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      Elev 122 ft, 42.407 °N 71.036 °W

      Chelsea, MA

      Chelsea Station
      Updated: 3:40 PM EDT on August 22, 2026 (GMT -4)
      9 minutes ago
      73°
      64°
      70
      Feels Like 70
      Cloudy
      N
      10
      Gusts 18 mph
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Sat 08/22
      Low 64°f
      23% Precip. / 0 in
      Overcast. Slight chance of a rain shower. Low 64F. Winds NNE at 5 to 10 mph.
      Tomorrow
      Sun 08/23
      High 73°f
      45% Precip. / 0.01 in
      Considerable cloudiness. Occasional rain showers in the afternoon. High 73F. Winds ESE at 5 to 10 mph. Chance of rain 50%.
      Tomorrow night
      Sun 08/23
      Low 66°f
      24% Precip. / 0 in
      Cloudy early with partial clearing expected late. Low 66F. Winds SSW at 5 to 10 mph.
      Hourly Forecast
      Now
      69°
      4PM
      69°
      5PM
      68°
      6PM
      67°
      7PM
      67°
      7:34PM
      Sunset
      8PM
      67°
      9PM
      66°
      10PM
      66°
      11PM
      65°
      12AM
      65°
      1AM
      65°
      2AM
      65°
      3AM
      65°
      4AM
      65°
      5AM
      65°
      5:59AM
      Sunrise
      6AM
      65°
      7AM
      66°
      8AM
      67°
      9AM
      68°
      10AM
      69°
      11AM
      71°
      12PM
      73°
      1PM
      73°
      2PM
      73°
      3PM
      72°
      Precipitation
      24%
      Pollen
      Grass Pollen
      Moderate
      Air Quality
      56
      Moderate
      UV Index
      2
      Low
      Additional Conditions
      1. Pressure 30.02 in
      2. Visibility 8 miles
      3. Clouds Cloudy
      4. Dew Point63°F
      5. Humidity 81%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KBOS Station History
      Almanac for August 22, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 73°F 80°F 93°F 2019
      4. Low 64°F 65°F 47°F 1894
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 23, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 73°F 80°F 96°F
      4. Low 64°F 64°F 49°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 5:58 AM 7:34 PM
      3. Civil Twilight 5:29 AM 8:04 PM
      4. Nautical Twilight 4:53 AM 8:39PM
      5. Astronomical Twilight 4:14 AM 9:18 PM
      1. Length of Visible Light 14h 35m
      2. Length of Day 13h 35m
      3. Tomorrow will be 2 minutes 40 seconds shorter
      1. Moon 4:35 PM 12:07 AM
      2. Waxing Gibbous75% 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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