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.

Mostly Cloudy

36°F

2°C

Humidity 75%
Wind Speed S 6 mph
Barometer 29.88 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Feb 1:15 am EST
Extended Forecast for

4 Miles ENE Great Valley NY

  • Overnight

    Overnight: A chance of showers after 4am. Mostly cloudy, with a low around 37. South wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 32 by 5pm. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F⇓

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Increasing clouds, with a low around 18. North wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 22. North wind 9 to 13 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 4 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 26. Light and variable wind.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. South wind 3 to 8 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow showers likely before 1pm, then rain and snow showers. High near 38. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 38 °F

    Snow Showers
    Likely then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain showers before 1am, then a chance of rain and snow showers. Low around 29. Chance of precipitation is 80%.

    Low: 29 °F

    Showers then
    Rain/Snow

Detailed Forecast

Overnight
A chance of showers after 4am. Mostly cloudy, with a low around 37. South wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 32 by 5pm. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Snow likely, mainly after 1am. Increasing clouds, with a low around 18. North wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
A chance of snow showers, mainly before 10am. Mostly cloudy, with a high near 22. North wind 9 to 13 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 4. Northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 26. Light and variable wind.
Monday Night
Partly cloudy, with a low around 16. South wind 3 to 8 mph.
Tuesday
Snow showers likely before 1pm, then rain and snow showers. High near 38. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
Rain showers before 1am, then a chance of rain and snow showers. Low around 29. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Thursday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.
Thursday Night
Showers likely. Cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
12:57 am EST Feb 28, 2026
Forecast Valid:
1am EST Feb 28, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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