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.

Partly Cloudy

46°F

8°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.88 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 5 Nov 9:55 pm EST
Extended Forecast for

Portville NY

  • Tonight

    Tonight: Increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 61. Calm wind becoming southwest around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 7pm. Mostly cloudy, with a low around 34. Light west wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 51. West wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain showers before 4am, then a slight chance of rain and snow showers. Cloudy, with a low around 33. West wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Partly sunny, with a high near 55. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. West wind around 10 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 44. Calm wind.
Friday
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 61. Calm wind becoming southwest around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly after 7pm. Mostly cloudy, with a low around 34. Light west wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 51. West wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain showers before 4am, then a slight chance of rain and snow showers. Cloudy, with a low around 33. West wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 55. West wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 33. West wind around 10 mph.
Monday
Partly sunny, with a high near 55. West wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 30.
Veterans Day
Partly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 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:
9:57 pm EST Nov 5, 2026
Forecast Valid:
10pm EST Nov 5, 2026-6pm EST Nov 12, 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