NWS Forecast for New London CT

National Weather Service Forecast for: New London CT
Issued by: National Weather Service New York, NY

Updated: 2:24 am EDT Jun 30, 2026

Overnight Partly Cloudy	Tuesday Mostly Sunny	Tuesday Night Slight Chance T-storms	Wednesday Mostly Sunny then Slight Chance T-storms	Wednesday Night Partly Cloudy	Thursday Sunny	Thursday Night Clear	Friday Sunny	Friday Night Mostly Clear
Lo 63 °F	Hi 85 °F	Lo 68 °F	Hi 88 °F	Lo 70 °F	Hi 96 °F	Lo 74 °F	Hi 96 °F	Lo 73 °F

Hazardous Weather Outlook
Extreme Heat Watch

Overnight	Partly cloudy, with a low around 63. Calm wind.
Tuesday	Mostly sunny, with a high near 85. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night	A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind 6 to 8 mph.
Wednesday	A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind 9 to 13 mph.
Wednesday Night	Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph.
Thursday	Sunny, with a high near 96.
Thursday Night	Clear, with a low around 74.
Friday	Sunny, with a high near 96.
Friday Night	Mostly clear, with a low around 73.
Independence Day	A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 94.
Saturday Night	A 30 percent chance of showers. Partly cloudy, with a low around 70.
Sunday	Mostly sunny, with a high near 91.
Sunday Night	A 30 percent chance of showers. Partly cloudy, with a low around 68.
Monday	A 30 percent chance of showers. Partly sunny, with a high near 86.

Forecast from NOAA-NWS for New London CT.