National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

A Few Clouds

72°F

22°C

Humidity 44%
Wind Speed Calm
Barometer 30.22 in (1023.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 2 Aug 7:54 pm EDT
Extended Forecast for

Clarkson NY

  • Tonight

    Tonight: Mostly clear, with a low around 58. Southwest wind 3 to 7 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Southwest wind around 8 mph becoming northwest in the afternoon.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Southwest wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. West wind around 6 mph becoming north in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southeast wind 5 to 9 mph becoming east in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Southeast wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. East wind 6 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Southwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 85. Southwest wind around 8 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 62. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 86. West wind around 6 mph becoming north in the afternoon.
Monday Night
Mostly clear, with a low around 63. Light and variable wind.
Tuesday
Mostly sunny, with a high near 88. Southeast wind 5 to 9 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 66. Southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 87. East wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny and hot, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkson NY
 43.2°N 77.95°W (Elev. 614 ft)
Last Update:
7:36 pm EDT Aug 2, 2025
Forecast Valid:
8pm EDT Aug 2, 2025-6pm EDT Aug 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation