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.

Overcast

43°F

6°C

Humidity 100%
Wind Speed N 8 mph
Barometer 29.97 in (1016.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 15 May 4:56 am EDT
Extended Forecast for

3 Miles WSW Sugar Grove PA

  • Today

    Today: Increasing clouds, with a high near 63. Northwest wind 3 to 7 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Scattered sprinkles before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. Calm wind becoming south around 6 mph after midnight.

    Low: 45 °F

    Scattered
    Sprinkles

  • Saturday

    Saturday: A slight chance of showers before 1pm, then a slight chance of thunderstorms after 4pm. Increasing clouds, with a high near 76. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 63. Northwest wind 3 to 7 mph.
Tonight
Scattered sprinkles before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. Calm wind becoming south around 6 mph after midnight.
Saturday
A slight chance of showers before 1pm, then a slight chance of thunderstorms after 4pm. Increasing clouds, with a high near 76. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Sugar Grove PA
 41.97°N 79.4°W (Elev. 1706 ft)
Last Update:
2:39 am EDT May 15, 2026
Forecast Valid:
5am EDT May 15, 2026-6pm EDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation