South Acton, MA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Acton, MA in one place.
Sunny, with a high near 87. West wind 5 to 9 mph.
Local Weather Overview
This forecast page for South 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 8, 2026 12:55 PM EDT.
The active forecast window currently covers Aug 9 to Aug 14, 2026 for South Acton, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 9 to Aug 14, 2026
- Latest sync
- Aug 8, 2026 12:55 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Acton
Sunday looks like the warmest upcoming period in South Acton at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Sunday at about 5 to 9 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 8, 2026 12:55 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
Mostly clear, with a low around 65. West wind 5 to 8 mph.
Sunny, with a high near 85. West wind 2 to 7 mph.
A slight chance of rain showers between 11pm and 1am. Partly cloudy, with a low around 69. Southwest wind around 6 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. West wind 6 to 9 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. West wind around 6 mph. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 83. West wind around 6 mph.
A chance of rain showers. Partly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 30%.
A chance of rain showers. Mostly sunny, with a high near 83. West wind 3 to 8 mph. Chance of precipitation is 30%.
A chance of rain showers before 9pm. Partly cloudy, with a low around 62. West wind around 7 mph. Chance of precipitation is 30%.
Sunny, with a high near 81. West wind around 8 mph.
Mostly clear, with a low around 57. Northwest wind around 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Aug 9
|
Sunny
|
87°F |
5 to 9 mph
W
|
|
Sunday Night
Aug 9
|
Mostly Clear
|
65°F |
5 to 8 mph
W
|
|
Monday
Aug 10
|
Sunny
|
85°F |
2 to 7 mph
W
|
|
Monday Night
Aug 10
|
Slight Chance Rain Showers
|
69°F |
6 mph
SW
|
|
Tuesday
Aug 11
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
6 to 9 mph
W
|
|
Tuesday Night
Aug 11
|
Chance Showers And Thunderstorms
|
65°F |
6 mph
W
|
|
Wednesday
Aug 12
|
Slight Chance Rain Showers
|
83°F |
6 mph
W
|
|
Wednesday Night
Aug 12
|
Chance Rain Showers
|
63°F |
6 mph
W
|
|
Thursday
Aug 13
|
Chance Rain Showers
|
83°F |
3 to 8 mph
W
|
|
Thursday Night
Aug 13
|
Chance Rain Showers then Partly Cloudy
|
62°F |
7 mph
W
|
|
Friday
Aug 14
|
Sunny
|
81°F |
8 mph
W
|
|
Friday Night
Aug 14
|
Mostly Clear
|
57°F |
7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Acton.