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 80. Northwest wind 6 to 10 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: Jun 24, 2026 9:45 AM EDT.
The active forecast window currently covers Jun 24 to Jun 30, 2026 for South Acton, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 24 to Jun 30, 2026
- Latest sync
- Jun 24, 2026 9:45 AM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Acton
Monday looks like the warmest upcoming period in South Acton at 84 degrees F.
Tonight is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Today at about 6 to 10 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 24, 2026 9:45 AM EDT
- Coverage
- 7 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 57. West wind 2 to 9 mph.
Mostly sunny, with a high near 82. West wind 2 to 6 mph.
Rain showers likely between 9pm and 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Southwest wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely. Partly sunny, with a high near 80. Southwest wind 3 to 9 mph. Chance of precipitation is 70%.
A chance of rain showers. Mostly cloudy, with a low around 61. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 79. North wind around 5 mph. Chance of precipitation is 50%.
A slight chance of rain showers before 9pm. Partly cloudy, with a low around 62. North wind around 5 mph.
Sunny, with a high near 83. North wind around 6 mph.
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Sunny, with a high near 84. West wind around 5 mph.
Partly cloudy, with a low around 65. Southwest wind around 5 mph.
A slight chance of rain showers between 1pm and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southwest wind around 6 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. South wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 24
|
Sunny
|
80°F |
6 to 10 mph
NW
|
|
Tonight
Jun 24
|
Mostly Clear
|
57°F |
2 to 9 mph
W
|
|
Thursday
Jun 25
|
Mostly Sunny
|
82°F |
2 to 6 mph
W
|
|
Thursday Night
Jun 25
|
Rain Showers Likely
|
60°F |
1 to 5 mph
SW
|
|
Friday
Jun 26
|
Showers And Thunderstorms Likely
|
80°F |
3 to 9 mph
SW
|
|
Friday Night
Jun 26
|
Chance Rain Showers
|
61°F |
3 to 7 mph
SW
|
|
Saturday
Jun 27
|
Chance Rain Showers
|
79°F |
5 mph
N
|
|
Saturday Night
Jun 27
|
Slight Chance Rain Showers then Partly Cloudy
|
62°F |
5 mph
N
|
|
Sunday
Jun 28
|
Sunny
|
83°F |
6 mph
N
|
|
Sunday Night
Jun 28
|
Mostly Clear
|
62°F |
5 mph
SW
|
|
Monday
Jun 29
|
Sunny
|
84°F |
5 mph
W
|
|
Monday Night
Jun 29
|
Partly Cloudy
|
65°F |
5 mph
SW
|
|
Tuesday
Jun 30
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
6 mph
SW
|
|
Tuesday Night
Jun 30
|
Chance Showers And Thunderstorms
|
65°F |
6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Acton.