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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

66°F

19°C

Humidity 90%
Wind Speed E 3 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 6:56 pm EDT
Extended Forecast for

Sherman NY

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 58. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 72. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 48. West wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 62. Northwest wind around 6 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Calm wind becoming southeast around 6 mph after midnight.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 71. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 36. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of rain and snow showers before 8am, then a chance of snow showers. Partly sunny, with a high near 44. West wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A chance of snow showers before 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 58. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 72. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 48. West wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 62. Northwest wind around 6 mph.
Friday Night
Partly cloudy, with a low around 51. Calm wind becoming southeast around 6 mph after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 71. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 36. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Sunday
A chance of rain and snow showers before 8am, then a chance of snow showers. Partly sunny, with a high near 44. West wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman NY
 42.16°N 79.61°W (Elev. 1585 ft)
Last Update:
3:58 pm EDT Apr 15, 2026
Forecast Valid:
7pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
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