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

73°F

23°C

Humidity 61%
Wind Speed SW 8 mph
Barometer 30.02 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 May 8:35 pm EDT
Extended Forecast for

Olean NY

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers after 4am. Low around 59. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 9am. Mostly cloudy, with a high near 69. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Northwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Northeast wind around 6 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Light east wind.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Southeast wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 46. Southeast wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 60. Southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a slight chance of showers after 4am. Low around 59. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, mainly before 9am. Mostly cloudy, with a high near 69. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 40. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 64. Northeast wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 41. Light east wind.
Friday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Southeast wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers, mainly after 8pm. Low around 46. Southeast wind 5 to 7 mph. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 60. Southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Memorial Day
Mostly cloudy, with a high near 76.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.44°W (Elev. 1453 ft)
Last Update:
7:57 pm EDT May 19, 2026
Forecast Valid:
9pm EDT May 19, 2026-6pm EDT May 26, 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