Haley Farm State Park Weather Forecast
- 69
- 85
Rain Showers Likely
- 66
- 81
Partly Sunny
- 68
- 77
Chance Rain Showers
- 69
- 83
Mostly Sunny
- 71
- 86
Slight Chance Thunderstorms
- 67
- 84
Chance Rain Showers
Today 25 Jul Southern New London
Partly sunny. A chance of Thunderstorms with a slight chance of Showers in the afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall in the afternoon. Humid with Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent. Heat index Values up to 100.
Tonight 25 Jul Southern New London
Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows around 70. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 60 percent.
Haley Farm State Park Temperature Statistics
July Temperature
Groton / New London, Groton / New London Airport (1.9 miles)
Lowest 22 July, 2025
61 °FAverage July
74.7 °FHighest 8 July, 2025
86 °F
Climate (2020–Present)
Groton / New London, Groton / New London Airport (1.9 miles)
Average Low 2020–2025
45.8 °FAverage 2020–2025
53.6 °FAverage High 2020–2025
61.2 °F