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

43°F

6°C

Humidity 76%
Wind Speed S 6 mph
Barometer 30.05 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Oct 10:55 pm EDT
Extended Forecast for

Great Valley NY

  • Tonight

    Tonight: Clear, with a low around 38. Light south wind.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 65 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 46. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Light west wind.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming west 5 to 7 mph in the morning.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 38. Light south wind.
Wednesday
Increasing clouds, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 46. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 61. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 38. Light west wind.
Friday
Sunny, with a high near 60. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 39. Calm wind.
Saturday
Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Columbus Day
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Valley NY
 42.23°N 78.59°W (Elev. 1877 ft)
Last Update:
9:57 pm EDT Oct 6, 2026
Forecast Valid:
11pm EDT Oct 6, 2026-6pm EDT Oct 13, 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