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.

Overcast with Haze

N/A

Humidity NA
Wind Speed NW 3 mph
Barometer 29.91 in
Dewpoint N/A
Visibility 4.00 mi
Last update 14 May 10:55 pm EDT
Extended Forecast for

3 Miles ESE Great Valley NY

  • Tonight

    Tonight: Patchy drizzle with a slight chance of showers before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 40. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Patchy
    Drizzle

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 3 to 5 mph.

    High: 64 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 76. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. Southwest wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy drizzle with a slight chance of showers before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 40. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 3 to 5 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Calm wind.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 76. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.
Monday
Sunny, with a high near 87. Southwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Wednesday
Showers likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Great Valley NY
 42.2°N 78.54°W (Elev. 1647 ft)
Last Update:
9:57 pm EDT May 14, 2026
Forecast Valid:
11pm EDT May 14, 2026-6pm EDT May 21, 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