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

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Thunderstorm Rain in Vicinity

64°F

18°C

Humidity 78%
Wind Speed NW 5 mph
Barometer 29.92 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 5:55 pm EDT
Extended Forecast for

Portville NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 75. West wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am. Low around 60. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 78. Southwest wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 53. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Friday

    Friday: A slight chance of showers before 2pm. Partly sunny, with a high near 69. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely after 2pm. Partly sunny, with a high near 76. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 60%.

    High: 76 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 38. West wind around 8 mph. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of rain showers before 11am, then a chance of snow showers. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 75. West wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am. Low around 60. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 78. Southwest wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 53. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 2pm. Partly sunny, with a high near 69. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 50. Calm wind.
Saturday
Showers likely after 2pm. Partly sunny, with a high near 76. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 38. West wind around 8 mph. Chance of precipitation is 70%.
Sunday
A chance of rain showers before 11am, then a chance of snow showers. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.03°N 78.33°W (Elev. 1601 ft)
Last Update:
3:58 pm EDT Apr 15, 2026
Forecast Valid:
5pm EDT Apr 15, 2026-6pm EDT Apr 22, 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