Merrimac Weather Forecast
- 46
- 64
Mostly Cloudy
- 42
- 60
Rain Likely
- 37
- 68
Chance Rain
- 33
- 43
Rain/Snow Likely
- 35
- 44
Rain Likely
- 36
- 47
Chance Rain
Today 30 Mar Western Essex
Mostly cloudy. Not as cool with Highs in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 30 Mar Western Essex
Mostly cloudy. A chance of rain after midnight. Not as cool with Lows in the upper 40s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 40 percent.
Merrimac Temperature Statistics
March Temperature
Lawrence Municipal Airport (9.9 miles)
Lowest 2 March, 2026
6.1 °FAverage March
38.4 °FHighest 10 March, 2026
73 °F
Climate (2021–Present)
Lawrence Municipal Airport (9.9 miles)
Average Low 2021–2026
42.9 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
60.9 °F