Ocean Beach Weather Forecast
- 32
- 40
Decreasing Clouds
- 36
- 43
Increasing Clouds
- 41
- 45
Mostly Cloudy
- 46
- 51
Rain Likely
- 27
- 50
Slight Chance Rain/Snow
- 32
- 38
Mostly Sunny
- 36
- 44
Partly Sunny
Today 23 Mar Southern New London
Mostly cloudy with a chance of rain Showers with a slight chance of snow Showers. Near steady temperature around 40. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 30 percent.
Tonight 23 Mar Southern New London
Mostly cloudy with a slight chance of rain Showers this Evening, then partly cloudy after midnight. Lows in the upper 20s. North Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 20 percent.
Ocean Beach Temperature Statistics
March Temperature
Groton / New London, Groton / New London Airport (2.5 miles)
Lowest 3 March, 2026
12 °FAverage March
38 °FHighest 9 March, 2026
63 °F
Climate (2021–Present)
Groton / New London, Groton / New London Airport (2.5 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
53.2 °FAverage High 2021–2026
60.8 °F