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      Gale Watch
      until 2:00 PM EDT
      +1 more alert
      Elev 43 ft, 43.074 °N 70.761 °W

      Portsmouth, NH

      Little Harbor Station57°
      Updated: 12:36 PM EDT on October 21, 2026 (GMT -4)
      2 minutes ago
      58°
      43°
      57
      Feels Like 54
      Partly Cloudy
      N
      14
      Gusts 23 mph
      Lower temperature is expected today
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Wed 10/21
        High 58°f
         2% Precip. / 0 in
        Partly cloudy. High 58F. Winds NE at 10 to 20 mph.
        Tonight
        Wed 10/21
        Low 44°f
         4% Precip. / 0 in
        Partly cloudy skies this evening will become overcast overnight. Low 44F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Thu 10/22
        High 63°f39°f
         2% Precip. / 0 in
        Cloudy skies early will become partly cloudy later in the day. Warmer. High 63F. Winds N at 10 to 15 mph.
        Hourly Forecast
        Now
        57°
        1PM
        57°
        2PM
        57°
        3PM
        57°
        4PM
        55°
        5PM
        53°
        5:50PM
        Sunset
        6PM
        51°
        7PM
        49°
        8PM
        48°
        9PM
        48°
        10PM
        47°
        11PM
        47°
        12AM
        46°
        1AM
        46°
        2AM
        45°
        3AM
        45°
        4AM
        45°
        5AM
        45°
        6AM
        45°
        7AM
        45°
        7:05AM
        Sunrise
        8AM
        46°
        9AM
        49°
        10AM
        52°
        11AM
        55°
        12PM
        58°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        19
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.27 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point36°F
        5. Humidity 46%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPSM Station History
        Almanac for October 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 58°F 82°F 1979
        4. Low 43°F 39°F 22°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.9 in -
        7. Snow 0 in 0 in -
        Almanac for October 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 57°F 86°F
        4. Low 44°F 38°F 23°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:04 AM 5:50 PM
        3. Civil Twilight 6:35 AM 6:19 PM
        4. Nautical Twilight 6:02 AM 6:52PM
        5. Astronomical Twilight 5:29 AM 7:25 PM
        1. Length of Visible Light 11h 44m
        2. Length of Day 10h 46m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 3:41 PM 1:49 AM
        2. Waxing Gibbous78% of the Moon is Illuminated
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
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