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

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

Mostly Cloudy

77°F

25°C

Humidity 42%
Wind Speed SW 13 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 2:54 pm EDT
Extended Forecast for

Clarkson NY

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 77. Southwest wind around 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. West wind 3 to 7 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 57. Light and variable wind becoming southeast around 6 mph in the evening. Chance of precipitation is 30%.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Mostly sunny, with a high near 88. Southwest wind 7 to 13 mph. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 59. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 77. Southwest wind around 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 76. West wind 3 to 7 mph.
Sunday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 57. Light and variable wind becoming southeast around 6 mph in the evening. Chance of precipitation is 30%.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 88. Southwest wind 7 to 13 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 59. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 66.
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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:
2:22 pm EDT May 16, 2026
Forecast Valid:
3pm EDT May 16, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation