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

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

80°F

27°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 30 Jun 9:55 am EDT
Extended Forecast for

York Harbor ME

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Mostly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Southwest wind 5 to 10 mph.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 93. West wind around 5 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 81. South wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 72. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 93. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny and hot, with a high near 95.
Friday Night
Mostly clear, with a low around 70.
Independence Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
York Harbor ME
 43.14°N 70.64°W (Elev. 49 ft)
Last Update:
6:48 am EDT Jun 30, 2026
Forecast Valid:
10am EDT Jun 30, 2026-6pm EDT Jul 6, 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