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

59°F

15°C

Humidity 72%
Wind Speed S 14 G 20 mph
Barometer 30.10 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Oct 2:15 pm EDT
Extended Forecast for

Portville NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. South wind 7 to 9 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. Calm wind becoming northwest around 5 mph after midnight.

    Low: 44 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 58. Northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Northwest wind around 6 mph becoming calm after midnight.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light west wind.

    High: 59 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Southwest wind 3 to 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. South wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 44. Calm wind becoming northwest around 5 mph after midnight.
Monday
Mostly sunny, with a high near 58. Northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Monday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light west wind.
Tuesday Night
Mostly clear, with a low around 36. Calm wind.
Wednesday
Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 43. Southwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 39.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.03°N 78.33°W (Elev. 1601 ft)
Last Update:
2:22 pm EDT Oct 4, 2026
Forecast Valid:
2pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation