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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles ENE Great Valley NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. West wind 5 to 9 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain and snow showers before 9am, then rain showers. High near 49. South wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 31. Northwest wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49. Northwest wind around 5 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 2am, then a chance of rain showers, snow showers, and freezing rain. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 27 °F

    Showers
    Likely then
    Wintry Mix
    Likely

  • Monday

    Monday: A chance of rain showers, snow showers, and freezing rain before 8am. Mostly cloudy, with a high near 33. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. West wind 5 to 9 mph becoming calm in the evening.
Friday
A chance of rain and snow showers before 9am, then rain showers. High near 49. South wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 31. Northwest wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 49. Northwest wind around 5 mph.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 2am, then a chance of rain showers, snow showers, and freezing rain. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
A chance of rain showers, snow showers, and freezing rain before 8am. Mostly cloudy, with a high near 33. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
2:22 pm EDT Mar 19, 2026
Forecast Valid:
3pm EDT Mar 19, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation