National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fog/Mist

N/A

Humidity NA
Wind Speed S 10 G 17 mph
Barometer 29.95 in
Dewpoint N/A
Visibility 3.00 mi
Last update 5 Apr 12:15 pm EDT
Extended Forecast for

Delevan NY

  • This Afternoon

    This Afternoon: Scattered showers before 3pm, then rain, mainly after 3pm. Patchy fog. High near 61. Breezy, with a south wind 13 to 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain before midnight, then showers likely, mainly between midnight and 4am. Patchy fog. Low around 33. West wind 7 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: A chance of rain and snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 40. Northwest wind 7 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 29. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 2pm, then a chance of rain showers between 2pm and 5pm, then a chance of rain and snow showers after 5pm. Partly sunny, with a high near 45. West wind 3 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 21 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 28. West wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers before 3pm, then rain, mainly after 3pm. Patchy fog. High near 61. Breezy, with a south wind 13 to 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before midnight, then showers likely, mainly between midnight and 4am. Patchy fog. Low around 33. West wind 7 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 40. Northwest wind 7 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A chance of snow showers, mainly before 2am. Mostly cloudy, with a low around 29. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow showers before 2pm, then a chance of rain showers between 2pm and 5pm, then a chance of rain and snow showers after 5pm. Partly sunny, with a high near 45. West wind 3 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 28. West wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 21. West wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Delevan NY
 42.48°N 78.49°W (Elev. 1476 ft)
Last Update:
10:37 am EDT Apr 5, 2025
Forecast Valid:
12pm EDT Apr 5, 2025-6pm EDT Apr 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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