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.

Overcast

46°F

8°C

Humidity 82%
Wind Speed E 5 mph
Barometer 30.11 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Oct 3:55 am EDT
Extended Forecast for

Portville NY

  • Overnight

    Overnight: Scattered showers. Cloudy, with a low around 44. Light northeast wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Scattered
    Showers

  • Columbus Day

    Columbus Day: Scattered showers, mainly before 10am. Cloudy, with a high near 60. Northeast wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Scattered
    Showers then
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. North wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. North wind 3 to 7 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Light northwest wind.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. North wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. North wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Light north wind increasing to 5 to 9 mph in the morning.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a low around 44. Light northeast wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Scattered showers, mainly before 10am. Cloudy, with a high near 60. Northeast wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 42. North wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 67. North wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 40. Light northwest wind.
Wednesday
Mostly sunny, with a high near 59. North wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 30. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 56. Light north wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
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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:
3:49 am EDT Oct 13, 2025
Forecast Valid:
4am EDT Oct 13, 2025-6pm EDT Oct 19, 2025
 
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