Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

68.5°F

Measurement Time: Sunday, September 20, 2026, 8:15 AM EDT

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

59°F
Rain Showers Likely
Rain Showers Likely
96%
SE 5 mph
58°F

Weather Forecast

Rain Showers
This Afternoon
61°F - Rain Showers
Slight Chance Rain Showers then Mostly Cloudy
Tonight
52°F - Slight Chance Rain Showers then Mostly Cloudy
Partly Sunny
Monday
67°F - Partly Sunny
Rain Showers Likely
Monday Night
45°F - Rain Showers Likely
Chance Rain Showers
Tuesday
59°F - Chance Rain Showers
Chance Rain Showers then Mostly Cloudy
Tuesday Night
43°F - Chance Rain Showers then Mostly Cloudy
Partly Sunny
Wednesday
60°F - Partly Sunny
Mostly Cloudy
Wednesday Night
43°F - Mostly Cloudy
Partly Sunny
Thursday
61°F - Partly Sunny
Mostly Cloudy
Thursday Night
44°F - Mostly Cloudy
Slight Chance Rain Showers
Friday
64°F - Slight Chance Rain Showers
Chance Rain Showers
Friday Night
45°F - Chance Rain Showers
Chance Rain Showers
Saturday
65°F - Chance Rain Showers
Slight Chance Rain Showers
Saturday Night
46°F - Slight Chance Rain Showers

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:52 AM
Sunset: 7:00 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:06 PM
Moon Transit: 8:35 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 AM
8:05 PM - 10:35 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:45 AM
Sun Transit: 12:52 AM
Sunset: 7:00 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:06 PM
Moon Transit: 8:35 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 AM
8:05 PM - 10:35 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:45 AM
Sun Transit: 12:52 AM
Sunset: 7:00 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:06 PM
Moon Transit: 8:35 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 AM
8:05 PM - 10:35 PM

Minor Periods

3:36 PM - 5:06 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:46 AM
Sun Transit: 12:52 AM
Sunset: 6:58 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:40 PM
Moon Transit: 9:23 PM
Moonset: 1:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
8:53 PM - 11:23 PM

Minor Periods

4:10 PM - 5:40 PM
12:39 AM - 2:09 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:46 AM
Sun Transit: 12:52 AM
Sunset: 6:58 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:40 PM
Moon Transit: 9:23 PM
Moonset: 1:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
8:53 PM - 11:23 PM

Minor Periods

4:10 PM - 5:40 PM
12:39 AM - 2:09 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:47 AM
Sun Transit: 12:51 AM
Sunset: 6:56 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:07 PM
Moon Transit: 10:09 PM
Moonset: 2:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:22 AM - 1:52 PM
12:00 AM - 12:00 AM

Minor Periods

4:37 PM - 6:07 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:47 AM
Sun Transit: 12:51 AM
Sunset: 6:56 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:07 PM
Moon Transit: 10:09 PM
Moonset: 2:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:22 AM - 1:52 PM
12:00 AM - 12:00 AM

Minor Periods

4:37 PM - 6:07 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 12:51 AM
Sunset: 6:55 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:32 PM
Moon Transit: 10:54 PM
Moonset: 3:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 PM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
2:50 AM - 4:20 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 12:51 AM
Sunset: 6:55 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:32 PM
Moon Transit: 10:54 PM
Moonset: 3:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 PM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
2:50 AM - 4:20 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:49 AM
Sun Transit: 12:50 AM
Sunset: 6:53 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:54 PM
Moon Transit: 11:38 PM
Moonset: 4:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 PM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
3:57 AM - 5:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:49 AM
Sun Transit: 12:50 AM
Sunset: 6:53 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:54 PM
Moon Transit: 11:38 PM
Moonset: 4:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 PM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
3:57 AM - 5:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:50 AM
Sun Transit: 12:50 AM
Sunset: 6:51 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:15 PM
Moon Transit: 12:00 AM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:45 PM - 7:15 PM
5:04 AM - 6:34 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:50 AM
Sun Transit: 12:50 AM
Sunset: 6:51 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:15 PM
Moon Transit: 12:00 AM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:45 PM - 7:15 PM
5:04 AM - 6:34 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 12:50 AM
Sunset: 6:49 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:37 PM
Moon Transit: 8:33 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:07 PM - 7:37 PM
6:13 AM - 7:43 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 12:50 AM
Sunset: 6:49 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:37 PM
Moon Transit: 8:33 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:07 PM - 7:37 PM
6:13 AM - 7:43 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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