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.

Overcast

32°F

0°C

Humidity 87%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 10 Jan 3:15 am EST
Extended Forecast for

Portville NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 4pm. High near 41. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Mostly Cloudy
    then Rain

  • Saturday Night

    Saturday Night: Rain before 10pm, then a chance of showers between 10pm and 1am. Low around 27. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 27 °F

    Rain then
    Slight Chance
    Showers

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Areas of blowing snow after 3pm. Mostly cloudy, with a high near 30. West wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Showers
    Likely and
    Areas Blowing
    Snow

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Areas of blowing snow before 7pm. Mostly cloudy, with a low around 22. West wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow
    Showers and
    Areas Blowing
    Snow

  • Monday

    Monday: Partly sunny, with a high near 34. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. West wind around 7 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. South wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.
Saturday
Rain, mainly after 4pm. High near 41. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain before 10pm, then a chance of showers between 10pm and 1am. Low around 27. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow showers likely, mainly after 1pm. Areas of blowing snow after 3pm. Mostly cloudy, with a high near 30. West wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow showers before 1am. Areas of blowing snow before 7pm. Mostly cloudy, with a low around 22. West wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 34. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 26. West wind around 7 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 40. South wind 6 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Wednesday
A chance of rain showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 12.
Friday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.01°N 78.33°W (Elev. 1532 ft)
Last Update:
2:50 am EST Jan 10, 2026
Forecast Valid:
3am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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