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      Elev 43 ft, 43.074 °N 70.761 °W

      Portsmouth, NH

      Little Harbor Station66°
      Updated: 8:05 PM EDT on September 18, 2026 (GMT -4)
      5 minutes ago
      79°
      56°
      66
      Feels Like 66
      Partly Cloudy
      N
      7
      Lower temperature is expected tomorrow
      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
        Tonight
        Fri 09/18
        Low 47°f
         1% Precip. / 0 in
        Partly cloudy skies. Low 47F. Winds N at 5 to 10 mph.
        Tomorrow
        Sat 09/19
        High 65°f
         1% Precip. / 0 in
        Sunny, along with a few afternoon clouds. High around 65F. Winds E at 5 to 10 mph.
        Tomorrow night
        Sat 09/19
        Low 46°f
         6% Precip. / 0 in
        Partly cloudy skies. Low 46F. Winds light and variable.
        Hourly Forecast
        Now
        66°
        9PM
        64°
        10PM
        61°
        11PM
        59°
        12AM
        58°
        1AM
        57°
        2AM
        55°
        3AM
        53°
        4AM
        51°
        5AM
        49°
        6AM
        48°
        6:26AM
        Sunrise
        7AM
        48°
        8AM
        53°
        9AM
        56°
        10AM
        59°
        11AM
        61°
        12PM
        62°
        1PM
        63°
        2PM
        64°
        3PM
        63°
        4PM
        63°
        5PM
        61°
        6PM
        60°
        6:45PM
        Sunset
        7PM
        58°
        8PM
        56°
        Precipitation
        2%
        Pollen
        None
        Air Quality
        28
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.07 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point48°F
        5. Humidity 52%
        6. Rainfall 0.37 in
        7. Snow Depth 0 in
         KPSM Station History
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 71°F 92°F 1983
        4. Low 56°F 51°F 33°F 1990
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 70°F 93°F
        4. Low 56°F 50°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:27 AM 6:45 PM
        3. Civil Twilight 5:58 AM 7:14 PM
        4. Nautical Twilight 5:25 AM 7:47PM
        5. Astronomical Twilight 4:50 AM 8:21 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 18m
        3. Tomorrow will be 2 minutes 55 seconds shorter
        1. Moon 3:16 PM 11:43 PM
        2. Waxing Gibbous58% 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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