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

41°F

5°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.18 in
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 4 Apr 3:55 am EDT
Extended Forecast for

Olean NY

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 42. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Chance
    T-storms then
    Heavy Rain

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 50. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 30. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 11am, then rain showers likely after 11am. Mostly cloudy, with a high near 44. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 9pm. Cloudy, with a low around 26. West wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. Northwest wind around 9 mph.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 42. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 50. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 30. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 11am, then rain showers likely after 11am. Mostly cloudy, with a high near 44. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain and snow showers likely, becoming all snow after 9pm. Cloudy, with a low around 26. West wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, with a high near 36. Northwest wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 17. Calm wind.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.41°W (Elev. 1470 ft)
Last Update:
3:58 am EDT Apr 4, 2026
Forecast Valid:
4am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation