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Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Rain

40°F

4°C

Humidity 86%
Wind Speed W 7 mph
Barometer 29.94 in (1015.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 30 Apr 9:56 pm EDT
Extended Forecast for

Mayville NY

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

  • Tonight

    Tonight: A slight chance of showers before 11pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Friday

    Friday: A chance of showers, mainly after 10am. Areas of frost before 8am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Areas of frost after midnight. Otherwise, partly cloudy, with a low around 33. West wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Light northwest wind increasing to 5 to 9 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. West wind around 6 mph.

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 42. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after 2pm. Partly sunny, with a high near 62. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers before 11pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. West wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 10am. Areas of frost before 8am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Areas of frost after midnight. Otherwise, partly cloudy, with a low around 33. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 49. Light northwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. West wind around 6 mph.
Sunday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
A chance of showers after 2am. Partly cloudy, with a low around 42. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Monday
Showers likely, mainly after 2pm. Partly sunny, with a high near 62. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
Showers. High near 61. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
9:57 pm EDT Apr 30, 2026
Forecast Valid:
10pm EDT Apr 30, 2026-6pm EDT May 7, 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