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.

Fog

34°F

1°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.24 in
Dewpoint 34°F (1°C)
Visibility 0.15 mi
Last update 2 Apr 9:35 am EDT
Extended Forecast for

Olean NY

  • Today

    Today: A chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers after 5am. Mostly cloudy, with a low around 51. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 41. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 51. West wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers after 5am. Mostly cloudy, with a low around 51. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 41. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly cloudy, with a high near 51. West wind 8 to 13 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 46.
Monday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Tuesday
A chance of snow showers. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 50.
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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:
9:31 am EDT Apr 2, 2026
Forecast Valid:
9am EDT Apr 2, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation