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      Elev 63 ft, 42.834 °N 71.008 °W

      Merrimac, MA

      Thu, Oct 29, 2026
      Today
      Thu 10/29
      High 68°f
      3% Precip. / 0 in
      Plenty of sunshine. Warm. High 68F. Winds SW at 10 to 15 mph.
      Tonight
      Thu 10/29
      Low 53°f
      21% Precip. / 0 in
      Some clouds. Low 53F. Winds SW at 5 to 10 mph.
      Sunrise 7:14 AM
      Sunset 5:40 PM
      Moonrise 8:10 PM
      Moonset 11:39 AM
      Waning Gibbous, 80% visible
      Hourly Forecast
      Now
      45°
      4AM
      45°
      5AM
      45°
      6AM
      44°
      7AM
      43°
      7:14AM
      Sunrise
      8AM
      44°
      9AM
      48°
      10AM
      53°
      11AM
      57°
      12PM
      62°
      1PM
      65°
      2PM
      67°
      3PM
      67°
      4PM
      67°
      5PM
      65°
      5:40PM
      Sunset
      6PM
      61°
      7PM
      60°
      8PM
      59°
      9PM
      57°
      10PM
      56°
      11PM
      56°
      12AM
      56°
      1AM
      55°
      2AM
      55°
      3AM
      55°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      4:00 am
      Mostly Clear
      45°F 42°F 3% 0in 28% 40°F 83% 5 mph SW 30.27in
      5:00 am
      Clear
      45°F 42°F 3% 0in 17% 40°F 85% 5 mph SW 30.27in
      6:00 am
      Clear
      44°F 41°F 3% 0in 14% 41°F 87% 5 mph SW 30.26in
      7:00 am
      Clear
      43°F 39°F 3% 0in 7% 41°F 92% 5 mph SW 30.25in
      8:00 am
      Sunny
      44°F 41°F 3% 0in 11% 42°F 92% 6 mph SW 30.24in
      9:00 am
      Sunny
      48°F 45°F 2% 0in 11% 44°F 88% 7 mph SW 30.23in
      10:00 am
      Sunny
      53°F 50°F 2% 0in 2% 47°F 79% 8 mph SW 30.21in
      11:00 am
      Sunny
      57°F 56°F 2% 0in 1% 47°F 69% 9 mph SW 30.19in
      12:00 pm
      Sunny
      62°F 61°F 1% 0in 1% 48°F 59% 10 mph SW 30.16in
      1:00 pm
      Sunny
      65°F 65°F 0% 0in 1% 47°F 52% 11 mph SW 30.12in
      2:00 pm
      Sunny
      67°F 67°F 0% 0in 1% 47°F 48% 12 mph SW 30.09in
      3:00 pm
      Sunny
      67°F 67°F 1% 0in 1% 47°F 48% 11 mph SW 30.06in
      4:00 pm
      Sunny
      67°F 67°F 1% 0in 1% 47°F 49% 11 mph SW 30.05in
      5:00 pm
      Sunny
      65°F 65°F 1% 0in 1% 47°F 52% 9 mph SW 30.03in
      6:00 pm
      Clear
      61°F 61°F 2% 0in 1% 48°F 61% 8 mph SSW 30.03in
      7:00 pm
      Clear
      60°F 59°F 3% 0in 9% 48°F 65% 8 mph SSW 30.03in
      8:00 pm
      Clear
      59°F 57°F 3% 0in 17% 49°F 69% 8 mph SW 30.02in
      9:00 pm
      Mostly Clear
      57°F 56°F 4% 0in 20% 49°F 73% 8 mph SW 30.01in
      10:00 pm
      Mostly Clear
      56°F 55°F 8% 0in 22% 49°F 76% 8 mph SW 30in
      11:00 pm
      Partly Cloudy
      56°F 54°F 6% 0in 31% 49°F 78% 8 mph SW 29.99in
      Additional Conditions
      1. Pressure 30.29 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point39°F
      5. Humidity 81%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KLWM Station History
      Almanac for October 29, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 68°F 57°F 81°F 2023
      4. Low 41°F 35°F 25°F 2013
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.3 in -
      7. Snow 0 in 0 in -
      Almanac for October 30, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 66°F 57°F 79°F
      4. Low 44°F 35°F 22°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:14 AM 5:40 PM
      3. Civil Twilight 6:45 AM 6:09 PM
      4. Nautical Twilight 6:11 AM 6:42PM
      5. Astronomical Twilight 5:39 AM 7:15 PM
      1. Length of Visible Light 11h 24m
      2. Length of Day 10h 25m
      3. Tomorrow will be 2 minutes 36 seconds shorter
      1. Moon 8:10 PM 11:39 AM
      2. Waning Gibbous80% of the Moon is Illuminated
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary