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      Coastal Flood Watch
      until 4:00 AM EDT
      +1 more alert
      Elev 16 ft, 36.860 °N 76.386 °W

      Portsmouth, VA

      Belvedere Station73°
      Updated: 12:49 AM EDT on September 22, 2026 (GMT -4)
      9 minutes ago
      80°
      74°
      73
      Feels Like 74
      Mostly Cloudy
      N
      6
      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
        Tonight
        Mon 09/21
        Low 69°f
         15% Precip. / 0 in
        Mostly cloudy skies. Low 69F. Winds light and variable.
        Tomorrow
        Tue 09/22
        High 80°f
         59% Precip. / 0.58 in
        Scattered thunderstorms developing during the afternoon. High around 80F. Winds ENE at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Tue 09/22
        Low 67°f
         46% Precip. / 0.15 in
        Cloudy with showers. Low 67F. Winds NE at 10 to 20 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        74°
        1AM
        74°
        2AM
        73°
        3AM
        73°
        4AM
        72°
        5AM
        72°
        6AM
        71°
        6:53AM
        Sunrise
        7AM
        70°
        8AM
        73°
        9AM
        76°
        10AM
        78°
        11AM
        79°
        12PM
        48%
        79°
        1PM
        57%
        78°
        2PM
        60%
        78°
        3PM
        57%
        76°
        4PM
        57%
        76°
        5PM
        53%
        75°
        6PM
        58%
        74°
        7PM
        46%
        72°
        7:02PM
        Sunset
        8PM
        37%
        71°
        9PM
        36%
        71°
        10PM
        44%
        71°
        11PM
        47%
        71°
        12AM
        44%
        70°
        Precipitation
        60%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        32
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.03 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point70°F
        5. Humidity 87%
        6. Rainfall 0.03 in
        7. Snow Depth 0 in
         KNCL Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 80°F 97°F 1980
        4. Low 74°F 65°F 46°F 1889
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 80°F 100°F
        4. Low 74°F 65°F 49°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 7:02 PM
        3. Civil Twilight 6:27 AM 7:28 PM
        4. Nautical Twilight 5:57 AM 7:58PM
        5. Astronomical Twilight 5:26 AM 8:28 PM
        1. Length of Visible Light 13h 0m
        2. Length of Day 12h 8m
        3. Tomorrow will be 2 minutes 20 seconds shorter
        1. Moon 5:03 PM 2:33 AM
        2. Waxing Gibbous84% 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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