 10 PM this evening to 10 AM EST Monday. * 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 February 2 at 1:04AM EST until February 2 at 10:00AM EST by NWS Upton NY

Effective: Mon February 2, 2026, 1:04 AM
Expires: Mon February 2, 2026, 9:15 AM

* WHAT...Very cold wind chills as low as 10 below. * WHERE...Orange and Putnam Counties. * WHEN...Until 10 AM EST this morning. * 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 February 1 at 8:57PM EST until February 2 at 10:00AM EST by NWS Binghamton NY

Effective: Sun February 1, 2026, 8:57 PM
Expires: Mon February 2, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 10 to 20 below expected. * WHERE...Northern Wayne County. * WHEN...Until 10 AM EST Monday. * IMPACTS...The cold wind chills as low as 10 to 20 below zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...The coldest wind chills will be across the higher elevations of the Catskills and Poconos.

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


Cold Weather Advisory issued February 1 at 5:58PM EST until February 2 at 10:00AM EST by NWS Mount Holly NJ

Effective: Sun February 1, 2026, 5:58 PM
Expires: Mon February 2, 2026, 7:00 AM

* WHAT...Very cold wind chills as low as 15 below. * WHERE...Carbon and Monroe Counties. * WHEN...Until 10 AM EST Monday. * 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 February 1 at 11:50AM EST until February 2 at 10:00AM EST by NWS Albany NY

Effective: Sun February 1, 2026, 11:50 AM
Expires: Mon February 2, 2026, 3:00 AM

* WHAT...Very cold wind chills as low as 10 to 20 below expected. * WHERE...In northwestern Connecticut, Litchfield County. In western Massachusetts, Berkshire County. In eastern New York, the eastern Catskills, Helderbergs, Taconics and southern portions of the mid Hudson Valley. * WHEN...From 10 PM this evening to 10 AM EST Monday. * IMPACTS...The cold wind chills as low as 10 to 20 below zero could result in hypothermia or frostbite if precautions are not taken. * ADDITIONAL DETAILS...The coldest wind chills will be across the higher elevations of the eastern Catskills and Berkshires.

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


Cold Weather Advisory issued February 1 at 10:27PM EST until February 2 at 10:00AM EST by NWS Albany NY

Effective: Sun February 1, 2026, 10:27 PM
Expires: Mon February 2, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 10 t0 20 below. * WHERE...In northwestern Connecticut, Litchfield County. In western Massachusetts, Berkshire County. In eastern New York, the eastern Catskills, Helderbergs, Taconics and southern portions of the mid Hudson Valley. * WHEN...Until 10 AM EST Monday. * IMPACTS...The cold wind chills as low as 10 to 20 below zero could result in hypothermia or frostbite if precautions are not taken. * ADDITIONAL DETAILS...The coldest wind chills will be across the higher elevations of the eastern Catskills and Berkshires.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Monday, February 2, 2026

Weather Forecast

Sunny
29.7°F
2.8°F
15.5°F
61%
0 in
0%
0%
14.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.29 μg/m3
Carbon Monoxide: 179.49 μg/m3
Nitrogen Dioxide: 4.5 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 80.28 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

Partly Cloudy
28.9°F
7°F
18.8°F
81%
0 in
0%
0%
6.7 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.24 μg/m3
PM10: 8.37 μg/m3
Carbon Monoxide: 215.45 μg/m3
Nitrogen Dioxide: 8.36 μg/m3
Sulphur Dioxide: 3.57 μg/m3
Ozone: 72.88 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

Wednesday, February 4, 2026

Weather Forecast

Partly Cloudy
33.1°F
18.4°F
24.7°F
74%
0 in
0%
0%
11.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.32 μg/m3
PM10: 6.34 μg/m3
Carbon Monoxide: 226.05 μg/m3
Nitrogen Dioxide: 8.54 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 67.12 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:12 AM
Sunset: 5:19 PM
Daylight: 10 hrs 12 mins
Moonrise: 8:40 PM
Moon Transit: 2:07 AM
Moonset: 8:31 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
4:04 PM - 6:34 PM

Minor Periods

8:10 PM - 9:40 PM
8:01 AM - 9:31 AM

Action Rating: 3 out of 5

Thursday, February 5, 2026

Weather Forecast

Partly Cloudy
27.3°F
3.6°F
15.1°F
86%
0 in
0%
10%
11.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 2.89 μg/m3
Carbon Monoxide: 189.61 μg/m3
Nitrogen Dioxide: 5.01 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 72.88 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:13 AM
Sunset: 5:20 PM
Daylight: 10 hrs 14 mins
Moonrise: 9:45 PM
Moon Transit: 2:50 AM
Moonset: 8:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
4:47 PM - 7:17 PM

Minor Periods

9:15 PM - 10:45 PM
8:21 AM - 9:51 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Heavy snow
29°F
-3.6°F
13°F
96%
0.1 in
72%
31%
11.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.47 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 286.2 μg/m3
Nitrogen Dioxide: 14.54 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 55.92 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:13 AM
Sunset: 5:21 PM
Daylight: 10 hrs 16 mins
Moonrise: 10:50 PM
Moon Transit: 3:33 AM
Moonset: 9:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
5:30 PM - 8:00 PM

Minor Periods

10:20 PM - 11:50 PM
8:41 AM - 10:11 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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