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

Tropical Storm and Storm Surge Watches for the North Carolina Outer Banks; Hot in the Mid-Mississippi Valley

Tropical Storm conditions and coastal flooding are possible in the North Carolina Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Watches are in effect. Major Hurricane Erin is expected to bring life threatening surf and rip currents along the East Coast beaches this week. Hot to extremely hot temperatures are forecast through Tuesday in the Mid-Mississippi Valley. Read More >

Current conditions at

Dunkirk, Chautauqua County / Dunkirk Airport (KDKK)

Lat: 42.49°NLon: 79.28°WElev: 692ft.

Fair

55°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 19 Aug 4:53 am EDT
Extended Forecast for

Portland NY

  • Today

    Today: A slight chance of showers between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. South wind 8 to 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 64. South wind 9 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. South wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 76. Northeast wind 10 to 13 mph.

    High: 76 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. East wind 6 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Southeast wind 5 to 7 mph becoming north in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Northeast wind around 6 mph becoming south after midnight.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. South wind 8 to 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 64. South wind 9 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. South wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 76. Northeast wind 10 to 13 mph.
Thursday Night
Mostly clear, with a low around 60. East wind 6 to 9 mph.
Friday
Sunny, with a high near 80. Southeast wind 5 to 7 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 64. Northeast wind around 6 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland NY
 42.37°N 79.46°W (Elev. 853 ft)
Last Update:
4:36 am EDT Aug 19, 2025
Forecast Valid:
5am EDT Aug 19, 2025-6pm EDT Aug 25, 2025
 
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