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

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

79°F

26°C

Humidity 62%
Wind Speed S 9 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 30 Jun 11:51 am EDT
Extended Forecast for

Falmouth Foreside ME

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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 2am. Increasing clouds, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 94. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
A chance of showers, with thunderstorms also possible after 2am. Increasing clouds, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 94. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 96.
Friday Night
Mostly clear, with a low around 69.
Independence Day
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Falmouth Foreside ME
 43.72°N 70.22°W (Elev. 3 ft)
Last Update:
6:48 am EDT Jun 30, 2026
Forecast Valid:
12pm 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