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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Unknown Precip Fog/Mist

32°F

0°C

Humidity 100%
Wind Speed N 8 mph
Barometer 29.93 in (1015.0 mb)
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill25°F (-4°C)
Last update 21 Mar 6:56 am EDT
Extended Forecast for

Jamestown NY

Dense Fog Advisory March 21, 07:40am until March 21, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 21, 07:40am until March 21, 11:00am

    NOW until 11:00am Sat

    Dense Fog Advisory

  • Today

    High: 53 °F

    Chance
    Drizzle and
    Dense Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Southeast wind 5 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 2pm. High near 61. Southwest wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 2am, then a chance of snow showers. Low around 29. North wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 37. Northwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of drizzle, mainly before 9am. Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 53. North wind 5 to 7 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 44. Southeast wind 5 to 8 mph.
Sunday
Rain, mainly after 2pm. High near 61. Southwest wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 2am, then a chance of snow showers. Low around 29. North wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 37. Northwest wind 8 to 10 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 47. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 40. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
Last Update:
6:52 am EDT Mar 21, 2026
Forecast Valid:
7am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation