Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

36.9°F

Measurement Time: Thursday, January 15, 2026, 2:15 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

39°F
Mist
Mist
33.7°F
36.9°F
82%
SW 7.4 mph
11.2 mph
32.3°F
35.4°F
0 in
100%
4 mi
994 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 37°F
L: 20°F
Partly Cloudy
Fri
H: 28°F
L: 19°F
Moderate or heavy snow showers
Sat
H: 35°F
L: 24°F
Moderate or heavy snow showers
Sun
H: 28°F
L: 22°F
Moderate snow
Mon
H: 28°F
L: 18°F

Air Quality

PM2.5: 1.65 μg/m3
PM10: 1.65 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:08 AM
Sunset: 4:55 PM
Daylight: 9 hrs 32 mins
Moonrise: 5:14 AM
Moon Transit: 9:30 AM
Moonset: 1:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:00 AM - 11:30 AM

Minor Periods

1:15 PM - 2:45 PM
4:44 AM - 6:14 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Patchy rain nearby
37.2°F
20.1°F
31.2°F
71%
0.02 in
79%
3%
13.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 12.21 μg/m3
PM10: 12.5 μg/m3
Carbon Monoxide: 251.81 μg/m3
Nitrogen Dioxide: 26.42 μg/m3
Sulphur Dioxide: 7.05 μg/m3
Ozone: 32.68 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:08 AM
Sunset: 4:55 PM
Daylight: 9 hrs 32 mins
Moonrise: 5:14 AM
Moon Transit: 9:30 AM
Moonset: 1:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:00 AM - 11:30 AM

Minor Periods

1:15 PM - 2:45 PM
4:44 AM - 6:14 AM

Action Rating: 2 out of 5

Friday, January 16, 2026

Weather Forecast

Partly Cloudy
28.4°F
18.9°F
24.3°F
49%
0 in
0%
0%
15.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.21 μg/m3
PM10: 3.24 μg/m3
Carbon Monoxide: 180.37 μg/m3
Nitrogen Dioxide: 5.62 μg/m3
Sulphur Dioxide: 3.19 μg/m3
Ozone: 68.4 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:08 AM
Sunset: 4:56 PM
Daylight: 9 hrs 33 mins
Moonrise: 6:08 AM
Moon Transit: 10:22 AM
Moonset: 2:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:52 AM - 12:22 AM

Minor Periods

2:09 PM - 3:39 PM
5:38 AM - 7:08 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Moderate or heavy snow showers
35.4°F
24°F
29.7°F
70%
0.35 in
66%
15%
9.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 10.12 μg/m3
PM10: 10.27 μg/m3
Carbon Monoxide: 210.99 μg/m3
Nitrogen Dioxide: 14.43 μg/m3
Sulphur Dioxide: 8.07 μg/m3
Ozone: 47.64 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:09 AM
Sunset: 4:57 PM
Daylight: 9 hrs 35 mins
Moonrise: 6:55 AM
Moon Transit: 11:15 AM
Moonset: 3:39 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
10:45 AM - 1:15 PM

Minor Periods

3:09 PM - 4:39 PM
6:25 AM - 7:55 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Moderate or heavy snow showers
28°F
22°F
25.3°F
76%
0.15 in
68%
40%
7.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 12.51 μg/m3
PM10: 12.61 μg/m3
Carbon Monoxide: 259.1 μg/m3
Nitrogen Dioxide: 19.32 μg/m3
Sulphur Dioxide: 8.69 μg/m3
Ozone: 35 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:09 AM
Sunset: 4:58 PM
Daylight: 9 hrs 37 mins
Moonrise: 7:34 AM
Moon Transit: 12:06 AM
Moonset: 4:46 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

1:17 AM - 3:47 AM
11:36 AM - 2:06 PM

Minor Periods

4:16 PM - 5:46 PM
7:04 AM - 8:34 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Moderate snow
27.7°F
17.9°F
22.4°F
74%
0.06 in
89%
28%
15.7 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:09 AM
Sunset: 4:59 PM
Daylight: 9 hrs 38 mins
Moonrise: 8:07 AM
Moon Transit: 12:56 AM
Moonset: 5:54 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
12:26 AM - 2:56 PM

Minor Periods

5:24 PM - 6:54 PM
7:37 AM - 9:07 AM

Action Rating: 5 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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