Merrimac Weather Forecast
- 61
- 75
Chance Thunderstorms
- 60
- 76
Mostly Cloudy
- 61
- 82
Partly Sunny
- 64
- 84
Partly Sunny
- 66
- 86
Chance Rain Showers
- 68
- 86
Slight Chance Rain Showers
Today 26 Jun Western Essex
Partly sunny with a chance of Thunderstorms with a slight chance of Showers. Near steady temperature in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 40 percent.
Tonight 26 Jun Western Essex
Mostly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the lower 60s. Northeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.
Merrimac Temperature Statistics
June Temperature
Lawrence Municipal Airport (9.9 miles)
Lowest 2 June, 2026
44.1 °FAverage June
69.9 °FHighest 11 June, 2026
89.1 °F
Climate (2021–2026)
Lawrence Municipal Airport (9.9 miles)
Average Low 2021–2026
42.9 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
60.8 °F