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

Monsoonal Moisture Remains Across the Southwest; Heat Endures for the South and West Coast

Heat concerns remain across portions of the South and West Coast where a few new daily record highs are forecast. Monsoonal moisture transport continues across areas of the Southwest into early next week and may generate flash flooding, especially near recent burn scars. Further east, showers and thunderstorms are expected along and ahead of a cold front from the Plains to the Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

80°F

27°C

Humidity 54%
Wind Speed S 14 G 21 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 26 Jun 3:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind around 10 mph.

    Partly Cloudy

    Low: 62 °F

  • Monday

    Monday: Showers, with thunderstorms also possible after 3pm. Some of the storms could produce heavy rain. High near 69. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 69 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly before 10pm. Some of the storms could produce heavy rain. Cloudy, then gradually becoming partly cloudy, with a low around 58. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    then Partly
    Cloudy

    Low: 58 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Northwest wind around 5 mph becoming southwest in the afternoon.

    Mostly Sunny

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

    Mostly Clear

    Low: 57 °F

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Partly Cloudy

    Low: 58 °F

  • Thursday

    Thursday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 60.

    Partly Cloudy

    Low: 60 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South wind around 10 mph.
Monday
Showers, with thunderstorms also possible after 3pm. Some of the storms could produce heavy rain. High near 69. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly before 10pm. Some of the storms could produce heavy rain. Cloudy, then gradually becoming partly cloudy, with a low around 58. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 72. Northwest wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:16 pm EDT Jun 26, 2022
Forecast Valid:
4pm EDT Jun 26, 2022-6pm EDT Jul 3, 2022
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation