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

68°F

20°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 30.27 in (1024.7 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 17 Sep 8:56 am EDT
Extended Forecast for

3 Miles ENE Dewittville NY

  • Today

    Today: Showers likely, mainly before 2pm. Cloudy, with a high near 74. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. North wind 5 to 8 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

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

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. Southeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 11pm. Low around 57. Southeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. Southwest wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 50. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, mainly before 2pm. Cloudy, with a high near 74. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 71. North wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 50. Northeast wind 3 to 6 mph.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. Southeast wind around 6 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 57. Southeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. Southwest wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 50. 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 after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Dewittville NY
 42.25°N 79.36°W (Elev. 1411 ft)
Last Update:
9:28 am EDT Sep 17, 2026
Forecast Valid:
9am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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