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Old Lyme, CT Weather Forecast

Lower Connecticut River Valley Planning Region, Connecticut

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Live radar, warnings and storm tracking for Old Lyme, with free alerts the moment it counts.

Conditions now · Sat, 11:56 PM EST
38°FDewpoint 31°FPartly cloudy

Measured at KGON · Groton-New London Arpt, CT · airport · 13 mi away · 10 minutes ago

Old Lyme, CT at Sat, 11:56 PM EST: 38°F and partly cloudy, measured at KGON (Groton-New London Arpt, CT) 13 mi away, 10 minutes ago. Today: high 52°F, low 32°F, 1% chance of precipitation. No active National Weather Service alerts for this location.

Radar and alerts

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The next few hours

A dry overnight, partly cloudy

It is 36°, but the wind is taking it down to 30° on exposed skin. The sky is partly cloudy.

Nothing in the next day and a half is wet enough to move plans for.

Hour by hour

Quiet through the next day and a half

Nothing wet is expected over the next day and a half.

The overnight low settles near 32°. Tomorrow tops out near 52°.

12 AMPartly cloudy36°F1%
1 AMPartly cloudy36°F1%
2 AMPartly cloudy35°F1%
3 AMPartly cloudy34°F1%
4 AMPartly cloudy33°F1%
5 AMMostly sunny32°F1%
6 AMMostly sunny32°F1%
7 AMClear32°F1%
8 AMClear38°F1%
9 AMClear43°F1%
10 AMClear47°F1%
11 AMClear49°F1%

Seven-day outlook

32–61°F across the week
TodayNov 15Mostly sunny · 1% chance of rain32°F / 52°F
MonNov 16Mostly sunny · 1% chance of rain32°F / 52°F
TueNov 17Clear · 0% chance of rain32°F / 56°F
WedNov 18Clear · 0% chance of rain38°F / 59°F
ThuNov 19Mostly sunny · 0% chance of rain39°F / 60°F
FriNov 20Mostly sunny · 0% chance of rain41°F / 61°F
SatNov 21Mostly sunny · 0% chance of rain41°F / 59°F
SunNov 22Partly cloudy · 7% chance of rain44°F / 61°F
MonNov 23Partly cloudy · 10% chance of rain45°F / 59°F
TueNov 24Partly cloudy · 13% chance of rain41°F / 55°F
WedNov 25Partly cloudy · 19% chance of rain40°F / 55°F

The week runs between 32° and 61°, with Friday the warmest day of it. There is no real trend across it: one day looks much like the next. Every day in the outlook stays dry.

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Old Lyme, CT at a glance

Old Lyme is home to about 7,696 people in Lower Connecticut River Valley Planning Region, across 23 square miles. It ranks 110th by population of 151 places in Connecticut with a forecast here. The nearest neighbour with its own forecast is Old Saybrook, 4 miles away.

County
Lower Connecticut River Valley Planning Region
Population
7,696 2023 est.
Land area
23 sq mi
People per sq mi
334
Forecast point
41.3123°N, 72.3057°W

How well can the network see Old Lyme?

42 mito radar KOKX

The nearest Doppler radar is KOKX (New York City, NY), to the SW. Its lowest scan passes about 2,900 ft above Old Lyme. Close enough to see rotation in the low part of a storm, where tornadoes form. Old Lyme is closer to its radar than 52% of US cities.

11 mito station KSNC

The closest weather station is KSNC (Chester Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.

Forecasts near Old Lyme

Elsewhere in Connecticut

BridgeportStamfordNew HavenHartfordWaterburyNorwalkAll Connecticut forecasts →

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