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

54°F

12°C

Humidity 88%
Wind Speed W 5 mph
Barometer 29.79 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 8 Oct 2:55 am EDT
Extended Forecast for

Portville NY

  • Overnight

    Overnight: Mostly clear, with a low around 48. Southwest wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. West wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. South wind around 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 2pm. High near 65. South wind around 7 mph. Chance of precipitation is 80%.

    High: 65 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 63. West wind 5 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 64. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 37. Calm wind.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. South wind around 6 mph.
Sunday
Showers, mainly after 2pm. High near 65. South wind around 7 mph. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 2am. Low around 53. Chance of precipitation is 80%.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.05°N 78.33°W (Elev. 2001 ft)
Last Update:
2:22 am EDT Oct 8, 2026
Forecast Valid:
3am EDT Oct 8, 2026-6pm EDT Oct 14, 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