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.

Fog

66°F

19°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.26 in (1024.2 mb)
Dewpoint 66°F (19°C)
Visibility 0.25 mi
Last update 17 Sep 6:56 am EDT
Extended Forecast for

2 Miles NW Sugar Grove PA

  • Today

    Today: Showers and possibly a thunderstorm before 8am, then a chance of showers. Patchy fog before 9am. High near 77. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Tonight

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

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. North wind 5 to 7 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. North wind 3 to 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 11pm. Low around 58. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 69. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 51. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 8am, then a chance of showers. Patchy fog before 9am. High near 77. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 56. Light north wind.
Friday
Mostly sunny, with a high near 72. North wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 50. North wind 3 to 6 mph.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, with thunderstorms also possible after 11pm. Low around 58. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 69. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 51. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 66.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Sugar Grove PA
 42.01°N 79.37°W (Elev. 1699 ft)
Last Update:
3:57 am EDT Sep 17, 2026
Forecast Valid:
7am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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