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

37°F

3°C

Humidity 81%
Wind Speed E 3 mph
Barometer 29.90 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Mar 5:15 pm EDT
Extended Forecast for

4 Miles SW Allegany NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Light southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 22 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers after 2pm. High near 62. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 11pm, then snow showers likely. Low around 28. Northeast wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Monday

    Monday: A chance of snow showers before 8am. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm after midnight.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. West wind 7 to 9 mph.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Light southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 22 mph.
Sunday
A chance of showers and thunderstorms, then showers after 2pm. High near 62. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 11pm, then snow showers likely. Low around 28. Northeast wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers before 8am. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 45. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 29. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 48. West wind 7 to 9 mph.
Wednesday Night
A chance of rain and snow showers after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
A chance of rain and snow showers before 8am, then rain showers likely after 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Allegany NY
 42.05°N 78.53°W (Elev. 1801 ft)
Last Update:
3:58 pm EDT Mar 21, 2026
Forecast Valid:
5pm EDT Mar 21, 2026-6pm EDT Mar 28, 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