Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Overcast

69°F

21°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 11:51 pm EDT
Extended Forecast for

Riverton ME

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am.  Areas of fog. Low around 66. South wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers and
    Areas Fog

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Areas of fog before 9am. High near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers and
    Areas Fog
    then Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 9pm.  Low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. West wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. West wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Areas of fog. Low around 66. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Areas of fog before 9am. High near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 87. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 60. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A 30 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 90.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton ME
 43.69°N 70.32°W (Elev. 75 ft)
7:32 pm EDT Aug 2, 2026
12am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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Additional Resources

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