National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

45°F

7°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.91 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Jun 4:35 am EDT
Extended Forecast for

Olean NY

  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Increasing clouds, with a low around 50. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then a slight chance of showers after 8am. Mostly sunny, with a high near 74. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 56. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 77. Southwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 52. West wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West wind 3 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the morning.
Tonight
A chance of showers, mainly after 4am. Increasing clouds, with a low around 50. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers before 7am, then a slight chance of showers after 8am. Mostly sunny, with a high near 74. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 56. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 77. Southwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 52. West wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Juneteenth
Mostly sunny, with a high near 71. West wind 8 to 11 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 50. West wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.1°N 78.43°W (Elev. 1493 ft)
Last Update:
3:57 am EDT Jun 16, 2026
Forecast Valid:
5am EDT Jun 16, 2026-6pm EDT Jun 22, 2026
 
Forecast Discussion
 
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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