Cohasset, MA Weather Forecast

Local 7-day forecast

70°
F

Patchy Fog

Track current conditions, temperature changes, wind, and the full daily outlook for Cohasset, MA in one place.

Friday, July 10, 2026
Wind: 5 mph SW
Overnight

Patchy fog. Mostly cloudy, with a low around 70. Southwest wind around 5 mph.

Local 7-day forecast

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 10, 2026 7:10 AM EDT.

The active forecast window currently covers Jul 10 to Jul 16, 2026 for Cohasset, MA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 10 to Jul 16, 2026
Latest sync
Jul 10, 2026 7:10 AM EDT
Forecast office
BOX
Source
NOAA / NWS
Next High
90°F
Friday
Next Low
70°F
Overnight
Rain Outlook
5
Periods mentioning precipitation
Windiest
7 to 14 mph
Tuesday

Daily Outlook

Today
Jul 10
Patchy Fog then Chance Showers And Thunderstorms
90 °F
/ 70°F
Wind 6 mph
Sat
Jul 11
Slight Chance Rain Showers then Mostly Sunny
84 °F
/ 62°F
Wind 3 to 8 mph
Sun
Jul 12
Sunny
82 °F
/ 63°F
Wind 3 to 7 mph
Mon
Jul 13
Sunny
85 °F
/ 66°F
Wind 1 to 13 mph
Tue
Jul 14
Sunny
91 °F
/ 73°F
Wind 7 to 14 mph
Wed
Jul 15
Mostly Sunny then Slight Chance Showers And Thunderstorms
96 °F
/ 72°F
Wind 8 to 13 mph
Thu
Jul 16
Mostly Sunny
92 °F
Wind 3 to 9 mph

This Week in Cohasset

Wednesday looks like the warmest upcoming period in Cohasset at 96 degrees F.

Saturday Night is the coolest period ahead with temperatures near 62 degrees F.

The strongest winds are forecast for Tuesday at about 7 to 14 mph SW.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Jul 10, 2026 7:10 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 source

Extended Forecast

Friday
Jul 10
90°F
Patchy Fog then Chance Showers And Thunderstorms
6 mph NW

Patchy fog before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 98. Northwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Jul 10
67°F
Chance Showers And Thunderstorms
3 mph NE

A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Saturday
Jul 11
84°F
Slight Chance Rain Showers then Mostly Sunny
3 to 8 mph NE

A slight chance of rain showers before 7am. Mostly sunny, with a high near 84. Northeast wind 3 to 8 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
Jul 11
62°F
Mostly Clear
0 to 6 mph NE

Mostly clear, with a low around 62. Northeast wind 0 to 6 mph.

Sunday
Jul 12
82°F
Sunny
3 to 7 mph NE

Sunny, with a high near 82. Northeast wind 3 to 7 mph.

Sunday Night
Jul 12
63°F
Mostly Clear
1 to 6 mph S

Mostly clear, with a low around 63. South wind 1 to 6 mph.

Monday
Jul 13
85°F
Sunny
1 to 13 mph SW

Sunny, with a high near 85. Southwest wind 1 to 13 mph.

Monday Night
Jul 13
66°F
Mostly Clear
7 to 12 mph SW

Mostly clear, with a low around 66. Southwest wind 7 to 12 mph.

Tuesday
Jul 14
91°F
Sunny
7 to 14 mph SW

Sunny, with a high near 91. Southwest wind 7 to 14 mph.

Tuesday Night
Jul 14
73°F
Mostly Clear
9 to 14 mph SW

Mostly clear, with a low around 73. Southwest wind 9 to 14 mph.

Wednesday
Jul 15
96°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
8 to 13 mph SW

A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Southwest wind 8 to 13 mph.

Wednesday Night
Jul 15
72°F
Slight Chance Showers And Thunderstorms
3 to 12 mph W

A slight chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 72. West wind 3 to 12 mph.

Thursday
Jul 16
92°F
Mostly Sunny
3 to 9 mph W

Mostly sunny, with a high near 92. West wind 3 to 9 mph.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 10
Patchy Fog
70°F
5 mph
SW
Friday
Jul 10
Patchy Fog then Chance Showers And Thunderstorms
90°F
6 mph
NW
Friday Night
Jul 10
Chance Showers And Thunderstorms
67°F
3 mph
NE
Saturday
Jul 11
Slight Chance Rain Showers then Mostly Sunny
84°F
3 to 8 mph
NE
Saturday Night
Jul 11
Mostly Clear
62°F
0 to 6 mph
NE
Sunday
Jul 12
Sunny
82°F
3 to 7 mph
NE
Sunday Night
Jul 12
Mostly Clear
63°F
1 to 6 mph
S
Monday
Jul 13
Sunny
85°F
1 to 13 mph
SW
Monday Night
Jul 13
Mostly Clear
66°F
7 to 12 mph
SW
Tuesday
Jul 14
Sunny
91°F
7 to 14 mph
SW
Tuesday Night
Jul 14
Mostly Clear
73°F
9 to 14 mph
SW
Wednesday
Jul 15
Mostly Sunny then Slight Chance Showers And Thunderstorms
96°F
8 to 13 mph
SW
Wednesday Night
Jul 15
Slight Chance Showers And Thunderstorms
72°F
3 to 12 mph
W
Thursday
Jul 16
Mostly Sunny
92°F
3 to 9 mph
W
Cohasset common%3B2007-08-03
Cohasset common%3B2007-08-03 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.