Local weather forecast

Weather in Darien, CT

Updated 2026-08-11 12:00 local time · ZIP codes 06820

Sunny
Now81°F

Sunny

High / Low90° / 70°
Rain chance19%
Wind5 mph
Weather alerts

Active alerts

2
Coastal Flood Statement issued August 11 at 2:34AM EDT until August 12 at 12:00AM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In Connecticut, Southern Fairfield County. In New York, Southern Westchester County. * WHEN...This evening. * IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline * ADDITIONAL DETAILS...Additional rounds of localized minor flooding are likely with the Wednesday Night and Thursday Night high tides. Minor coastal flooding could be a bit more widespread with the Wednesday night high tide.

Safety instructions

Do not drive through flooded roadways.

Coastal Flood Statement issued August 11 at 2:34AM EDT until August 11 at 9:00PM EDT by NWS Upton NY

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Queens and Southern Nassau Counties. * WHEN...This evening. * IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline. * ADDITIONAL DETAILS...Additional rounds of localized minor flooding are likely with the Wednesday Night and Thursday Night high tides. Minor coastal flooding could be a bit more widespread with the Wednesday night high tide.

Safety instructions

Do not drive through flooded roadways.

Hourly

Next hours

NowSunny81°5% rain
1 PMSunny88°4% rain
2 PMSunny89°3% rain
3 PMSunny90°3% rain
4 PMSunny89°3% rain
5 PMSunny88°2% rain
6 PMSunny84°4% rain
7 PMPartly Cloudy81°8% rain
8 PMPatchy rain nearby76°29% rain
9 PMPatchy rain nearby75°40% rain
10 PMClear74°14% rain
11 PMClear74°16% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
90° 70°Sunny
Rain 19%Gust 9 mph
Tomorrow2026-08-12
Sunny
86° 67°Sunny
Rain 57%Gust 9 mph
Thursday2026-08-13
Sunny
86° 68°Sunny
Rain 57%Gust 12 mph
Conditions

Weather details

Feels like85°F
Humidity66%
Pressure29.87 inHg
Visibility10 mi
Wind5 mph WNW
Wind gusts5 mph
Precipitation0.00 in
UV index6
Daylight

Sunrise, sunset and moon

Sunrise05:59 AM
Sunset07:58 PM
Moonrise03:56 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella may help

There is a moderate rain chance, peaking near 40%.

Light layers should work

It feels like 85°F with winds near 5 mph.

Best window: 12 PM

81°F, 5% rain chance and 5 mph wind.

Allow a little extra driving time

Visibility is around 10 mi; gusts may reach 15 mph.

Run with a few weather adjustments

Current temperature is 81°F, wind 5 mph, rain chance up to 40%.

Moderate UV protection recommended

UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.

Darien weather today

Sunny and 81°F in Darien, CT. Today's high is 90°F with a 19% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 66%, pressure is 29.87 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Darien

Sunrise is at 05:59 AM and sunset is at 07:58 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 67°F. The maximum rain chance is 57%.

Nearby

Weather near Darien

Connecticut

Popular cities in Connecticut

View state page →