Chelmsford Weather Forecast
- 38
- 59
Increasing Clouds
- 41
- 58
Rain
- 35
- 46
Rain
- 30
- 59
Partly Sunny
- 28
- 46
Partly Sunny
- 35
- 46
Rain Likely
- 33
- 51
Slight Chance Snow Showers
Today 19 Mar Central Middlesex County
Mostly sunny. Near steady temperature in the mid 50s. East Winds around 5 Mph.
Tonight 19 Mar Central Middlesex County
Mostly cloudy. Patchy drizzle this Evening, then a slight chance of rain with patchy drizzle after midnight. Patchy fog. Not as cool with Lows in the upper 30s. East Winds around 5 Mph. Chance of rain 20 percent.
Chelmsford Temperature Statistics
March Temperature
Laurence G Hanscom Field Airport (9.3 miles)
Lowest 3 March, 2025
8.9 °FAverage March
40.6 °FHighest 16 March, 2025
70 °F
Climate (2020–Present)
Laurence G Hanscom Field Airport (9.3 miles)
Average Low 2020–2025
41.7 °FAverage 2020–2025
51.9 °FAverage High 2020–2025
61.9 °F