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

72°F

22°C

Humidity 41%
Wind Speed S 12 G 18 mph
Barometer 29.78 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Apr 2:15 pm EDT
Extended Forecast for

Olean NY

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 76. South wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 35. West wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A chance of rain and snow showers before 9am, then a slight chance of rain showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. West wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Snow showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 24. Northwest wind 3 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Showers
    Likely

  • Monday

    Monday: A slight chance of snow showers, mixing with rain after 11am, then gradually ending. Partly sunny, with a high near 39. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 40. Light southwest wind. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 76. South wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 35. West wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain and snow showers before 9am, then a slight chance of rain showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. West wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Snow showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 24. Northwest wind 3 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow showers, mixing with rain after 11am, then gradually ending. Partly sunny, with a high near 39. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 21. Calm wind.
Tuesday
Mostly sunny, with a high near 56. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 40. Light southwest wind. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 74.
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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:
1:58 pm EDT Apr 18, 2026
Forecast Valid:
2pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation