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

27°F

-3°C

Humidity 72%
Wind Speed E 8 mph
Barometer 30.25 in (1027.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 14 Mar 11:56 pm EDT
Extended Forecast for

3 Miles WSW Sugar Grove PA

  • Overnight

    Overnight: Snow, mainly after 3am. Low around 25. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow

  • Sunday

    Sunday: A chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 55. South wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 55 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 44. Breezy, with a south wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 58. South wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 8pm. Mostly cloudy, with a low around 15. West wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 15 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Snow showers likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow, mainly after 3am. Low around 25. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 55. South wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 44. Breezy, with a south wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday
Showers, mainly after 8am. High near 58. South wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain and snow showers likely, becoming all snow after 8pm. Mostly cloudy, with a low around 15. West wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
A chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
Friday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 47.
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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:
10:11 pm EDT Mar 14, 2026
Forecast Valid:
12am EDT Mar 15, 2026-6pm EDT Mar 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