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      Flash Flood Warning
      until 1:45 PM EDT
      +2 more alerts
      Elev 44 ft, 41.601 °N 71.244 °W

      Portsmouth, RI

      Portsmouth Station69°
      Updated: 12:51 PM EDT on September 13, 2026 (GMT -4)
      2 minutes ago
      72°
      61°
      69
      Feels Like 69
      Rain
      N
      9
      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 09/13
        High 71°f
         100% Precip. / 0.74 in
        A steady rain. The rain will be heavy at times. High 71F. Winds NNE at 5 to 10 mph. Chance of rain 100%. Rainfall around a half an inch. Localized flooding is possible.
        Tonight
        Sun 09/13
        Low 65°f
         37% Precip. / 0.01 in
        Partly cloudy skies this evening will give way to occasional showers overnight. Low near 65F. Winds light and variable. Chance of rain 40%.
        Tomorrow
        Mon 09/14
        High 74°f50°f
         24% Precip. / 0 in
        Partly cloudy skies. High 74F. Winds NNW at 10 to 15 mph.
        Hourly Forecast
        Now
        69°
        1PM
        100%
        69°
        2PM
        92%
        70°
        3PM
        100%
        69°
        4PM
        33%
        70°
        5PM
        71°
        6PM
        70°
        6:57PM
        Sunset
        7PM
        69°
        8PM
        67°
        9PM
        67°
        10PM
        67°
        11PM
        67°
        12AM
        21%
        66°
        1AM
        21%
        66°
        2AM
        66°
        3AM
        15%
        66°
        4AM
        66°
        5AM
        67°
        6AM
        37%
        66°
        6:24AM
        Sunrise
        7AM
        52%
        66°
        8AM
        67°
        9AM
        67°
        10AM
        69°
        11AM
        70°
        12PM
        72°
        Precipitation
        100%
        Storms continuing through 4 PM
        Pollen
        None
        Air Quality
        32
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 1.7 miles
        3. Clouds Cloudy
        4. Dew Point69°F
        5. Humidity 99%
        6. Rainfall 2.16 in
        7. Snow Depth 0 in
         KUUU Station History
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 74°F 84°F 1961
        4. Low 61°F 60°F 39°F 1984
        5. Rain/Snow Depth
        6. Precipitation 0.75 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 74°F 81°F
        4. Low 61°F 60°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:23 AM 6:57 PM
        3. Civil Twilight 5:55 AM 7:25 PM
        4. Nautical Twilight 5:22 AM 7:58PM
        5. Astronomical Twilight 4:48 AM 8:32 PM
        1. Length of Visible Light 13h 30m
        2. Length of Day 12h 34m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 9:08 AM 7:51 PM
        2. Waxing Crescent6% 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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