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

40°F

4°C

Humidity 68%
Wind Speed SW 10 mph
Barometer 30.04 in (1019.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Nov 12:56 pm EST
Extended Forecast for

Sugar Grove PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 44. Southwest wind around 7 mph.

    High: 44 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 31. Light south wind.

    Low: 31 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Rain and thunderstorms likely, mainly before 3pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 58. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 34. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain

  • Sunday

    Sunday: Snow showers, possibly mixed with rain, becoming all snow after 1pm. High near 39. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 44. Southwest wind around 7 mph.
Tonight
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 31. Light south wind.
Saturday
Rain and thunderstorms likely, mainly before 3pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 58. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain, mainly before 1am. Low around 34. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow showers, possibly mixed with rain, becoming all snow after 1pm. High near 39. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sugar Grove PA
 41.99°N 79.34°W (Elev. 1473 ft)
Last Update:
1:05 pm EST Nov 14, 2025
Forecast Valid:
1pm EST Nov 14, 2025-6pm EST Nov 20, 2025
 
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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