Cohasset, MA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Cohasset, MA in one place.
A slight chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 90. West wind around 7 mph. Chance of precipitation is 70%.
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: Jul 8, 2026 12:48 PM EDT.
The active forecast window currently covers Jul 10 to Jul 14, 2026 for Cohasset, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 14, 2026
- Latest sync
- Jul 8, 2026 12:48 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cohasset
Friday looks like the warmest upcoming period in Cohasset at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 14 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 8, 2026 12:48 PM EDT
- Coverage
- 5 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
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm. Mostly cloudy, with a low around 68. Northwest wind 1 to 5 mph. Chance of precipitation is 60%.
Mostly sunny, with a high near 86. Northeast wind 5 to 8 mph.
Mostly clear, with a low around 64. Northwest wind 0 to 5 mph.
Sunny, with a high near 86. Northeast wind 1 to 7 mph.
Mostly clear, with a low around 65. South wind 1 to 6 mph.
Mostly sunny, with a high near 86. Southwest wind 1 to 13 mph.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 67. Southwest wind 6 to 12 mph.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 88. Southwest wind 6 to 14 mph.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 70. Southwest wind 6 to 13 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Showers And Thunderstorms Likely
|
90°F |
7 mph
W
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
68°F |
1 to 5 mph
NW
|
|
Saturday
Jul 11
|
Mostly Sunny
|
86°F |
5 to 8 mph
NE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
64°F |
0 to 5 mph
NW
|
|
Sunday
Jul 12
|
Sunny
|
86°F |
1 to 7 mph
NE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
65°F |
1 to 6 mph
S
|
|
Monday
Jul 13
|
Mostly Sunny
|
86°F |
1 to 13 mph
SW
|
|
Monday Night
Jul 13
|
Partly Cloudy then Slight Chance Rain Showers
|
67°F |
6 to 12 mph
SW
|
|
Tuesday
Jul 14
|
Slight Chance Rain Showers then Mostly Sunny
|
88°F |
6 to 14 mph
SW
|
|
Tuesday Night
Jul 14
|
Slight Chance Rain Showers then Partly Cloudy
|
70°F |
6 to 13 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cohasset.
