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.

Light Rain Fog

39°F

4°C

Humidity 100%
Wind Speed N 13 mph
Barometer 29.82 in (1011.3 mb)
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Wind Chill31°F (-1°C)
Last update 20 Mar 11:56 pm EDT
Extended Forecast for

3 Miles WNW Clymer NY

Dense Fog Advisory until March 21, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 21, 08:00am

    NOW until 8:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 32 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming north around 5 mph.

    High: 51 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Southwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow showers before 8am. Mostly cloudy, with a high near 37. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. North wind 5 to 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Southwest wind 3 to 8 mph.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 32. North wind 5 to 9 mph becoming light.
Saturday
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming north around 5 mph.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind becoming south 5 to 8 mph in the evening.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Southwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of snow showers before 8am. Mostly cloudy, with a high near 37. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 22. North wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 43. Southwest wind 3 to 8 mph.
Tuesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
A chance of snow showers before 8am. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Clymer NY
 42.06°N 79.74°W (Elev. 1608 ft)
Last Update:
9:58 pm EDT Mar 20, 2026
Forecast Valid:
12am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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