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

N/A

Humidity NA
Wind Speed W 3 mph
Barometer 29.72 in
Dewpoint N/A
Visibility 7.00 mi
Last update 20 Mar 7:15 pm EDT
Extended Forecast for

4 Miles SW Allegany NY

  • Tonight

    Tonight: Areas of fog between midnight and 2am. Otherwise, cloudy, with a low around 32. Southwest wind 5 to 10 mph becoming north after midnight.

    Low: 32 °F

    Cloudy then
    Areas Fog

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind around 5 mph becoming calm in the morning.

    High: 52 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Partly sunny, with a high near 63. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 37. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Northwest wind 6 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Areas of fog between midnight and 2am. Otherwise, cloudy, with a low around 32. Southwest wind 5 to 10 mph becoming north after midnight.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 41. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
Showers likely, mainly after 2pm. Partly sunny, with a high near 63. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. North wind around 7 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 37. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 21. Northwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 44. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
A chance of snow showers before 8am. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Thursday Night
Rain and snow showers. Low around 28. Chance of precipitation is 80%.
Friday
Rain and snow showers likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
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 20, 2026
Forecast Valid:
7pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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