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

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Oct 10:55 am EDT
Extended Forecast for

Great Valley NY

  • This Afternoon

    This Afternoon: A slight chance of showers before 1pm. Mostly cloudy, with a high near 64. Northwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. North wind around 7 mph becoming south in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63. East wind 5 to 7 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 11pm. Low around 49. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 62. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Rain showers before 5am, then a chance of rain and snow showers. Low around 29. Northwest wind 11 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Showers then
    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers before 8am. Mostly sunny, with a high near 44. Northwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Snow
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Southwest wind 3 to 5 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 1pm. Mostly cloudy, with a high near 64. Northwest wind 8 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 41. North wind around 7 mph becoming south in the evening.
Thursday
Partly sunny, with a high near 63. East wind 5 to 7 mph.
Thursday Night
Showers, with thunderstorms also possible after 11pm. Low around 49. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 62. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain showers before 5am, then a chance of rain and snow showers. Low around 29. Northwest wind 11 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of snow showers before 8am. Mostly sunny, with a high near 44. Northwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 28. Southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Valley NY
 42.21°N 78.6°W (Elev. 1558 ft)
Last Update:
11:53 am EDT Oct 14, 2026
Forecast Valid:
12pm EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
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