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

Jamestown NYSimilar City Names

  • Overnight

    Overnight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the morning.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Southeast wind 3 to 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Southeast wind 5 to 7 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 52. Calm wind.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60. Southeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 83. Southeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NYSimilar City Names
 42.09°N 79.24°W (Elev. 1430 ft)
Last Update:
10:36 pm EDT Aug 3, 2025
Forecast Valid:
12am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
 
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