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Current Weather in South Britain, CT

Updated: Sun Sep 20th 2026 9:45 PM EDT

Light Rain Shower

63^°F 17^°C

Feels Like 66^°F / 19^°C

South Britain, CT weather condition is Light Rain Shower and 63°F.

Today's Weather in South Britain,CT

The current weather in South Britain CT as of 9:45 PM EDT on Sun Sep 20th 2026, has a sky condition of Light Rain Shower with the visibility of 6 mile(s). It is 63 degrees fahrenheit but feels like 66 degrees with a forecasted high of 63 and low of 52. The barometric pressure is 29.95 - measured by inches of mercury - and is steady since its last observation. The humidity is 100 percent that's rising since the last report, with a dew point of 63 degrees fahrenheit which is rising. Wind direction is from the North-Northeast at 2.2 miles per hour, gusting at 4 miles per hour. Sunrise was at 6:37 AM and Sunset was at 6:52 PM. The moon phase is a Waxing Gibbous moon rising at 4:13 PM with 73% illumination. Thank you for listening to the weather report from LocalConditions.com!

Listen to this weather report - press Read

Barometer 29.95 inHg. rising
Humidity 100% rising
Heat Index 63°F
Wind from NNE. 2.2 mph
Wind Gust 4 miles per hour
Wind Chill 63°F
UV Index 0

Dew Point 63°F rising
Visibility 6 mi.
Sunrise 6:37 AM
Sunset 6:52 PM
Moonrise 4:13 PM
Moonset 12:25 AM
Moon Phase Waxing Gibbous Moon 73%

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Light Rain Shower

Light Rain Shower with a high of 63°F and a low of 52°F. Rainfall is expected, having a 92% chance with 0.46in estimated precipitation. Winds will be light at 8mph at times. Expect high humidity with levels above 80% to 94%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 63° \| Lo 52°	94%	92% \| est. 0.46in	0%	7.6 mph

Overcast

Overcast with a high of 67°F and a low of 54°F. 29% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 11mph. The humidity will be on the higher side, reaching around 76%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 67° \| Lo 54°	76%	29% \| est. 0in	0%	10.7 mph

Overcast

Overcast with a high of 56°F and a low of 48°F. Probable rainfall forecasted, having an 83% chance with an estimated 0.23in. Winds will be moderate, blowing around 12mph. The humidity will be on the higher side, reaching around 80%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 56° \| Lo 48°	80%	83% \| est. 0.23in	0%	11.2 mph

Overcast

Overcast with a high of 62°F and a low of 44°F. 16% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 14mph. The humidity will be on the higher side, reaching around 71%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 62° \| Lo 44°	71%	16% \| est. 0in	0%	13.9 mph

Overcast

Overcast with a high of 62°F and a low of 45°F. 16% possible chance of rain predicted. Winds will be moderate, blowing around 15mph. The humidity will be on the higher side, reaching around 67%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 62° \| Lo 45°	67%	16%	0%	14.8 mph

Yesterday 5-Day 10-Day

Weather Radar Map

Live South Britain, CT weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 63^°F. The morning temperature of 52°^F is lowest at 1am with the daytime high of 63°^F at 8pm and a low around 59°^F at 11am is expected.

Hourly Barometric Pressure

The highest pressure today is 30.19^inHg at 12am and lowest being 29.92^inHg at 6pm.

Hourly Wind Speeds

The fastest wind is reported to be 7.6^mph at 12pm, while the slowest is 1.8^mph around 3am; expect wind gusts peaking 22.2^mph at 12pm.

More Weather Charts

Current National Weather

Heavy Rain and Storms to Hit the Midwest, Ohio Valley, and Mid-Atlantic - 09-20 to 09-22

Updated Sun Sep 20th 2026, 8:18am PDT

Plan for a wet start to the week as heavy rain and severe thunderstorms are expected from the Midwest to the Mid-Atlantic. Through Sunday, the Midwest, Ohio Valley, and Mid-Atlantic will see heavy rain with potential flash flooding, while the central/southern Plains face severe thunderstorms. On Monday, the stormy weather shifts to the central/southern Appalachians and the Southeast as the frontal system moves southeast.

Midwest to Mid-Atlantic (Sunday)

Expect heavy rain and thunderstorms in areas like Chicago,IL, Columbus,OH, and Pittsburgh,PA. A combination of a slow-moving storm system and moist air means these regions could experience flash flooding due to repeated showers and storms.

Central/Southern Plains to Ohio Valley (Sunday)

Folks in Kansas City,MO and Oklahoma City,OK should be on the lookout for severe thunderstorms, which can bring damaging winds and hail.

Mid-Atlantic and Southern Plains (Monday)

Mondays rain will be heavy at times in the Mid-Atlantic with severe weather possible in the southern Plains. People in Nashville,TN and Raleigh,NC should prepare for storms and localized flooding.

Central/Southern Appalachians and Southeast (Monday)

Areas like Atlanta,GA and Charlotte,NC will experience thunderstorms in the afternoon and evening. These storms may bring strong winds and heavy downpours, especially in South Florida where the risk of excessive rain is heightened.

Temperature Update

Warm and muggy conditions will stick around in the central/southern Plains and lower Mississippi Valley, while temperatures cool off in the northern Plains and Great Lakes.

This weather report is valid for ZIP code 06487, accurately covering the area of South Britain, CT.