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      Elev 130 ft, 41.353 °N 72.078 °W

      Groton, CT

      Groton Bank, Fort Griswold Battlefield Station
      Updated: 8:41 AM EDT on August 25, 2026 (GMT -4)
      3 minutes ago
      76°
      58°
      66
      Feels Like 66
      Sunny
      N
      5
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Tue 08/25
      High 76°f
      5% Precip. / 0 in
      Sunshine and a few afternoon clouds. High 76F. Winds WSW at 10 to 15 mph.
      Tonight
      Tue 08/25
      Low 60°f
      7% Precip. / 0 in
      Mostly clear. Low near 60F. Winds light and variable.
      Tomorrow
      Wed 08/26
      High 77°f65°f
      7% Precip. / 0 in
      Sunny along with a few clouds. High 77F. Winds WSW at 5 to 10 mph.
      Hourly Forecast
      Now
      68°
      9AM
      69°
      10AM
      71°
      11AM
      73°
      12PM
      73°
      1PM
      74°
      2PM
      74°
      3PM
      75°
      4PM
      75°
      5PM
      75°
      6PM
      74°
      7PM
      73°
      7:32PM
      Sunset
      8PM
      70°
      9PM
      68°
      10PM
      67°
      11PM
      67°
      12AM
      65°
      1AM
      65°
      2AM
      64°
      3AM
      63°
      4AM
      62°
      5AM
      62°
      6AM
      61°
      6:08AM
      Sunrise
      7AM
      62°
      8AM
      66°
      Precipitation
      7%
      Pollen
      Grass Pollen
      Low
      Air Quality
      53
      Moderate
      UV Index
      2
      Low
      Additional Conditions
      1. Pressure 29.97 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point58°F
      5. Humidity 71%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KGON Station History
      Almanac for August 25, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 76°F 79°F 90°F 2020
      4. Low 58°F 64°F 45°F 1971
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.9 in -
      7. Snow 0 in 0 in -
      Almanac for August 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 77°F 79°F 92°F
      4. Low 58°F 64°F 46°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:07 AM 7:32 PM
      3. Civil Twilight 5:38 AM 8:01 PM
      4. Nautical Twilight 5:04 AM 8:35PM
      5. Astronomical Twilight 4:27 AM 9:12 PM
      1. Length of Visible Light 14h 22m
      2. Length of Day 13h 24m
      3. Tomorrow will be 2 minutes 35 seconds shorter
      1. Moon 6:28 PM 3:13 AM
      2. Waxing Gibbous94% of the Moon is Illuminated
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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