Water Temperature of the Mongaup River in Glen Spey, NY
Current Water Temperature
53.8°F
Measurement Time: Wednesday, May 13, 2026, 10:15 PM EDT
Temperature Locations
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Local Points of Interest
Lumberland, NYMongaup 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
54°F

Light rain
52.8°F
53.2°F
86%
S 5.1 mph
6.9 mph
52.8°F
50.2°F
0 in
100%
6 mi
1008 mbar
0
Five Day Weather Forecast

Thu
H: 62°F
L: 48°F

Fri
H: 59°F
L: 43°F

Sat
H: 75°F
L: 41°F

Sun
H: 76°F
L: 53°F

Mon
H: 78°F
L: 54°F
Air Quality
AQI:
1 - Good
PM2.5:
4.95 μg/m3
PM10:
5.65 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 59 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 59 μg/m3
Astronomical
Sunrise: 5:41 AM
Sun Transit: 12:55 AM
Sunset: 8:11 PM
Daylight: 14 hrs 30 mins
Sun Transit: 12:55 AM
Sunset: 8:11 PM
Daylight: 14 hrs 30 mins
Moonrise: 3:58 AM
Moon Transit: 10:48 AM
Moonset: 5:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Moon Transit: 10:48 AM
Moonset: 5:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:18 AM - 12:48 AM
Minor Periods
5:24 PM - 6:54 PM3:28 AM - 4:58 AM
Action Rating: 2 out of 5
Thursday, May 14, 2026
Weather Forecast
Patchy rain nearby
61.7°F
47.8°F
54.2°F
75%
0.03 in
85%
0%
10.3 mph
4.1
Air Quality
AQI:
1 - Good
PM2.5:
5.12 μg/m3
PM10:
5.91 μg/m3
Carbon Monoxide: 155.21 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 82.24 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 82.24 μg/m3
Astronomical
Sunrise: 5:41 AM
Sun Transit: 12:55 AM
Sunset: 8:11 PM
Daylight: 14 hrs 30 mins
Sun Transit: 12:55 AM
Sunset: 8:11 PM
Daylight: 14 hrs 30 mins
Moonrise: 3:58 AM
Moon Transit: 10:48 AM
Moonset: 5:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Moon Transit: 10:48 AM
Moonset: 5:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:18 AM - 12:48 AM
Minor Periods
5:24 PM - 6:54 PM3:28 AM - 4:58 AM
Action Rating: 2 out of 5
Friday, May 15, 2026
Weather Forecast
Overcast
59°F
42.8°F
50.6°F
79%
0 in
0%
0%
12.1 mph
0.4
Air Quality
AQI:
1 - Good
PM2.5:
2.18 μg/m3
PM10:
2.19 μg/m3
Carbon Monoxide: 154.05 μg/m3
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 61.84 μg/m3
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 61.84 μg/m3
Astronomical
Sunrise: 5:40 AM
Sun Transit: 12:55 AM
Sunset: 8:12 PM
Daylight: 14 hrs 32 mins
Sun Transit: 12:55 AM
Sunset: 8:12 PM
Daylight: 14 hrs 32 mins
Moonrise: 4:26 AM
Moon Transit: 11:42 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.1%
Moon Transit: 11:42 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:51 AM - 3:21 AM11:12 AM - 1:42 PM
Minor Periods
6:45 PM - 8:15 PM3:56 AM - 5:26 AM
Action Rating: 5 out of 5
Saturday, May 16, 2026
Weather Forecast
Partly Cloudy
74.6°F
40.8°F
58.1°F
74%
0 in
0%
0%
11.4 mph
4
Air Quality
AQI:
1 - Good
PM2.5:
4.85 μg/m3
PM10:
5.29 μg/m3
Carbon Monoxide: 183.68 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 83.2 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 83.2 μg/m3
Astronomical
Sunrise: 5:39 AM
Sun Transit: 12:55 AM
Sunset: 8:13 PM
Daylight: 14 hrs 34 mins
Sun Transit: 12:55 AM
Sunset: 8:13 PM
Daylight: 14 hrs 34 mins
Moonrise: 5:00 AM
Moon Transit: 12:42 AM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 2.0%
Moon Transit: 12:42 AM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
1:48 AM - 4:18 AM12:12 AM - 2:42 PM
Minor Periods
8:07 PM - 9:37 PM4:30 AM - 6:00 AM
Action Rating: 5 out of 5
Sunday, May 17, 2026
Weather Forecast
Patchy rain nearby
76°F
53.1°F
62.8°F
90%
0.13 in
87%
0%
5.6 mph
4
Air Quality
AQI:
1 - Good
PM2.5:
5.66 μg/m3
PM10:
6.09 μg/m3
Carbon Monoxide: 173.18 μg/m3
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 94.28 μg/m3
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 94.28 μg/m3
Astronomical
Sunrise: 5:38 AM
Sun Transit: 12:55 AM
Sunset: 8:14 PM
Daylight: 14 hrs 36 mins
Sun Transit: 12:55 AM
Sunset: 8:14 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:44 AM
Moon Transit: 1:46 PM
Moonset: 9:57 PM
Moon Phase: New
Moon Illumination: 0.2%
Moon Transit: 1:46 PM
Moonset: 9:57 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
2:51 AM - 5:21 AM1:16 PM - 3:46 PM
Minor Periods
9:27 PM - 10:57 PM5:14 AM - 6:44 AM
Action Rating: 5 out of 5
Monday, May 18, 2026
Weather Forecast
Partly Cloudy
78.1°F
54°F
64°F
83%
0 in
0%
0%
8.7 mph
5
Air Quality
AQI:
1 - Good
PM2.5:
5.2 μg/m3
PM10:
5.41 μg/m3
Carbon Monoxide: 167.16 μg/m3
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 68.46 μg/m3
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 68.46 μg/m3
Astronomical
Sunrise: 5:37 AM
Sun Transit: 12:55 AM
Sunset: 8:15 PM
Daylight: 14 hrs 38 mins
Sun Transit: 12:55 AM
Sunset: 8:15 PM
Daylight: 14 hrs 38 mins
Moonrise: 6:41 AM
Moon Transit: 2:53 PM
Moonset: 11:06 PM
Moon Phase: New
Moon Illumination: 2.6%
Moon Transit: 2:53 PM
Moonset: 11:06 PM
Moon Phase: New
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
3:57 AM - 6:27 AM2:23 PM - 4:53 PM
Minor Periods
12:00 AM - 12:00 AM6:11 AM - 7:41 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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