Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

35.8°F

Measurement Time: Tuesday, December 30, 2025, 9:15 AM EST

Temperature Locations

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Local Points of Interest

Lumberland, NY

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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

27.4°F
Cloudy
Light snow
68%
°F
°F
WNW 11.2 mph
mph
°F
1005 millibars
14°F
10%
0 in
100%
10 mi
0

Five Day Weather Forecast

Light freezing rain
Tue
H: 25°F
L: 19°F
Partly Cloudy
Wed
H: 32°F
L: 22°F
Sunny
Thu
H: 28°F
L: 16°F
Light freezing rain
Fri
H: 26°F
L: 13°F
Overcast
Sat
H: 28°F
L: 13°F

Air Quality

AQI: 1 - Good
PM2.5: 1.75 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:01 AM
Sunset: 4:39 PM
Daylight: 9 hrs 14 mins
Moonrise: 12:57 AM
Moon Transit: 8:36 PM
Moonset: 3:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:44 AM - 12:14 AM
8:06 PM - 10:36 PM

Minor Periods

12:27 AM - 1:57 PM
2:39 AM - 4:09 AM

Action Rating: 2 out of 5

Wind Advisory issued December 30 at 1:31AM EST until December 30 at 1:00PM EST by NWS Mount Holly NJ

Effective: Tue December 30, 2025, 1:31 AM
Expires: Tue December 30, 2025, 1:00 PM

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of northern Delaware, New Jersey, and southeast Pennsylvania. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 12:43PM EST until December 30 at 4:00PM EST by NWS Mount Holly NJ

Effective: Tue December 30, 2025, 12:43 PM
Expires: Tue December 30, 2025, 4:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 40 to 50 mph. * WHERE...Portions of northern Delaware, central, northern, northwest, and southern New Jersey, and east central and southeast Pennsylvania. * WHEN...Until 4 PM EST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 12:42AM EST until December 30 at 7:00PM EST by NWS Binghamton NY

Effective: Tue December 30, 2025, 12:42 AM
Expires: Tue December 30, 2025, 2:15 PM

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of central New York and northeast Pennsylvania. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued December 30 at 12:30PM EST until December 30 at 7:00PM EST by NWS Binghamton NY

Effective: Tue December 30, 2025, 12:30 PM
Expires: Tue December 30, 2025, 7:00 PM

* WHAT...West winds 15 to 25 mph with gusts of 45 to 50 mph. * WHERE...Portions of central New York and northeast Pennsylvania. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued December 30 at 1:16AM EST until December 30 at 6:00PM EST by NWS Upton NY

Effective: Tue December 30, 2025, 1:16 AM
Expires: Tue December 30, 2025, 2:00 PM

* WHAT...West winds 10 to 20 mph with gusts up to 45 mph. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 6 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 1:50AM EST until December 30 at 6:00PM EST by NWS Upton NY

Effective: Tue December 30, 2025, 1:50 AM
Expires: Tue December 30, 2025, 2:00 PM

* WHAT...West winds 15 to 25 mph with gusts 45 to 50 mph. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 6 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 1:02PM EST until December 30 at 6:00PM EST by NWS Upton NY

Effective: Tue December 30, 2025, 1:02 PM
Expires: Tue December 30, 2025, 6:00 PM

* WHAT...West winds 15 to 25 mph with gusts 45 to 50 mph. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 6 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 1:31AM EST until December 30 at 5:00PM EST by NWS Mount Holly NJ

Effective: Tue December 30, 2025, 1:31 AM
Expires: Tue December 30, 2025, 5:00 PM

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...Carbon and Monroe Counties. * WHEN...Until 5 PM EST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 12:43PM EST until December 30 at 4:00PM EST by NWS Mount Holly NJ

Effective: Tue December 30, 2025, 12:43 PM
Expires: Tue December 30, 2025, 4:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 40 to 50 mph. * WHERE...Carbon and Monroe Counties. * WHEN...Until 4 PM EST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued December 30 at 1:11AM EST until December 30 at 7:00PM EST by NWS Albany NY

Effective: Tue December 30, 2025, 1:11 AM
Expires: Tue December 30, 2025, 4:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Portions of northwestern Connecticut, western Massachusetts, eastern New York, and southern Vermont. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strong westerly winds continue today, especially across the eastern Catskills, Mohawk Valley, Greater Capital District, northern Taconics, and southern Vermont. Blowing and drifting snow will occur today due to these gusty winds, where treated roadways can be re-covered in snow.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued December 30 at 12:04PM EST until December 30 at 7:00PM EST by NWS Albany NY

Effective: Tue December 30, 2025, 12:04 PM
Expires: Tue December 30, 2025, 7:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Portions of northwestern Connecticut, western Massachusetts, east central and eastern New York, and southern Vermont. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Tuesday, December 30, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 22.8°F
Average Humidity: 65%
Chance of Rain: 76%
Wind: 19 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.6 μg/m3
PM10: 1.61 μg/m3
Carbon Monoxide: 159.97 μg/m3
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 76.92 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:01 AM
Sunset: 4:39 PM
Daylight: 9 hrs 14 mins
Moonrise: 12:57 AM
Moon Transit: 8:36 PM
Moonset: 3:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:44 AM - 12:14 AM
8:06 PM - 10:36 PM

Minor Periods

12:27 AM - 1:57 PM
2:39 AM - 4:09 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 26.1°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.91 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 166.13 μg/m3
Nitrogen Dioxide: 5.34 μg/m3
Sulphur Dioxide: 4.17 μg/m3
Ozone: 72.6 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:02 AM
Sunset: 4:40 PM
Daylight: 9 hrs 14 mins
Moonrise: 1:38 PM
Moon Transit: 9:38 PM
Moonset: 4:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:44 AM - 1:14 PM
9:08 PM - 11:38 PM

Minor Periods

1:08 PM - 2:38 PM
4:00 AM - 5:30 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 21.1°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.14 μg/m3
PM10: 5.19 μg/m3
Carbon Monoxide: 176.25 μg/m3
Nitrogen Dioxide: 8.36 μg/m3
Sulphur Dioxide: 5.12 μg/m3
Ozone: 60.08 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:02 AM
Sunset: 4:40 PM
Daylight: 9 hrs 15 mins
Moonrise: 2:32 PM
Moon Transit: 10:45 PM
Moonset: 5:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:49 AM - 2:19 PM
12:00 AM - 12:00 AM

Minor Periods

2:02 PM - 3:32 PM
5:18 AM - 6:48 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 18.4°F
Average Humidity: 80%
Chance of Rain: 63%
Wind: 10.7 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 4.21 μg/m3
PM10: 4.27 μg/m3
Carbon Monoxide: 177.39 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 71.4 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:03 AM
Sunset: 4:41 PM
Daylight: 9 hrs 16 mins
Moonrise: 3:39 PM
Moon Transit: 11:51 PM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:56 AM - 3:26 PM
12:00 AM - 12:00 AM

Minor Periods

3:09 PM - 4:39 PM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 17.3°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 8.98 μg/m3
PM10: 9.14 μg/m3
Carbon Monoxide: 214.6 μg/m3
Nitrogen Dioxide: 11.1 μg/m3
Sulphur Dioxide: 8.45 μg/m3
Ozone: 61.92 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:03 AM
Sunset: 4:42 PM
Daylight: 9 hrs 17 mins
Moonrise: 4:55 PM
Moon Transit: 12:00 AM
Moonset: 7:58 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:01 PM - 4:31 PM

Minor Periods

4:25 PM - 5:55 PM
7:28 AM - 8:58 AM

Action Rating: 6 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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