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.

A Few Clouds

79°F

26°C

Humidity 56%
Wind Speed E 7 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Jun 12:51 pm EDT
Extended Forecast for

Sebago Lake 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: Sunny, with a high near 86. North wind around 5 mph becoming east.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Mostly sunny and hot, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 86. North wind around 5 mph becoming east.
Tonight
Mostly clear, with a low around 60. South wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers before 8am. Mostly sunny and hot, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 71.
Thursday
Mostly sunny and hot, with a high near 100.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny and hot, with a high near 94.
Friday Night
A chance of showers between 10pm and 1am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Independence Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sebago Lake ME
 43.77°N 70.57°W (Elev. 371 ft)
Last Update:
6:25 am EDT Jun 29, 2026
Forecast Valid:
1pm EDT Jun 29, 2026-6pm EDT Jul 5, 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