Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

69°F

21°C

Humidity	96%
Wind Speed	Calm
Barometer	29.93 in (1013.6 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	1 Aug 1:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles ENE Hadlyme CT

Overnight
Low: 63 °F
Patchy Fog
Saturday
High: 83 °F
Patchy Fog
then Partly
Sunny
Saturday Night
Low: 67 °F
Mostly Cloudy
Sunday
High: 81 °F
Partly Sunny
Sunday Night
Low: 68 °F
Slight Chance
Showers then
Showers
Likely
Monday
High: 81 °F
Heavy Rain
Monday Night
Low: 66 °F
Heavy Rain
Tuesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 65 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

Patchy fog. Otherwise, partly cloudy, with a low around 63. Calm wind.

Saturday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning.

Saturday Night

Mostly cloudy, with a low around 67. South wind 5 to 7 mph.

Sunday

Partly sunny, with a high near 81. South wind 5 to 10 mph.

Sunday Night

A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 81. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

A 40 percent chance of showers. Partly sunny, with a high near 83.

Wednesday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 68.

Thursday

A 40 percent chance of showers. Partly sunny, with a high near 85.

Thursday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 69.