Chelmsford, MA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chelmsford, MA in one place.
Sunny, with a high near 67. Southwest wind 5 to 13 mph.
Local Weather Overview
This forecast page for Chelmsford, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 5:01 PM EDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Chelmsford, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:01 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chelmsford
Tuesday looks like the warmest upcoming period in Chelmsford at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 5 to 13 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:01 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 11pm. Mostly cloudy, with a low around 46. Southwest wind 7 to 13 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Sunny, with a high near 58. Northwest wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 35. Northwest wind 2 to 9 mph.
Mostly sunny, with a high near 58. West wind 2 to 8 mph.
A chance of rain showers after 9pm. Mostly cloudy, with a low around 44. South wind 7 to 10 mph. Chance of precipitation is 40%.
A chance of rain showers before 4pm. Mostly cloudy, with a high near 71. Southwest wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
A slight chance of rain showers between 7pm and 3am. Mostly cloudy, with a low around 58. West wind 6 to 9 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 80. West wind around 8 mph.
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 57. Southwest wind around 7 mph.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 74. Northeast wind 6 to 9 mph.
A chance of rain showers. Mostly cloudy, with a low around 53. South wind around 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Sunny
|
67°F |
5 to 13 mph
SW
|
|
Friday Night
Apr 10
|
Chance Rain Showers
|
46°F |
7 to 13 mph
SW
|
|
Saturday
Apr 11
|
Slight Chance Rain Showers then Sunny
|
58°F |
8 to 12 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
35°F |
2 to 9 mph
NW
|
|
Sunday
Apr 12
|
Mostly Sunny
|
58°F |
2 to 8 mph
W
|
|
Sunday Night
Apr 12
|
Chance Rain Showers
|
44°F |
7 to 10 mph
S
|
|
Monday
Apr 13
|
Chance Rain Showers
|
71°F |
12 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Rain Showers
|
58°F |
6 to 9 mph
W
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
80°F |
8 mph
W
|
|
Tuesday Night
Apr 14
|
Slight Chance Rain Showers
|
57°F |
7 mph
SW
|
|
Wednesday
Apr 15
|
Mostly Cloudy then Slight Chance Rain Showers
|
74°F |
6 to 9 mph
NE
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
53°F |
8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chelmsford.
