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

36°F

2°C

Humidity 75%
Wind Speed W 3 mph
Barometer 29.94 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 2 May 10:55 am EDT
Extended Forecast for

4 Miles ENE Great Valley NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. Northwest wind 8 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Widespread frost, mainly after midnight. Otherwise, partly cloudy, with a low around 27. West wind 5 to 7 mph.

    Low: 27 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 53. West wind 5 to 14 mph.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 40. Southwest wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 8am. Partly sunny, with a high near 63. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 65. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 44. South wind around 6 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. Northwest wind 8 to 10 mph.
Tonight
Widespread frost, mainly after midnight. Otherwise, partly cloudy, with a low around 27. West wind 5 to 7 mph.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 53. West wind 5 to 14 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 40. Southwest wind 8 to 11 mph. Chance of precipitation is 30%.
Monday
A chance of showers, mainly before 8am. Partly sunny, with a high near 63. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 65. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 44. South wind around 6 mph. Chance of precipitation is 80%.
Wednesday
Showers. High near 54. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 49. 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:
9:57 am EDT May 2, 2026
Forecast Valid:
12pm EDT May 2, 2026-6pm EDT May 8, 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