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.

Fair

46°F

8°C

Humidity 57%
Wind Speed W 5 mph
Barometer 30.30 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 4 Apr 11:55 am EDT
Extended Forecast for

Delevan NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 55. North wind around 7 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers between 10pm and 1am, then rain after 1am. Low around 42. East wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance
    Showers then
    Rain

  • Saturday

    Saturday: Occasional rain, with thunderstorms also possible after noon. High near 61. South wind 11 to 17 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Rain

  • Saturday Night

    Saturday Night: Occasional rain before 8pm, then showers between 8pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 34. Northwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Showers

  • Sunday

    Sunday: A chance of rain and snow showers before 11am, then a chance of snow showers. Mostly cloudy, with a high near 40. Northwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A chance of snow showers before 2am. Mostly cloudy, with a low around 26. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    Showers

  • Monday

    Monday: A chance of rain and snow showers after 2pm. Mostly sunny, with a high near 45. West wind 3 to 8 mph. Chance of precipitation is 40%.

    High: 45 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow showers before 8pm, then snow showers likely. Mostly cloudy, with a low around 23. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 23 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers before 2pm. Partly sunny, with a high near 29. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 55. North wind around 7 mph.
Tonight
A chance of showers between 10pm and 1am, then rain after 1am. Low around 42. East wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Occasional rain, with thunderstorms also possible after noon. High near 61. South wind 11 to 17 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Occasional rain before 8pm, then showers between 8pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 34. Northwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of rain and snow showers before 11am, then a chance of snow showers. Mostly cloudy, with a high near 40. Northwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 26. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
A chance of rain and snow showers after 2pm. Mostly sunny, with a high near 45. West wind 3 to 8 mph. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow showers before 8pm, then snow showers likely. Mostly cloudy, with a low around 23. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday
A chance of snow showers before 2pm. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A chance of showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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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 4, 2025
Forecast Valid:
12pm EDT Apr 4, 2025-6pm EDT Apr 10, 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