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      Elev 6 ft, 29.897 °N 81.305 °W

      St. Augustine, FL

      Updated: 2:10 AM EDT on September 20, 2026 (GMT -4)
      3 minutes ago
      88°
      74°
      80
      Feels Like 84
      Fair
      N
      1
      Similar 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
        Sat 09/19
        Low 75°f
        8% Precip. / 0 in
        A few clouds. Low around 75F. Winds light and variable.
        Tomorrow
        Sun 09/20
        High 84°f
        48% Precip. / 0.77 in
        Mixed clouds and sun with scattered thunderstorms. High 84F. Winds NNE at 5 to 10 mph. Chance of rain 50%.
        Tomorrow night
        Sun 09/20
        Low 75°f
        44% Precip. / 0.14 in
        Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low near 75F. Winds ENE at 5 to 10 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        80°
        3AM
        79°
        4AM
        79°
        5AM
        78°
        6AM
        76°
        7AM
        76°
        7:12AM
        Sunrise
        8AM
        77°
        9AM
        35%
        79°
        10AM
        45%
        81°
        11AM
        48%
        82°
        12PM
        35%
        82°
        1PM
        37%
        83°
        2PM
        43%
        83°
        3PM
        41%
        82°
        4PM
        82°
        5PM
        81°
        6PM
        81°
        7PM
        80°
        7:24PM
        Sunset
        8PM
        79°
        9PM
        78°
        10PM
        78°
        11PM
        78°
        12AM
        77°
        1AM
        77°
        2AM
        77°
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point74°F
        5. Humidity 84%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KSGJ Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 87°F 95°F 1987
        4. Low 74°F 73°F 55°F 1981
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 87°F 91°F
        4. Low 74°F 73°F 63°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:12 AM 7:24 PM
        3. Civil Twilight 6:48 AM 7:48 PM
        4. Nautical Twilight 6:20 AM 8:15PM
        5. Astronomical Twilight 5:52 AM 8:43 PM
        1. Length of Visible Light 12h 59m
        2. Length of Day 12h 11m
        3. Tomorrow will be 1 minute 47 seconds shorter
        1. Moon 3:56 PM 1:14 AM
        2. Waxing Gibbous68% 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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        Weather Alerts
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