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.

Light Drizzle

N/A

Humidity NA
Wind Speed Calm
Barometer 29.71 in
Dewpoint N/A
Visibility 10.00 mi
Last update 20 Mar 5:55 pm EDT
Extended Forecast for

4 Miles ENE Great Valley NY

  • Tonight

    Tonight: A slight chance of rain before 7pm. Areas of fog after 11pm. Otherwise, cloudy, with a low around 31. Light and variable wind becoming northwest 5 to 10 mph in the evening. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain and
    Areas Fog
    then Areas
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. North wind around 5 mph becoming calm in the morning.

    High: 49 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Calm wind becoming south around 6 mph after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Southwest wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 2am, then a chance of rain and snow showers. Cloudy, with a low around 27. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 27 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 34. Northwest wind around 8 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Northwest wind 5 to 7 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Southwest wind 3 to 7 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A slight chance of rain before 7pm. Areas of fog after 11pm. Otherwise, cloudy, with a low around 31. Light and variable wind becoming northwest 5 to 10 mph in the evening. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 40. Calm wind becoming south around 6 mph after midnight.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Southwest wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 2am, then a chance of rain and snow showers. Cloudy, with a low around 27. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 34. Northwest wind around 8 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 20. Northwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 42. Southwest wind 3 to 7 mph.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 40%.
Thursday Night
Rain and snow showers. Low around 26. Chance of precipitation is 80%.
Friday
Rain and snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
3:58 pm EDT Mar 20, 2026
Forecast Valid:
6pm EDT Mar 20, 2026-6pm EDT Mar 27, 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