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

74°F

23°C

Humidity 88%
Wind Speed E 5 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 Jul 11:56 am EDT
Extended Forecast for

2 Miles NW Sinclairville NY

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. North wind around 7 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. South wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 65. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 80. Southwest wind 6 to 9 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. North wind around 7 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. South wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 65. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 80. Southwest wind 6 to 9 mph. Chance of precipitation is 80%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Sinclairville NY
 42.29°N 79.29°W (Elev. 1362 ft)
Last Update:
9:57 am EDT Jul 7, 2026
Forecast Valid:
12pm EDT Jul 7, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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