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.

Partly Cloudy

64°F

18°C

Humidity 46%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Sep 1:35 pm EDT
Extended Forecast for

Portville NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Light southeast wind.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, sunny, with a high near 76. Calm wind becoming north around 6 mph in the afternoon.

    High: 76 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.

    High: 76 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Light southeast wind.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 41. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 44. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, sunny, with a high near 76. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 45. Calm wind.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.
Friday Night
Partly cloudy, with a low around 48. Calm wind.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.05°N 78.33°W (Elev. 2001 ft)
Last Update:
1:36 pm EDT Sep 9, 2025
Forecast Valid:
1pm EDT Sep 9, 2025-6pm EDT Sep 15, 2025
 
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