National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

64°F

18°C

Humidity 78%
Wind Speed NE 5 mph
Barometer 30.20 in (1022.3 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 3 Aug 11:56 pm EDT
Extended Forecast for

Sherman NY

  • Overnight

    Overnight: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Southeast wind 3 to 6 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming light and variable.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Southeast wind 5 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Southeast wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Southeast wind around 7 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 54. Calm wind.
Monday
Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 82. Southeast wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 60. Southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 81. Southeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sherman NY
 42.16°N 79.61°W (Elev. 1585 ft)
Last Update:
10:36 pm EDT Aug 3, 2025
Forecast Valid:
12am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
 
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