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

34°F

1°C

Humidity 87%
Wind Speed W 3 mph
Barometer 29.94 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Apr 9:35 am EDT
Extended Forecast for

4 Miles SW Allegany NY

  • Today

    Today: A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 42. West wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of rain and snow showers before 9pm, then snow showers likely. Mostly cloudy, with a low around 23. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers between 7am and 2pm. Partly sunny, with a high near 37. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. Southwest wind 5 to 7 mph becoming northwest in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Light northwest wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 42. West wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of rain and snow showers before 9pm, then snow showers likely. Mostly cloudy, with a low around 23. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A slight chance of snow showers between 7am and 2pm. Partly sunny, with a high near 37. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 52. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 63. Southwest wind 5 to 7 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 38. Light northwest wind.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 73.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Saturday
Showers likely. Partly sunny, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Allegany NY
 42.05°N 78.53°W (Elev. 1801 ft)
Last Update:
10:17 am EDT Apr 19, 2026
Forecast Valid:
10am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation