Water Temperature of the Mongaup River in Glen Spey, NY

Current Water Temperature

70.0°F

Measurement Time: Monday, September 14, 2026, 2:15 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

56°F
Sunny
Sunny
93%
NW 9 mph
54°F

Weather Forecast

Sunny
Today
68°F - Sunny
Clear then Patchy Fog
Tonight
44°F - Clear then Patchy Fog
Patchy Fog then Sunny
Tuesday
71°F - Patchy Fog then Sunny
Mostly Clear then Patchy Fog
Tuesday Night
50°F - Mostly Clear then Patchy Fog
Patchy Fog then Mostly Sunny
Wednesday
79°F - Patchy Fog then Mostly Sunny
Partly Cloudy
Wednesday Night
59°F - Partly Cloudy
Partly Sunny then Slight Chance Rain Showers
Thursday
80°F - Partly Sunny then Slight Chance Rain Showers
Chance Rain Showers
Thursday Night
62°F - Chance Rain Showers
Mostly Sunny
Friday
77°F - Mostly Sunny
Partly Cloudy
Friday Night
54°F - Partly Cloudy
Mostly Sunny then Chance Rain Showers
Saturday
74°F - Mostly Sunny then Chance Rain Showers
Chance Rain Showers
Saturday Night
55°F - Chance Rain Showers
Chance Rain Showers
Sunday
71°F - Chance Rain Showers
Chance Rain Showers
Sunday Night
50°F - Chance Rain Showers

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:54 AM
Sunset: 7:10 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:30 AM
Moon Transit: 3:34 PM
Moonset: 8:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
3:04 PM - 5:34 PM

Minor Periods

8:02 PM - 9:32 PM
10:00 AM - 11:30 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: 6:39 AM
Sun Transit: 12:54 AM
Sunset: 7:10 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:30 AM
Moon Transit: 3:34 PM
Moonset: 8:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
3:04 PM - 5:34 PM

Minor Periods

8:02 PM - 9:32 PM
10:00 AM - 11:30 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: 6:39 AM
Sun Transit: 12:54 AM
Sunset: 7:10 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:30 AM
Moon Transit: 3:34 PM
Moonset: 8:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
3:04 PM - 5:34 PM

Minor Periods

8:02 PM - 9:32 PM
10:00 AM - 11:30 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: 6:40 AM
Sun Transit: 12:54 AM
Sunset: 7:08 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:37 AM
Moon Transit: 4:22 PM
Moonset: 9:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
3:52 PM - 6:22 PM

Minor Periods

8:31 PM - 10:01 PM
11:07 AM - 12:37 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: 6:40 AM
Sun Transit: 12:54 AM
Sunset: 7:08 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:37 AM
Moon Transit: 4:22 PM
Moonset: 9:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
3:52 PM - 6:22 PM

Minor Periods

8:31 PM - 10:01 PM
11:07 AM - 12:37 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: 6:41 AM
Sun Transit: 12:53 AM
Sunset: 7:06 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:42 AM
Moon Transit: 5:11 PM
Moonset: 9:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
4:41 PM - 7:11 PM

Minor Periods

9:07 PM - 10:37 PM
12:12 AM - 1:42 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: 6:41 AM
Sun Transit: 12:53 AM
Sunset: 7:06 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:42 AM
Moon Transit: 5:11 PM
Moonset: 9:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
4:41 PM - 7:11 PM

Minor Periods

9:07 PM - 10:37 PM
12:12 AM - 1:42 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: 6:42 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

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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