Water Temperature of the Mongaup River in Glen Spey, NY
Current Water Temperature
Measurement Time: Monday, May 4, 2026, 7:15 PM EDT
Temperature Locations
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Local Points of Interest
Lumberland, NYStation 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

Five Day Weather Forecast

Tue
H: 77°F
L: 53°F

Wed
H: 60°F
L: 47°F

Thu
H: 63°F
L: 42°F

Fri
H: 60°F
L: 36°F

Sat
H: 58°F
L: 41°F
Air Quality
Nitrogen Dioxide: 7.35 μg/m3
Sulphur Dioxide: 4.45 μg/m3
Ozone: 86 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:01 PM
Daylight: 14 hrs 10 mins
Moon Transit: 3:40 AM
Moonset: 7:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:10 AM - 5:40 AM5:42 PM - 8:12 PM
Minor Periods
7:26 AM - 8:56 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Red Flag Warning issued May 4 at 1:47PM EDT until May 5 at 7:00PM EDT by NWS Albany NY
Effective: Mon May 4, 2026, 1:47 PM
Expires: Tue May 5, 2026, 8:00 AM
* Affected Area...Portions of the Hudson Valley FDRA including the following counties: eastern Montgomery, Schenectady, extreme northeastern Schoharie, Albany, Rensselaer, eastern Greene, Columbia, eastern Ulster, Dutchess, and much of Sullivan County. * Timing...From noon to 7 PM Tuesday, with the lowest RH and strongest wind gusts during the mid to late afternoon. * Winds...Southwest at 15 to 20 mph with gusts up to 35 to 40 mph. * Relative Humidity...As low as 25 to 30 percent. * Temperatures...In the upper 70s to low 80s. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Special Weather Statement issued May 4 at 1:39PM EDT by NWS Binghamton NY
Effective: Mon May 4, 2026, 1:39 PM
Expires: Tue May 5, 2026, 5:00 AM
The combination of drying fine fuels, southwest wind gusts as high as 25 to 35 mph, and relative humidity values as low as 30 to 40 percent will lead to an elevated risk of fire spread Tuesday across Delaware and Sullivan Counties, mainly during the afternoon hours. As a reminder, the annual statewide burn ban remains in effect until May 14. No burn permits are issued. Use extra caution if handling any potential ignition sources such as machinery or matches and ensure to properly extinguish or dispose of cigarette butts. Please refer to the New York State Department of Environmental Conservation website for more information on burn restrictions.
Special Weather Statement issued May 3 at 10:02PM EDT by NWS Upton NY
Effective: Sun May 3, 2026, 10:02 PM
Expires: Mon May 4, 2026, 10:00 PM
Late Monday morning into early Monday evening, the combination of drying fine fuels, southwest wind gusts between 25 and 30 mph, and relative humidity values between 25 and 35 percent will contribute to an elevated risk of fire spread for the Lower Hudson Valley, New York City and northern and western portions of Long Island. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials. As a reminder, the annual statewide burn ban remains in effect until May 14. No burn permits are issued. Use extra caution if handling any potential ignition sources such as machinery or matches and ensure to properly extinguish or dispose of cigarette butts. Please refer to the New York State Department of Environmental Conservation website for more information on burn restrictions.
Special Weather Statement issued May 4 at 2:06PM EDT by NWS Upton NY
Effective: Mon May 4, 2026, 2:06 PM
Expires: Tue May 5, 2026, 8:00 PM
Through this evening, the combination of available fine fuels, northwest wind gusts between 25 and 35 mph, and relative humidity values between 20 and 30 percent will contribute to an elevated risk of fire spread for the Lower Hudson Valley, New York City and Long Island. Late Tuesday morning into early Tuesday evening, the combination of available fine fuels, southwest wind gusts between 25 and 30 mph, and relative humidity values between 25 and 35 percent will contribute to an elevated risk of fire spread for the Lower Hudson Valley and New York City. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials. As a reminder, the annual statewide burn ban remains in effect until May 14. No burn permits are issued. Use extra caution if handling any potential ignition sources such as machinery or matches and ensure to properly extinguish or dispose of cigarette butts. Please refer to the New York State Department of Environmental Conservation website for more information on burn restrictions.
Special Weather Statement issued May 4 at 7:30PM EDT by NWS Albany NY
Effective: Mon May 4, 2026, 7:30 PM
Expires: Tue May 5, 2026, 7:00 PM
The combination of drying fine fuels, southwest wind gusts as high as 25 to 35 mph, and relative humidity values as low as 30 percent will lead to an elevated risk of fire spread on Tuesday for eastern Catskills, mainly during the afternoon hours. As a reminder, the annual statewide burn ban remains in effect until May 14. No burn permits are issued. Use extra caution if handling any potential ignition sources such as machinery or matches and ensure to properly extinguish or dispose of cigarette butts. Please refer to the New York State Department of Environmental Conservation website for more information on burn restrictions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 4.17 μg/m3
Ozone: 108.04 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:01 PM
Daylight: 14 hrs 10 mins
Moon Transit: 3:40 AM
Moonset: 7:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:10 AM - 5:40 AM5:42 PM - 8:12 PM
Minor Periods
7:26 AM - 8:56 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.48 μg/m3
Sulphur Dioxide: 3.8 μg/m3
Ozone: 100.2 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:02 PM
Daylight: 14 hrs 13 mins
Moon Transit: 4:32 AM
Moonset: 8:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
4:02 AM - 6:32 AM6:33 PM - 9:03 PM
Minor Periods
8:21 AM - 9:51 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 72.32 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:03 PM
Daylight: 14 hrs 15 mins
Moon Transit: 5:22 AM
Moonset: 9:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:52 AM - 7:22 AM7:23 PM - 9:53 PM
Minor Periods
9:22 AM - 10:52 AM12:28 AM - 1:58 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 69.77 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:04 PM
Daylight: 14 hrs 17 mins
Moon Transit: 6:11 AM
Moonset: 10:56 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM8:10 PM - 10:40 PM
Minor Periods
10:26 AM - 11:56 AM1:02 AM - 2:32 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:05 PM
Daylight: 14 hrs 19 mins
Moon Transit: 6:57 AM
Moonset: 12:02 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
6:27 AM - 8:57 AM8:56 PM - 11:26 PM
Minor Periods
11:32 AM - 1:02 PM1:32 AM - 3:02 AM
Action Rating: 2 out of 5
