Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

65.8°F

Measurement Time: Tuesday, September 29, 2026, 3:15 PM 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

57°F
Areas Of Fog
Areas Of Fog
100%
NW 1 mph
57°F

Weather Forecast

Areas Of Fog
Tonight
48°F - Areas Of Fog
Areas Of Fog then Partly Sunny
Wednesday
73°F - Areas Of Fog then Partly Sunny
Patchy Fog
Wednesday Night
57°F - Patchy Fog
Partly Sunny
Thursday
75°F - Partly Sunny
Partly Cloudy
Thursday Night
59°F - Partly Cloudy
Mostly Sunny then Chance Rain Showers
Friday
79°F - Mostly Sunny then Chance Rain Showers
Chance Rain Showers
Friday Night
52°F - Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Saturday
68°F - Slight Chance Rain Showers then Mostly Sunny
Partly Cloudy then Chance Rain Showers
Saturday Night
45°F - Partly Cloudy then Chance Rain Showers
Chance Rain Showers
Sunday
62°F - Chance Rain Showers
Chance Rain Showers
Sunday Night
46°F - Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Monday
63°F - Slight Chance Rain Showers then Mostly Sunny
Mostly Clear
Monday Night
38°F - Mostly Clear
Sunny
Tuesday
58°F - Sunny

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:49 AM
Sunset: 6:44 PM
Daylight: 11 hrs 50 mins
Moonrise: 8:02 PM
Moon Transit: 2:48 AM
Moonset: 10:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
4:52 PM - 7:22 PM

Minor Periods

7:32 PM - 9:02 PM
9:53 AM - 11:23 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: 6:54 AM
Sun Transit: 12:49 AM
Sunset: 6:44 PM
Daylight: 11 hrs 50 mins
Moonrise: 8:02 PM
Moon Transit: 2:48 AM
Moonset: 10:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
4:52 PM - 7:22 PM

Minor Periods

7:32 PM - 9:02 PM
9:53 AM - 11:23 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: 6:55 AM
Sun Transit: 12:48 AM
Sunset: 6:43 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:44 PM
Moon Transit: 3:44 AM
Moonset: 11:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
5:51 PM - 8:21 PM

Minor Periods

8:14 PM - 9:44 PM
11:09 AM - 12:39 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: 6:55 AM
Sun Transit: 12:48 AM
Sunset: 6:43 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:44 PM
Moon Transit: 3:44 AM
Moonset: 11:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
5:51 PM - 8:21 PM

Minor Periods

8:14 PM - 9:44 PM
11:09 AM - 12:39 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: 6:56 AM
Sun Transit: 12:48 AM
Sunset: 6:41 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:36 PM
Moon Transit: 4:44 AM
Moonset: 12:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
6:53 PM - 9:23 PM

Minor Periods

9:06 PM - 10:36 PM
12:23 AM - 1:53 PM

Action Rating: 4 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: 6:56 AM
Sun Transit: 12:48 AM
Sunset: 6:41 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:36 PM
Moon Transit: 4:44 AM
Moonset: 12:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
6:53 PM - 9:23 PM

Minor Periods

9:06 PM - 10:36 PM
12:23 AM - 1:53 PM

Action Rating: 4 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: 6:57 AM
Sun Transit: 12:48 AM
Sunset: 6:39 PM
Daylight: 11 hrs 42 mins
Moonrise: 10:41 PM
Moon Transit: 5:47 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
7:56 PM - 10:26 PM

Minor Periods

10:11 PM - 11:41 PM
1:29 PM - 2:59 PM

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: 6:57 AM
Sun Transit: 12:48 AM
Sunset: 6:39 PM
Daylight: 11 hrs 42 mins
Moonrise: 10:41 PM
Moon Transit: 5:47 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
7:56 PM - 10:26 PM

Minor Periods

10:11 PM - 11:41 PM
1:29 PM - 2:59 PM

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: 6:58 AM
Sun Transit: 12:48 AM
Sunset: 6:38 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:53 PM
Moon Transit: 6:49 AM
Moonset: 2:53 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
8:57 PM - 11:27 PM

Minor Periods

12:00 AM - 12:00 AM
2:23 PM - 3:53 PM

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: 6:58 AM
Sun Transit: 12:48 AM
Sunset: 6:38 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:53 PM
Moon Transit: 6:49 AM
Moonset: 2:53 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
8:57 PM - 11:27 PM

Minor Periods

12:00 AM - 12:00 AM
2:23 PM - 3:53 PM

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: 6:59 AM
Sun Transit: 12:47 AM
Sunset: 6:36 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:53 AM
Moon Transit: 7:49 AM
Moonset: 3:36 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:19 AM - 9:49 AM
12:00 AM - 12:00 AM

Minor Periods

3:06 PM - 4:36 PM
12:00 AM - 12:00 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: 6:59 AM
Sun Transit: 12:47 AM
Sunset: 6:36 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:53 AM
Moon Transit: 7:49 AM
Moonset: 3:36 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:19 AM - 9:49 AM
12:00 AM - 12:00 AM

Minor Periods

3:06 PM - 4:36 PM
12:00 AM - 12:00 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: 7:00 AM
Sun Transit: 12:47 AM
Sunset: 6:34 PM
Daylight: 11 hrs 34 mins
Moonrise: 1:08 AM
Moon Transit: 8:45 AM
Moonset: 4:10 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
12:00 AM - 12:00 AM

Minor Periods

3:40 PM - 5:10 PM
12:38 AM - 2:08 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: 7:00 AM
Sun Transit: 12:47 AM
Sunset: 6:34 PM
Daylight: 11 hrs 34 mins
Moonrise: 1:08 AM
Moon Transit: 8:45 AM
Moonset: 4:10 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
12:00 AM - 12:00 AM

Minor Periods

3:40 PM - 5:10 PM
12:38 AM - 2:08 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: 7:01 AM
Sun Transit: 12:47 AM
Sunset: 6:33 PM
Daylight: 11 hrs 31 mins
Moonrise: 2:24 AM
Moon Transit: 9:37 AM
Moonset: 4:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:07 AM - 11:37 AM

Minor Periods

4:08 PM - 5:38 PM
1:54 AM - 3:24 AM

Action Rating: 2 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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