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      Elev 23 ft, 43.634 °N 70.246 °W

      South Portland, ME

      Updated: 9:42 AM EDT on September 18, 2026 (GMT -4)
      51 seconds ago
      75°
      53°
      62
      Feels Like 62
      Sunny
      N
      10
      Gusts 19 mph
      Higher temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 09/18
        High 75°f
        15% Precip. / 0 in
        Sunny to partly cloudy. Slight chance of a rain shower. High near 75F. Winds NNW at 10 to 20 mph.
        Tonight
        Fri 09/18
        Low 46°f
        1% Precip. / 0 in
        Partly cloudy skies. Low 46F. Winds NNW at 10 to 15 mph.
        Tomorrow
        Sat 09/19
        High 64°f45°f
        2% Precip. / 0 in
        Mostly sunny skies. High 64F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        68°
        10AM
        68°
        11AM
        71°
        12PM
        73°
        1PM
        74°
        2PM
        75°
        3PM
        74°
        4PM
        72°
        5PM
        71°
        6PM
        69°
        6:45PM
        Sunset
        7PM
        66°
        8PM
        64°
        9PM
        62°
        10PM
        59°
        11PM
        57°
        12AM
        56°
        1AM
        54°
        2AM
        52°
        3AM
        51°
        4AM
        49°
        5AM
        48°
        6AM
        47°
        6:24AM
        Sunrise
        7AM
        47°
        8AM
        51°
        9AM
        54°
        Additional Conditions
        1. Pressure 30 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point60°F
        5. Humidity 76%
        6. Rainfall 0.59 in
        7. Snow Depth 0 in
        KPWM Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 70°F 90°F 1955
        4. Low 53°F 51°F 32°F 1961
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 70°F 87°F
        4. Low 53°F 51°F 31°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:23 AM 6:45 PM
        3. Civil Twilight 5:55 AM 7:14 PM
        4. Nautical Twilight 5:21 AM 7:47PM
        5. Astronomical Twilight 4:46 AM 8:22 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 21m
        3. Tomorrow will be 2 minutes 58 seconds shorter
        1. Moon 2:29 PM 10:41 PM
        2. First Quarter49% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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        Weather Alerts
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