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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

54°F

12°C

Humidity 58%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 1 Aug 11:35 pm EDT
Extended Forecast for

Olean NY

  • Tonight

    Tonight: Areas of fog after 3am. Otherwise, clear, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, sunny, with a high near 78. Light north wind.

    High: 78 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Light southeast wind.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of fog after 3am. Otherwise, clear, with a low around 42. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, sunny, with a high near 78. Light north wind.
Saturday Night
Mostly clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind.
Sunday Night
Mostly clear, with a low around 54. Calm wind.
Monday
Sunny, with a high near 85. Light and variable wind.
Monday Night
Partly cloudy, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 85. Light southeast wind.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.44°W (Elev. 1453 ft)
Last Update:
10:36 pm EDT Aug 1, 2025
Forecast Valid:
11pm EDT Aug 1, 2025-6pm EDT Aug 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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