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 W 7 mph
Barometer 29.81 in
Dewpoint N/A
Visibility 4.00 mi
Last update 5 Apr 7:55 am EDT
Extended Forecast for

4 Miles ENE Great Valley NY

  • Today

    Today: A slight chance of showers before 9am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 43. West wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. West wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: A chance of snow showers before noon, then a chance of rain and snow showers between noon and 2pm, then rain showers likely after 2pm. Mostly cloudy, with a high near 40. West wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain showers likely before 7pm, then rain and snow showers between 7pm and 9pm, then snow showers after 9pm. Low around 22. West wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Rain/Snow
    then Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly before noon. Partly sunny, with a high near 28. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. Northwest wind around 5 mph becoming calm in the evening.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. South wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 9am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 43. West wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. West wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers before noon, then a chance of rain and snow showers between noon and 2pm, then rain showers likely after 2pm. Mostly cloudy, with a high near 40. West wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Rain showers likely before 7pm, then rain and snow showers between 7pm and 9pm, then snow showers after 9pm. Low around 22. West wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow showers likely, mainly before noon. Partly sunny, with a high near 28. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 16. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 36. South wind 6 to 10 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
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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:
7:58 am EDT Apr 5, 2026
Forecast Valid:
8am EDT Apr 5, 2026-6pm EDT Apr 11, 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