Water Temperature of the Mongaup River in Glen Spey, NY
Current Water Temperature
Measurement Time: Wednesday, February 18, 2026, 8:15 AM EST
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

Wed
H: 48°F
L: 32°F

Thu
H: 36°F
L: 25°F

Fri
H: 34°F
L: 30°F

Sat
H: 40°F
L: 27°F

Sun
H: 34°F
L: 24°F
Air Quality
Nitrogen Dioxide: 55.95 μg/m3
Sulphur Dioxide: 10.55 μg/m3
Ozone: 18 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:36 PM
Daylight: 10 hrs 46 mins
Moon Transit: 1:10 PM
Moonset: 7:08 PM
Moon Phase: New
Moon Illumination: 1.3%
Best Times for Fishing or Hunting
Major Periods
2:23 AM - 4:53 AM12:40 AM - 3:10 PM
Minor Periods
6:38 PM - 8:08 PM6:54 AM - 8:24 AM
Action Rating: 4 out of 5
Dense Fog Advisory issued February 18 at 7:19AM EST until February 18 at 10:00AM EST by NWS Mount Holly NJ
Effective: Wed February 18, 2026, 7:19 AM
Expires: Wed February 18, 2026, 10:00 AM
* WHAT...Visibility one quarter mile or less in dense fog. Patchy ice. * WHERE...Portions of northern Delaware, northeast Maryland, central, northern, northwest, and southern New Jersey, and east central, northeast, and southeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Patchy freezing fog could result in icy roads.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Air Quality Alert issued February 18 at 9:00AM EST by NWS Mount Holly NJ
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed February 18, 2026, 9:00 AM
Expires: Thu February 19, 2026, 9:00 AM
The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Fine Particulates, until midnight EST tonight. An Air Quality Advisory means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.state.nj.us/dep/airmon/ or call the New Jersey Bureau of Air Monitoring at 609-292-0138
Special Weather Statement issued February 17 at 11:11PM EST by NWS Upton NY
Effective: Tue February 17, 2026, 11:11 PM
Expires: Wed February 18, 2026, 10:00 AM
Surface temperatures were at or below freezing across much of the area, and will remain below freezing through the overnight and into early Wednesday morning. With widespread dense fog expected moisture will freeze on the cold surfaces resulting in black ice. Motorists are urged to slow down and travel with caution into Wednesday morning.
Dense Fog Advisory issued February 18 at 1:31AM EST until February 18 at 10:00AM EST by NWS Upton NY
Effective: Wed February 18, 2026, 1:31 AM
Expires: Wed February 18, 2026, 10:00 AM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut, northeastern New Jersey, and southeastern New York. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Air Quality Alert issued February 18 at 8:58AM EST by NWS Upton NY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed February 18, 2026, 8:58 AM
Expires: Wed February 18, 2026, 11:00 PM
The New Jersey Department of Environmental Protection has issued an Air Quality Action Day for the following counties: Bergen, Passaic, Hudson, Essex, Union until midnight EST tonight. An Air Quality Action Day means that Fine Particulates within the region may approach or exceed unhealthy standards. For additional information, please visit the New Jersey Department of Environmental Protection Web site at https://dep.nj.gov/airmon
Weather Forecast
Air Quality
Nitrogen Dioxide: 31.69 μg/m3
Sulphur Dioxide: 9.9 μg/m3
Ozone: 38.24 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:36 PM
Daylight: 10 hrs 46 mins
Moon Transit: 1:10 PM
Moonset: 7:08 PM
Moon Phase: New
Moon Illumination: 1.3%
Best Times for Fishing or Hunting
Major Periods
2:23 AM - 4:53 AM12:40 AM - 3:10 PM
Minor Periods
6:38 PM - 8:08 PM6:54 AM - 8:24 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 35.46 μg/m3
Sulphur Dioxide: 5.88 μg/m3
Ozone: 38.48 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:38 PM
Daylight: 10 hrs 49 mins
Moon Transit: 1:55 PM
Moonset: 8:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%
Best Times for Fishing or Hunting
Major Periods
3:08 AM - 5:38 AM1:25 PM - 3:55 PM
Minor Periods
7:49 PM - 9:19 PM7:15 AM - 8:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 31.67 μg/m3
Sulphur Dioxide: 5.39 μg/m3
Ozone: 45.44 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:39 PM
Daylight: 10 hrs 52 mins
Moon Transit: 2:42 PM
Moonset: 9:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
3:54 AM - 6:24 AM2:12 PM - 4:42 PM
Minor Periods
9:00 PM - 10:30 PM7:37 AM - 9:07 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.85 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 61.04 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:40 PM
Daylight: 10 hrs 54 mins
Moon Transit: 3:31 PM
Moonset: 10:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%
Best Times for Fishing or Hunting
Major Periods
4:42 AM - 7:12 AM3:01 PM - 5:31 PM
Minor Periods
10:15 PM - 11:45 PM8:01 AM - 9:31 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 39.93 μg/m3
Sulphur Dioxide: 4.86 μg/m3
Ozone: 28.62 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:41 PM
Daylight: 10 hrs 57 mins
Moon Transit: 4:23 PM
Moonset: 12:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%
Best Times for Fishing or Hunting
Major Periods
5:33 AM - 8:03 AM3:53 PM - 6:23 PM
Minor Periods
12:00 AM - 12:00 AM8:29 AM - 9:59 AM
Action Rating: 2 out of 5
