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

60°F

16°C

Humidity 80%
Wind Speed W 10 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Jun 9:56 pm EDT
Extended Forecast for

Sugar Grove PA

  • Tonight

    Tonight: Partly cloudy, with a low around 51. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. West wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West wind 3 to 8 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 70. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. West wind 7 to 10 mph, with gusts as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 71. West wind 8 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 52. West wind 3 to 8 mph.
Saturday
A slight chance of showers after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 70. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Showers likely after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sugar Grove PA
 41.99°N 79.34°W (Elev. 1473 ft)
Last Update:
8:55 pm EDT Jun 18, 2026
Forecast Valid:
10pm EDT Jun 18, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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