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Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

61°F

16°C

Humidity 100%
Wind Speed N 8 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Jun 9:56 am EDT
Extended Forecast for

Sinclairville NY

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 75. Northwest wind 7 to 9 mph.

    High: 75 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. North wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. Southeast wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 90. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Southwest wind 8 to 10 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 75. Northwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 56. North wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 86. Southeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 62. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 90. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Southwest wind 8 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sinclairville NY
 42.27°N 79.27°W (Elev. 1371 ft)
Last Update:
9:57 am EDT Jun 7, 2026
Forecast Valid:
10am EDT Jun 7, 2026-6pm EDT Jun 13, 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