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

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

43°F

6°C

Humidity 66%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 15 Oct 7:55 pm EDT
Extended Forecast for

Portville NY

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. North wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. South wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 56. North wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. South wind around 6 mph.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. South wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Showers. Low around 41. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 50%.
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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:
7:36 pm EDT Oct 15, 2025
Forecast Valid:
8pm EDT Oct 15, 2025-6pm EDT Oct 22, 2025
 
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