My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Flood Watch
      until 2:00 AM EDT
      Elev 100 ft, 42.613 °N 71.575 °W

      Groton, MA

      Groton Station56°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp587190
      Low Temp554724
      Day Average Temp56.8--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation52.9-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point55.1--
      High56--
      Low54--
      Average55.1--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed14--
      Visibility6--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.48--
      Astronomy Day Length Rise Set
      Actual Time11h 55m6:39 AM6:34 PM
      Civil Twilight6:11 AM7:02 PM
      Nautical Twilight5:38 AM7:35 PM
      Astronomical Twilight5:04 AM8:08 PM
      Moon: Waning gibbous6:46 PM7:41 AM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:23 AM 57 °F 55 °F 93 % N 7 mph 20 mph 29.49 in 0.01 in Light Rain
      12:41 AM 57 °F 55 °F 93 % N 9 mph 25 mph 29.48 in 0.01 in Light Rain
      12:52 AM 57 °F 55 °F 93 % N 9 mph 22 mph 29.48 in 0.02 in Rain
      1:03 AM 57 °F 55 °F 93 % N 9 mph - 29.47 in 0 in Heavy Rain
      1:24 AM 57 °F 55 °F 93 % NNE 12 mph 18 mph 29.47 in 0 in Rain
      1:52 AM 57 °F 55 °F 93 % N 9 mph 24 mph 29.46 in 0 in Rain
      2:11 AM 57 °F 56 °F 96 % NNE 10 mph 16 mph 29.46 in 0.12 in Light Rain
      2:31 AM 57 °F 56 °F 96 % NNE 10 mph 21 mph 29.45 in 0.19 in Light Rain
      2:45 AM 57 °F 56 °F 96 % NNE 9 mph 23 mph 29.45 in 0.21 in Light Rain
      2:52 AM 57 °F 56 °F 96 % VAR 7 mph 20 mph 29.45 in 0.22 in Light Rain
      3:06 AM 57 °F 56 °F 96 % N 13 mph 20 mph 29.45 in 0.02 in Heavy Rain
      3:24 AM 57 °F 56 °F 96 % NNE 10 mph 20 mph 29.44 in 0.04 in Light Rain
      3:50 AM 57 °F 55 °F 94 % NNE 13 mph 23 mph 29.43 in 0.06 in Light Rain
      3:52 AM 57 °F 55 °F 93 % NNE 14 mph 23 mph 29.43 in 0.06 in Light Rain
      4:40 AM 57 °F 55 °F 93 % NE 10 mph 18 mph 29.43 in 0.02 in Light Rain
      4:52 AM 57 °F 55 °F 93 % N 12 mph 23 mph 29.43 in 0.02 in Light Rain
      5:00 AM 57 °F 55 °F 93 % NNE 10 mph 23 mph 29.43 in 0.01 in Light Rain
      5:14 AM 57 °F 55 °F 93 % NNE 12 mph 22 mph 29.43 in 0.01 in Light Rain
      5:52 AM 57 °F 55 °F 93 % NNE 10 mph 24 mph 29.44 in 0.04 in Light Rain
      6:52 AM 56 °F 55 °F 97 % N 12 mph 22 mph 29.45 in 0.04 in Light Rain
      7:17 AM 56 °F 55 °F 97 % NNE 10 mph 22 mph 29.46 in 0.03 in Rain
      7:43 AM 56 °F 54 °F 93 % NNE 12 mph 24 mph 29.46 in 0.07 in Heavy Rain
      7:49 AM 55 °F 54 °F 94 % NNE 8 mph 20 mph 29.46 in 0.08 in Rain
      7:52 AM 56 °F 54 °F 93 % N 12 mph 20 mph 29.46 in 0.08 in Rain
      8:14 AM 56 °F 54 °F 93 % NNE 13 mph 22 mph 29.46 in 0.05 in Heavy Rain
      8:31 AM 56 °F 54 °F 93 % NNE 14 mph 20 mph 29.47 in 0.09 in Heavy Rain
      8:50 AM 55 °F 54 °F 94 % N 10 mph 24 mph 29.47 in 0.13 in Heavy Rain
      8:52 AM 56 °F 54 °F 93 % NNE 12 mph 24 mph 29.47 in 0.14 in Heavy Rain
      9:16 AM 56 °F 54 °F 93 % VAR 7 mph 18 mph 29.47 in 0.06 in Heavy Rain
      9:40 AM 56 °F 54 °F 93 % NNE 13 mph 25 mph 29.48 in 0.13 in Heavy Rain
      9:52 AM 56 °F 54 °F 93 % N 13 mph 21 mph 29.48 in 0.16 in Heavy Rain
      10:02 AM 56 °F 54 °F 93 % NNE 13 mph 22 mph 29.48 in 0.04 in Heavy Rain
      10:30 AM 56 °F 54 °F 93 % NNE 9 mph 17 mph 29.48 in 0.13 in Heavy Rain
      10:52 AM 56 °F 54 °F 93 % NNE 12 mph 22 mph 29.48 in 0.22 in Heavy Rain
      11:02 AM 56 °F 54 °F 93 % NNE 8 mph 18 mph 29.49 in 0.04 in Heavy Rain
      11:08 AM 56 °F 54 °F 93 % NNE 8 mph 16 mph 29.49 in 0.06 in Heavy Rain
      11:23 AM 56 °F 55 °F 97 % NNE 10 mph - 29.49 in 0.12 in Heavy Rain
      11:33 AM 56 °F 54 °F 93 % NNE 8 mph - 29.5 in 0.16 in Rain
      11:52 AM 56 °F 55 °F 97 % N 8 mph - 29.5 in 0.25 in Light Rain
      12:02 PM 57 °F 55 °F 93 % - - 29.5 in 0.04 in Rain
      12:19 PM 57 °F 55 °F 93 % VAR 6 mph - 29.5 in 0.11 in Light Rain
      12:39 PM 57 °F 55 °F 93 % VAR 6 mph - 29.5 in 0.19 in Rain
      12:50 PM 57 °F 55 °F 94 % NNE 8 mph - 29.5 in 0.23 in Light Rain
      12:52 PM 57 °F 56 °F 96 % VAR 7 mph - 29.5 in 0.24 in Light Rain
      1:20 PM 57 °F 56 °F 96 % VAR 6 mph 20 mph 29.5 in 0.1 in Rain
      1:52 PM 58 °F 56 °F 93 % VAR 7 mph 22 mph 29.5 in 0.2 in Rain
      2:05 PM 58 °F 56 °F 93 % NNE 8 mph 18 mph 29.5 in 0.04 in Light Rain
      2:29 PM 58 °F 56 °F 93 % NNE 10 mph 20 mph 29.5 in 0.11 in Rain
      2:38 PM 58 °F 56 °F 93 % NE 12 mph 22 mph 29.5 in 0.14 in Light Rain
      2:52 PM 58 °F 56 °F 93 % NNE 10 mph 22 mph 29.51 in 0.18 in Light Rain
      3:07 PM 58 °F 56 °F 93 % - - 29.51 in 0.03 in Light Rain
      3:20 PM 58 °F 56 °F 93 % NE 12 mph 22 mph 29.51 in 0.06 in Light Rain
      3:33 PM 58 °F 56 °F 93 % VAR 6 mph 21 mph 29.51 in 0.07 in Light Rain
      3:52 PM 58 °F 56 °F 93 % NE 12 mph 18 mph 29.51 in 0.08 in Light Rain
      4:52 PM 58 °F 56 °F 93 % NNE 9 mph 20 mph 29.52 in 0.01 in Light Rain
      5:52 PM 57 °F 56 °F 96 % - - 29.53 in 0 in Mist
      6:14 PM 57 °F 56 °F 96 % NE 9 mph 16 mph 29.54 in 0.01 in Light Rain
      6:38 PM 57 °F 56 °F 96 % NE 12 mph 20 mph 29.55 in 0.01 in Light Rain
      6:52 PM 57 °F 56 °F 96 % NE 8 mph - 29.55 in 0.01 in Mist
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary