Chelsea, MA Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chelsea, MA in one place.
Patchy fog before 9am. Sunny, with a high near 81. Southwest wind 2 to 12 mph.
Local Weather Overview
This forecast page for Chelsea, 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 23, 2026 4:06 AM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Chelsea, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 4:06 AM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chelsea
Thursday looks like the warmest upcoming period in Chelsea at 82 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Monday at about 2 to 12 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 4:06 AM 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
Clear, with a low around 58. Southwest wind 3 to 9 mph.
Sunny, with a high near 78. Southwest wind 3 to 9 mph.
Mostly clear, with a low around 57. West wind 3 to 8 mph.
Sunny, with a high near 81. West wind 3 to 7 mph.
Partly cloudy, with a low around 61. Southwest wind 1 to 6 mph.
Mostly sunny, with a high near 82. Southwest wind 1 to 9 mph.
A chance of rain showers between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 3 to 8 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 5pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. Southwest wind around 6 mph.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 82. West wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Patchy Fog then Sunny
|
81°F |
2 to 12 mph
SW
|
|
Monday Night
Aug 24
|
Clear
|
58°F |
3 to 9 mph
SW
|
|
Tuesday
Aug 25
|
Sunny
|
78°F |
3 to 9 mph
SW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
57°F |
3 to 8 mph
W
|
|
Wednesday
Aug 26
|
Sunny
|
81°F |
3 to 7 mph
W
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
61°F |
1 to 6 mph
SW
|
|
Thursday
Aug 27
|
Mostly Sunny
|
82°F |
1 to 9 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Rain Showers
|
65°F |
3 to 8 mph
S
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
82°F |
3 to 7 mph
S
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
65°F |
6 mph
SW
|
|
Saturday
Aug 29
|
Mostly Sunny then Slight Chance Rain Showers
|
82°F |
6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chelsea.
