Live Weather & Forecast
Weather in Cohasset
Massachusetts, United States · Real-time conditions & 3-day outlook
9°C
Feels like 7°C
49°F / Feels 45°F
Partly cloudy
Cohasset, Massachusetts
🌞 Daytime
Updated: 2026-04-12 17:00
Humidity
46%
Wind
14.4 km/h SE
Wind Gust
20.8 km/h
Pressure
1030 mb
Visibility
16 km
UV Index
1
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
-2.7°C
Wind Degree
141°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
206.9 μg/m³
NO₂
10.5 μg/m³
O₃
94 μg/m³
SO₂
2.8 μg/m³
PM 2.5
8.1 μg/m³
PM 10
8.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Cohasset, Massachusetts
12 AM
7°
Clear
1 AM
5°
Clear
2 AM
4°
Clear
3 AM
3°
Clear
4 AM
2°
Clear
5 AM
2°
Clear
6 AM
2°
Clear
7 AM
4°
Sunny
8 AM
6°
Sunny
9 AM
7°
Sunny
10 AM
9°
Sunny
11 AM
11°
Sunny
12 PM
13°
Sunny
1 PM
14°
Sunny
2 PM
14°
Sunny
3 PM
14°
Sunny
4 PM
14°
Sunny
5 PM
9°
Partly cloudy
6 PM
11°
Overcast
7 PM
9°
Overcast
8 PM
8°
Overcast
9 PM
8°
Overcast
10 PM
7°
Overcast
11 PM
7°
Overcast
3-Day Forecast
Daily overview for Cohasset, Massachusetts
Today
Sunny
15°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 45%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:22 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
12°
/
6°
🌧️ 82% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 7.51 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:06 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
18°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:04 AM
🌇 Sunset: 07:24 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Cohasset
Plan your trip to Cohasset, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Cohasset?
Current conditions in Cohasset: Partly cloudy, temperature 9°C, humidity 46%.
What is the best time to visit Cohasset?
The best time to visit Cohasset is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Cohasset?
Cohasset is located at approximately 42.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Cohasset?
The wettest period in Cohasset is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Cohasset?
For visits to Cohasset during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Cohasset in?
Cohasset is located in United States, in the state of Massachusetts.
What are the public holidays in Cohasset in 2026?
View the 2026 public holidays for Cohasset on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cohasset?
The weather forecast for Cohasset uses coordinates 42.241, -70.8036.