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

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy with Haze

66°F

19°C

Humidity NA
Wind Speed Calm
Barometer 30.34 in (1027.2 mb)
Dewpoint N/A
Visibility 6.00 mi
Last update 16 Sep 10:56 pm EDT
Extended Forecast for

Sherman NY

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 75. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 70. North wind 5 to 9 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Northeast wind around 6 mph becoming light and variable after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 56. Southeast wind around 9 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Cloudy, with a high near 69. Southwest wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 75. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 56. Light north wind.
Friday
Sunny, with a high near 70. North wind 5 to 9 mph.
Friday Night
Mostly cloudy, with a low around 50. Northeast wind around 6 mph becoming light and variable after midnight.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly after 8pm. Low around 56. Southeast wind around 9 mph. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 2pm. Cloudy, with a high near 69. Southwest wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Monday
A chance of showers after 8am. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman NY
 42.16°N 79.58°W (Elev. 1581 ft)
Last Update:
9:58 pm EDT Sep 16, 2026
Forecast Valid:
11pm EDT Sep 16, 2026-6pm EDT Sep 23, 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