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

Dunkirk, Chautauqua County / Dunkirk Airport (KDKK)

Lat: 42.49°NLon: 79.28°WElev: 692ft.

Partly Cloudy

74°F

23°C

Humidity 85%
Wind Speed Calm
Barometer 30.29 in (1025.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 16 Sep 5:53 pm EDT
Extended Forecast for

Portland NY

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 75. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 70. North wind 7 to 9 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Northeast wind around 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 58. East wind around 8 mph becoming south after midnight. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Cloudy, with a high near 69. Northeast wind 10 to 14 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 75. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 60. Calm wind becoming north 5 to 7 mph after midnight.
Friday
Sunny, with a high near 70. North wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 54. Northeast wind around 7 mph.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly after 8pm. Low around 58. East wind around 8 mph becoming south after midnight. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 2pm. Cloudy, with a high near 69. Northeast wind 10 to 14 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 68.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland NY
 42.39°N 79.48°W (Elev. 571 ft)
Last Update:
3:57 pm EDT Sep 16, 2026
Forecast Valid:
6pm EDT Sep 16, 2026-6pm EDT Sep 23, 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