New London Weather Forecast
- 62
- 79
Becoming Sunny
- 68
- 82
Mostly Sunny
- 73
- 85
Mostly Sunny
- 72
- 89
Slight Chance Rain Showers
- 69
- 86
Chance Rain Showers
- 68
- 82
Chance Rain Showers
Today 22 Jul Southern New London
Sunny. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming southeast in the afternoon.
Tonight 22 Jul Southern New London
Partly cloudy. Lows in the upper 50s. Northeast Winds around 5 Mph.
New London Temperature Statistics
July Temperature
Groton / New London, Groton / New London Airport (3.1 miles)
Lowest 5 July, 2025
63 °FAverage July
74.8 °FHighest 8 July, 2025
86 °F
Climate (2020–Present)
Groton / New London, Groton / New London Airport (3.1 miles)
Average Low 2020–2025
45.8 °FAverage 2020–2025
53.6 °FAverage High 2020–2025
61.2 °F