Current conditions at
Lawrence Municipal Airport (KLWM)
Lat: 42.71°NLon: 71.13°WElev: 135ft.
Mostly Cloudy
77°F
25°C
| Humidity | 85% |
| Wind Speed | W 13 G 21 mph |
| Barometer | 29.72 in (1006.1 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 3 Aug 5:54 pm EDT |
Extended Forecast for
Merrimac MA
Tonight
Low: 59 °F
Showers
Likely and
Patchy Fog
then ClearTuesday

High: 84 °F
Sunny
Tuesday Night

Low: 60 °F
Mostly Clear
Wednesday

High: 83 °F
Partly Sunny
Wednesday Night

Low: 64 °F
Partly Cloudy
Thursday

High: 86 °F
Mostly Sunny
Thursday Night

Low: 70 °F
Partly Cloudy
Friday

High: 88 °F
Mostly Sunny
Friday Night
Low: 69 °F
Chance
Showers then
Partly Cloudy
Detailed Forecast
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Patchy fog before 7pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 59. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 84. West wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 60. Light southwest wind.
Wednesday
Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Light southwest wind.
Thursday
Mostly sunny, with a high near 86. Southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 70. Light southwest wind.
Friday
Mostly sunny, with a high near 88. West wind around 6 mph.
Friday Night
A chance of showers before 9pm. Partly cloudy, with a low around 69. Light west wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. Light west wind.
Saturday Night
A chance of showers. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 87. West wind 3 to 7 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Merrimac MA
42.84°N 71.01°W (Elev. 135 ft)
42.84°N 71.01°W (Elev. 135 ft)
3:42 pm EDT Aug 3, 2026
6pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026


