Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

70.0°F

Measurement Time: Thursday, September 17, 2026, 4:15 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

65°F
Patchy Fog
Patchy Fog
100%
SE 1 mph
65°F

Weather Forecast

Patchy Fog then Chance Showers And Thunderstorms
Today
77°F - Patchy Fog then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tonight
60°F - Chance Showers And Thunderstorms
Sunny
Friday
75°F - Sunny
Partly Cloudy
Friday Night
47°F - Partly Cloudy
Mostly Sunny
Saturday
67°F - Mostly Sunny
Mostly Cloudy then Rain Showers
Saturday Night
52°F - Mostly Cloudy then Rain Showers
Showers And Thunderstorms
Sunday
64°F - Showers And Thunderstorms
Rain Showers
Sunday Night
51°F - Rain Showers
Partly Sunny
Monday
65°F - Partly Sunny
Slight Chance Rain Showers
Monday Night
47°F - Slight Chance Rain Showers
Chance Rain Showers
Tuesday
61°F - Chance Rain Showers
Chance Rain Showers
Tuesday Night
46°F - Chance Rain Showers
Partly Sunny
Wednesday
63°F - Partly Sunny
Chance Rain Showers
Wednesday Night
48°F - Chance Rain Showers

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:53 AM
Sunset: 7:05 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:43 PM
Moon Transit: 6:02 PM
Moonset: 10:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
5:32 PM - 8:02 PM

Minor Periods

9:50 PM - 11:20 PM
1:13 PM - 2:43 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: 6:42 AM
Sun Transit: 12:53 AM
Sunset: 7:05 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:43 PM
Moon Transit: 6:02 PM
Moonset: 10:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
5:32 PM - 8:02 PM

Minor Periods

9:50 PM - 11:20 PM
1:13 PM - 2:43 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: 6:42 AM
Sun Transit: 12:53 AM
Sunset: 7:05 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:43 PM
Moon Transit: 6:02 PM
Moonset: 10:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
5:32 PM - 8:02 PM

Minor Periods

9:50 PM - 11:20 PM
1:13 PM - 2:43 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: 6:43 AM
Sun Transit: 12:53 AM
Sunset: 7:03 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:39 PM
Moon Transit: 6:54 PM
Moonset: 11:10 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:04 AM - 10:34 AM
6:24 PM - 8:54 PM

Minor Periods

12:00 AM - 12:00 AM
2:09 PM - 3:39 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: 6:43 AM
Sun Transit: 12:53 AM
Sunset: 7:03 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:39 PM
Moon Transit: 6:54 PM
Moonset: 11:10 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:04 AM - 10:34 AM
6:24 PM - 8:54 PM

Minor Periods

12:00 AM - 12:00 AM
2:09 PM - 3:39 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: 6:44 AM
Sun Transit: 12:52 AM
Sunset: 7:01 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:26 PM
Moon Transit: 7:45 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

8:56 AM - 11:26 AM
7:15 PM - 9:45 PM

Minor Periods

2:56 PM - 4:26 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: 6:44 AM
Sun Transit: 12:52 AM
Sunset: 7:01 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:26 PM
Moon Transit: 7:45 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

8:56 AM - 11:26 AM
7:15 PM - 9:45 PM

Minor Periods

2:56 PM - 4:26 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: 6:45 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

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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