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      Gale Watch
      until 8:00 PM EDT
      +1 more alert
      Elev 50 ft, 43.060 °N 70.776 °W

      Portsmouth, NH

      Marjorie Street Station61°
      Updated: 2:50 PM EDT on September 23, 2026 (GMT -4)
      10 minutes ago
      64°
      43°
      61
      Feels Like 61
      Partly Cloudy
      N
      12
      Gusts 19 mph
      Same temperature is expected today
      Wundermap
      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
        Wed 09/23
        High 63°f
         2% Precip. / 0 in
        Lots of sunshine. High 63F. Winds ENE at 10 to 15 mph. Coastal flooding possible at high tide.
        Tonight
        Wed 09/23
        Low 45°f
         8% Precip. / 0 in
        Clear skies. Low near 45F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Thu 09/24
        High 66°f49°f
         6% Precip. / 0 in
        Generally sunny. High 66F. Winds NE at 10 to 20 mph. Coastal flooding possible at high tide.
        Hourly Forecast
        Now
        62°
        3PM
        62°
        4PM
        62°
        5PM
        61°
        6PM
        58°
        6:38PM
        Sunset
        7PM
        55°
        8PM
        54°
        9PM
        52°
        10PM
        50°
        11PM
        50°
        12AM
        49°
        1AM
        48°
        2AM
        48°
        3AM
        47°
        4AM
        46°
        5AM
        46°
        6AM
        46°
        6:32AM
        Sunrise
        7AM
        47°
        8AM
        50°
        9AM
        54°
        10AM
        59°
        11AM
        61°
        12PM
        63°
        1PM
        64°
        2PM
        64°
        Precipitation
        8%
        Pollen
        None
        Air Quality
        13
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.55 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point46°F
        5. Humidity 55%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPSM Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 69°F 86°F 2019
        4. Low 43°F 49°F 34°F 1977
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 69°F 90°F
        4. Low 43°F 49°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 6:38 PM
        3. Civil Twilight 6:03 AM 7:06 PM
        4. Nautical Twilight 5:30 AM 7:39PM
        5. Astronomical Twilight 4:56 AM 8:13 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 55 seconds shorter
        1. Moon 5:18 PM 3:00 AM
        2. Waxing Gibbous91% 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
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