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.

Overcast

39°F

4°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 29.80 in (1010.2 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Wind Chill35°F (2°C)
Last update 30 Apr 2:56 am EDT
Extended Forecast for

Jamestown NY

Frost Advisory May 1, 12:00am until May 1, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Cloudy, with a low around 39. Northwest wind around 5 mph.

    Low: 39 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of showers between 8am and 9am. Mostly cloudy, with a high near 50. Northwest wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy frost after midnight. Otherwise, partly cloudy, with a low around 32. West wind 5 to 7 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Frost

  • Friday

    Friday: A chance of showers. Areas of frost before 8am. Otherwise, partly sunny, with a high near 52. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Frost

  • Saturday

    Saturday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers. Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 54. West wind 5 to 13 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 39. Northwest wind around 5 mph.
Thursday
A slight chance of showers between 8am and 9am. Mostly cloudy, with a high near 50. Northwest wind 6 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Patchy frost after midnight. Otherwise, partly cloudy, with a low around 32. West wind 5 to 7 mph becoming calm in the evening.
Friday
A chance of showers. Areas of frost before 8am. Otherwise, partly sunny, with a high near 52. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers. Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 54. West wind 5 to 13 mph.
Sunday Night
A chance of showers after 2am. Partly cloudy, with a low around 39. Chance of precipitation is 40%.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Tuesday
Showers likely. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
Last Update:
2:22 am EDT Apr 30, 2026
Forecast Valid:
3am EDT Apr 30, 2026-6pm EDT May 6, 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