Water Temperature of the Casselman River in Markleton, PA
Current Water Temperature
Measurement Time: Wednesday, June 25, 2025, 12:30 AM EDT
Temperature Locations
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Station Name: Casselman River at Markleton, PA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 1,673 feet / 510 meters
Nearest Address:
1098 Markleton School Rd
Markleton, PA 15551
Somerset County
GPS Coordinates: 39.85991667, -79.2288333
Nearby Water Temperatures
Youghiogheny River, Confluence, PA (7.9 mi)Youghiogheny River, Confluence, PA (8.1 mi)
Youghiogheny River, Confluence, PA (8.4 mi)
Youghiogheny River, Friendsville, MD (17.1 mi)
Savage River, Barton, MD (21.1 mi)
Deep Creek Lake, Thayerville, MD (24.4 mi)
Savage River, Bloomington, MD (25.3 mi)
North Branch Potomac River, Barnum, WV (29.3 mi)
Cheat River, Albright, WV (33.5 mi)
Monongahela River, Point Marion, PA (37.4 mi)
Youghiogheny River, Sutersville, PA (40.3 mi)
South Branch Potomac River, Springfield, WV (41.8 mi)
Monongahela River, Morgantown, WV (42.7 mi)
Monongahela River, Elizabeth, PA (45.1 mi)
Monongahela River, Braddock, PA (49.5 mi)
Weather for Markleton, Pennsylvania
Current Weather

Humidity: 94%
Feels Like: 78.2°F
Wind: SSW 2.2 mph
Wind Gusts: 3.8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 87°F
L: 71°F

Thu
H: 86°F
L: 65°F

Fri
H: 85°F
L: 67°F

Sat
H: 84°F
L: 63°F

Sun
H: 84°F
L: 61°F
Air Quality
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 14.06 μg/m3
Ozone: 94 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 8:50 PM
Daylight: 15 hrs mins
Moon Transit: 1:38 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
2:06 AM - 4:36 AM1:08 PM - 3:38 PM
Minor Periods
9:10 PM - 10:40 PM5:01 AM - 6:31 AM
Action Rating: 4 out of 5
Heat Advisory issued June 24 at 6:17PM EDT until June 25 at 8:00PM EDT by NWS Pittsburgh PA
Effective: Tue June 24, 2025, 6:17 PM
Expires: Wed June 25, 2025, 2:30 AM
* WHAT...Heat index values around 100. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Extreme Heat Warning issued June 24 at 6:17PM EDT until June 25 at 8:00PM EDT by NWS Pittsburgh PA
Effective: Tue June 24, 2025, 6:17 PM
Expires: Wed June 25, 2025, 2:30 AM
* WHAT...Dangerously hot conditions with heat index values around 105. * WHERE...Beaver, Fayette, Washington, Allegheny, Butler, and Westmoreland Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.
Extreme Heat Warning issued June 25 at 1:18AM EDT until June 25 at 5:00PM EDT by NWS Pittsburgh PA
Effective: Wed June 25, 2025, 1:18 AM
Expires: Wed June 25, 2025, 9:30 AM
* WHAT...Dangerously hot conditions with heat index values from 100 to 105. * WHERE...Beaver, Fayette, Washington, Allegheny, Butler, and Westmoreland Counties. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.
Heat Advisory issued June 24 at 5:23PM EDT until June 24 at 9:00PM EDT by NWS Baltimore MD/Washington DC
Effective: Tue June 24, 2025, 5:23 PM
Expires: Wed June 25, 2025, 1:30 AM
* WHAT...For the first Heat Advisory, heat index values up to 104. For the second Heat Advisory, heat index values up to 102 expected. * WHERE...In Maryland, Central and Eastern Allegany County. In Virginia, Rockingham County. In West Virginia, Eastern Grant, Eastern Mineral, Eastern Pendleton, Hampshire, Hardy, and Morgan Counties. * WHEN...For the first Heat Advisory, until 9 PM EDT this evening. For the second Heat Advisory, from 11 AM to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued June 24 at 5:23PM EDT until June 25 at 9:00PM EDT by NWS Baltimore MD/Washington DC
Effective: Tue June 24, 2025, 5:23 PM
Expires: Wed June 25, 2025, 1:30 AM
* WHAT...For the first Heat Advisory, heat index values up to 104. For the second Heat Advisory, heat index values up to 102 expected. * WHERE...In Maryland, Central and Eastern Allegany County. In Virginia, Rockingham County. In West Virginia, Eastern Grant, Eastern Mineral, Eastern Pendleton, Hampshire, Hardy, and Morgan Counties. * WHEN...For the first Heat Advisory, until 9 PM EDT this evening. For the second Heat Advisory, from 11 AM to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Average Temperature: 78.6°F
Average Humidity: 81%
Wind: 9.4 mph
UV Index: 2.9
Air Quality
Nitrogen Dioxide: 11 μg/m3
Sulphur Dioxide: 14.02 μg/m3
Ozone: 108.72 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 8:50 PM
Daylight: 15 hrs mins
Moon Transit: 1:38 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
2:06 AM - 4:36 AM1:08 PM - 3:38 PM
Minor Periods
9:10 PM - 10:40 PM5:01 AM - 6:31 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 74.5°F
Average Humidity: 84%
Wind: 7.2 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 12.41 μg/m3
Sulphur Dioxide: 7.17 μg/m3
Ozone: 95.84 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 8:50 PM
Daylight: 14 hrs 59 mins
Moon Transit: 2:40 PM
Moonset: 10:28 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
3:09 AM - 5:39 AM2:10 PM - 4:40 PM
Minor Periods
9:58 PM - 11:28 PM6:13 AM - 7:43 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 76.1°F
Average Humidity: 78%
Wind: 6 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 11.34 μg/m3
Sulphur Dioxide: 9.81 μg/m3
Ozone: 100.76 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:50 PM
Daylight: 14 hrs 59 mins
Moon Transit: 3:36 PM
Moonset: 11:04 PM
Moon Phase: New
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
4:08 AM - 6:38 AM3:06 PM - 5:36 PM
Minor Periods
12:00 AM - 12:00 AM7:28 AM - 8:58 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 72.7°F
Average Humidity: 86%
Wind: 11.2 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 10.23 μg/m3
Sulphur Dioxide: 13.42 μg/m3
Ozone: 77 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:50 PM
Daylight: 14 hrs 59 mins
Moon Transit: 4:27 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
5:02 AM - 7:32 AM3:57 PM - 6:27 PM
Minor Periods
8:40 AM - 10:10 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 69.9°F
Average Humidity: 82%
Wind: 5.1 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:50 PM
Daylight: 14 hrs 58 mins
Moon Transit: 5:13 PM
Moonset: 12:32 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%
Best Times for Fishing or Hunting
Major Periods
5:50 AM - 8:20 AM4:43 PM - 7:13 PM
Minor Periods
9:49 AM - 11:19 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5