Weather forecast for 10 days
South Lyme, CT

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:14 am

8:27 pm
EDT
Partly Cloudy
77°F / 68°F
  • Wind: 9mph SW
  • Humidity: 66%
  • Precip. probability: 5%
  • Precipitation: 0.04"
  • UV index: 8
On Saturday, in South Lyme, partly cloudy skies will persist, making for a mix of sun and clouds.
Minimal precipitation is predicted. Daytime will witness a high of a moderately hot 77°F, slightly diverging from the anticipated night low of an agreeable 68°F.
Saturday's peak temperature is expected to be slightly warmer than June's average high of 72.7°F.
Sunrise will be at 5:14 am and sunset at 8:27 pm; the daylight will last for 15h and 13min.

Sunday, Jun 22.

Partly Cloudy
5:14 am

8:27 pm
EDT
Partly Cloudy
82°F / 70°F
  • Wind: 10mph SW
  • Humidity: 71%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in South Lyme, occasional clouds will pass by, but expect bright spells.
Rain is not predicted. The maximum temperature will be a moderately hot 82.4°F, while the minimum temperature will be an agreeable 69.8°F.
On Sunday, expect warmer conditions as the high matches July's average of 79.5°F, not June's.
Sunrise will be at 5:14 am and sunset at 8:27 pm; the daylight will last for 15h and 13min.

Frequently asked questions

What is the weather forecast for South Lyme for Saturday?
On Saturday, in South Lyme, moderate cloud cover will mix with sunshine throughout the day.
Will it rain on Saturday in South Lyme?
On Saturday, there is a low probability of minimal rainfall in South Lyme.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 77°F, while the minimum temperature will be 68°F.
What is the weather forecast for South Lyme for Sunday?
On Sunday, occasional cloudiness will be present, but there will still be plenty of sun.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 82.4°F, while the lowest temperature will be 69.8°F.
What is the weather forecast for South Lyme for the next ten days?
In South Lyme, weather will be unstable, and a combination of overcast, damp, mostly clear and hazy weather is predicted for the next ten days.
Will it rain in the next ten days?
Rain is forecasted for Monday through Thursday in South Lyme. With light precipitation of 0.2", Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 66.2°F and 89.6°F, as the minimum temperature will be between 59°F and 73.4°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 66.2°F and 100.4°F.
What will be the hottest and the coldest days?
Next Tuesday will be the hottest day, with a maximum temperature of 89.6°F. Tomorrow will be the coldest day, with a maximum temperature of 66.2°F.

Long-term weather forecast

MonJun 16.
  • min.
  • 59°F
Showers
Showers
  • Wind: 6mph E
  • Humidity: 95%
  • UV index: 0
  • Precip. probability: 46%
  • Precipitation: 0.04"
  • 5:13 am 8:26 pm EDT
TueJun 17.
  • 66°F
  • 63°F
AM Showers
AM Showers
  • Wind: 9mph ESE
  • Humidity: 90%
  • UV index: 4
  • Precip. probability: 50%
  • Precipitation: 0.08"
  • 5:13 am 8:26 pm EDT
WedJun 18.
  • 72°F
  • 66°F
AM Showers
AM Showers
  • Wind: 7mph S
  • Humidity: 90%
  • UV index: 4
  • Precip. probability: 55%
  • Precipitation: 0.2"
  • 5:13 am 8:26 pm EDT
ThuJun 19.
  • 81°F
  • 64°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Wind: 12mph SW
  • Humidity: 81%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:14 am 8:26 pm EDT
FriJun 20.
  • 81°F
  • 64°F
Sunny
Sunny
  • Wind: 12mph WSW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:14 am 8:27 pm EDT
SatJun 21.
  • 77°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 66%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0.04"
  • 5:14 am 8:27 pm EDT
SunJun 22.
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SW
  • Humidity: 71%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:14 am 8:27 pm EDT
MonJun 23.
  • 84°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 70%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:15 am 8:27 pm EDT
TueJun 24.
  • 90°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:15 am 8:27 pm EDT
WedJun 25.
  • 86°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph WSW
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 19%
  • Precipitation: 0"
  • 5:15 am 8:27 pm EDT
And a mix of gloomy, damp, bright and misty weather is forecasted.
Rain is expected on Monday through Thursday.
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 66.2°F and 89.6°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 59°F and 73.4°F.
Next Tuesday is expected to be the hottest, reaching up to 89.6°F; the lowest daytime temperature of the period will be reached on Tuesday, peaking at 66.2°F.
Combining with the humidity, the maximum feel-like temperature may increase greatly and range between 66.2°F and a sizzling 100.4°F.
Updated: Jun 17, 2025 @ 00:31:21 UTC
Published by: Weather U.S. | About Us
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