Acton, MA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Acton, MA in one place.
Mostly sunny, with a high near 79. West wind around 5 mph.
Local Weather Overview
This forecast page for Acton, 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: Aug 25, 2026 12:59 PM EDT.
The active forecast window currently covers Aug 26 to Aug 31, 2026 for Acton, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 26 to Aug 31, 2026
- Latest sync
- Aug 25, 2026 12:59 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Acton
Monday looks like the warmest upcoming period in Acton at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Thursday at about 3 to 10 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 25, 2026 12:59 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
Partly cloudy, with a low around 62. Southwest wind around 5 mph.
Partly sunny, with a high near 79. Southwest wind 3 to 10 mph.
A chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 3 to 8 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 61. West wind around 5 mph. Chance of precipitation is 40%.
Mostly sunny, with a high near 79. Northwest wind around 5 mph.
Partly cloudy, with a low around 58. Northwest wind around 3 mph.
Mostly sunny, with a high near 80. West wind 2 to 6 mph.
Partly cloudy, with a low around 62. Southwest wind around 6 mph.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 82. Southwest wind around 8 mph.
A chance of rain showers before 2am. Partly cloudy, with a low around 64. West wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 26
|
Mostly Sunny
|
79°F |
5 mph
W
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
62°F |
5 mph
SW
|
|
Thursday
Aug 27
|
Partly Sunny
|
79°F |
3 to 10 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Rain Showers
|
64°F |
3 to 8 mph
S
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
80°F |
5 mph
SW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
61°F |
5 mph
W
|
|
Saturday
Aug 29
|
Mostly Sunny
|
79°F |
5 mph
NW
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
58°F |
3 mph
NW
|
|
Sunday
Aug 30
|
Mostly Sunny
|
80°F |
2 to 6 mph
W
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
62°F |
6 mph
SW
|
|
Monday
Aug 31
|
Mostly Sunny then Slight Chance Rain Showers
|
82°F |
8 mph
SW
|
|
Monday Night
Aug 31
|
Chance Rain Showers
|
64°F |
6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Acton.
