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      Elev 226 ft, 41.575 °N 72.633 °W

      Portland, CT

      Updated: 9:06 AM EDT on September 20, 2026 (GMT -4)
      4 minutes ago
      65°
      57°
      60
      Feels Like 60
      Showers in Vicinity
      N
      3
      Lower 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
        Sun 09/20
        High 64°f
        100% Precip. / 0.51 in
        Cloudy with periods of rain. Potential for heavy rainfall. High 64F. Winds SE at 5 to 10 mph. Chance of rain 100%. Rainfall near a half an inch.
        Tonight
        Sun 09/20
        Low 55°f
        63% Precip. / 0.09 in
        Cloudy with occasional rain showers. Low near 55F. Winds NNE at 5 to 10 mph. Chance of rain 60%.
        Tomorrow
        Mon 09/21
        High 69°f53°f
        21% Precip. / 0 in
        Mostly cloudy. High 69F. Winds NNE at 10 to 15 mph.
        Hourly Forecast
        Now
        61°
        10AM
        75%
        61°
        11AM
        96%
        62°
        12PM
        100%
        62°
        1PM
        98%
        62°
        2PM
        65%
        62°
        3PM
        72%
        63°
        4PM
        61%
        64°
        5PM
        52%
        64°
        6PM
        63%
        64°
        6:51PM
        Sunset
        7PM
        64%
        64°
        8PM
        52%
        64°
        9PM
        52%
        64°
        10PM
        35%
        64°
        11PM
        35%
        63°
        12AM
        32%
        62°
        1AM
        61°
        2AM
        45%
        60°
        3AM
        33%
        58°
        4AM
        30%
        58°
        5AM
        57°
        6AM
        57°
        6:36AM
        Sunrise
        7AM
        56°
        8AM
        57°
        9AM
        59°
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point55°F
        5. Humidity 80%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
        KMMK Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 71°F 89°F 1983
        4. Low 57°F 52°F 32°F 1993
        5. Rain/Snow Depth
        6. Precipitation 0.6 in 0.15 in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 71°F 95°F
        4. Low 57°F 52°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:36 AM 6:51 PM
        3. Civil Twilight 6:08 AM 7:18 PM
        4. Nautical Twilight 5:35 AM 7:51PM
        5. Astronomical Twilight 5:02 AM 8:24 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 15m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 3:57 PM -
        2. Waxing Gibbous68% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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        Weather Alerts
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