Cohasset, MA Weather Forecast
Local 7-day forecast
Areas Of Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cohasset, MA in one place.
Areas of fog before 8am. Sunny, with a high near 82. Southwest wind 3 to 14 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Cohasset, 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 5:43 PM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Cohasset, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 5:43 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cohasset
Saturday looks like the warmest upcoming period in Cohasset at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Monday at about 3 to 14 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 5:43 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
Patchy fog after 1am. Partly cloudy, with a low around 58. Southwest wind 2 to 10 mph.
Patchy fog before 7am. Sunny, with a high near 80. Southwest wind 3 to 12 mph.
Mostly clear, with a low around 59. West wind 3 to 9 mph.
Sunny, with a high near 82. West wind 3 to 8 mph.
Mostly clear, with a low around 63. Southwest wind 1 to 7 mph.
Mostly sunny, with a high near 82. Southwest wind 1 to 12 mph.
A chance of rain showers after 7pm. Mostly cloudy, with a low around 67. South wind 6 to 9 mph. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 6 to 10 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Southwest wind 1 to 8 mph.
Mostly sunny, with a high near 84. West wind 2 to 6 mph.
Mostly clear, with a low around 60. Northwest wind 1 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Areas Of Fog then Sunny
|
82°F |
3 to 14 mph
SW
|
|
Monday Night
Aug 24
|
Partly Cloudy then Patchy Fog
|
58°F |
2 to 10 mph
SW
|
|
Tuesday
Aug 25
|
Patchy Fog then Sunny
|
80°F |
3 to 12 mph
SW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
59°F |
3 to 9 mph
W
|
|
Wednesday
Aug 26
|
Sunny
|
82°F |
3 to 8 mph
W
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
63°F |
1 to 7 mph
SW
|
|
Thursday
Aug 27
|
Mostly Sunny
|
82°F |
1 to 12 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Rain Showers
|
67°F |
6 to 9 mph
S
|
|
Friday
Aug 28
|
Chance Rain Showers
|
83°F |
6 to 10 mph
S
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
65°F |
1 to 8 mph
SW
|
|
Saturday
Aug 29
|
Mostly Sunny
|
84°F |
2 to 6 mph
W
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
60°F |
1 to 6 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cohasset.
