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

54°F

12°C

Humidity 100%
Wind Speed S 12 G 20 mph
Barometer 30.05 in (1018.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 3 Apr 1:56 am EDT
Extended Forecast for

Mayville NY

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 57. Breezy, with a south wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers after 5am. Mostly cloudy, with a low around 45. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 37. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. West wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. West wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain and snow showers after 2pm. Partly sunny, with a high near 42. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 57. Breezy, with a south wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers after 5am. Mostly cloudy, with a low around 45. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 74. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 37. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Mostly cloudy, with a high near 44. West wind 13 to 17 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 31. West wind 9 to 13 mph, with gusts as high as 23 mph.
Monday
A chance of rain and snow showers after 2pm. Partly sunny, with a high near 42. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Tuesday
A chance of snow showers before 2pm. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
3:58 am EDT Apr 3, 2026
Forecast Valid:
4am EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation