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

30°F

-1°C

Humidity 75%
Wind Speed W 3 mph
Barometer 29.89 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 17 Nov 4:15 pm EST
Extended Forecast for

Delevan NY

  • This Afternoon

    This Afternoon: A chance of snow showers. Mostly cloudy, with a high near 35. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 27. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 7am. Mostly cloudy, with a high near 38. Light west wind increasing to 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46. Light southwest wind.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 36. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 70%.

    Low: 36 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of snow showers. Mostly cloudy, with a high near 35. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 27. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow showers, mainly before 7am. Mostly cloudy, with a high near 38. Light west wind increasing to 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Mostly sunny, with a high near 42. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 27. Calm wind.
Thursday
Partly sunny, with a high near 46. Light southwest wind.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 36. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 1pm. Cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
A chance of showers. Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delevan NY
 42.48°N 78.49°W (Elev. 1476 ft)
Last Update:
5:02 pm EST Nov 17, 2025
Forecast Valid:
5pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation