Cohasset Harbor - Cohasset Cove Weather Forecast
- 66
- 85
Severe Tstms
- 59
- 77
Sunny
- 58
- 77
Mostly Sunny
- 67
- 82
Partly Sunny
- 72
- 88
Partly Sunny
- 72
- 95
Slight Chance Thunderstorms
- 68
- 84
Slight Chance Thunderstorms
Today 20 Jul Eastern Plymouth
Mostly sunny. Near steady temperature around 80. South Winds around 10 Mph.
Tonight 20 Jul Eastern Plymouth
Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Patchy fog. Some Thunderstorms may be severe with damaging Winds, frequent Lightning, and heavy rainfall. Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.
Cohasset Harbor - Cohasset Cove Temperature Statistics
July Temperature
Marshfield Airport (11.2 miles)
Lowest 5 July, 2025
55.4 °FAverage July
74.3 °FHighest 1 July, 2025
89.6 °F
Climate (2020–Present)
Marshfield Airport (11.2 miles)
Average Low 2020–2025
44.8 °FAverage 2020–2025
53 °FAverage High 2020–2025
60.8 °F