Marine Weather Net

Darien, CT Weather Forecast




Darien, Connecticut

 Lat: 41.08N, Lon: 73.47W

Current Conditions Updated: 356 PM EDT THU AUG 6 2026

Mostly Cloudy
Temp: 86°F
  • Humidity:
  • 72%
  • Winds:
  • 12 MPH S
  • Gusts:
  • 20 MPH
  • Barometer:
  • 30.08 in.
  • Dewpoint:
  • 76°F
  • Heat index:
  • 96°F

  • Sunrise:
  • 5:53 AM EDT
  • Sunset:
  • 8:03 PM EDT
  • Moonrise:
  • 11:57 PM EDT
  • Moonset:
  • 2:39 PM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 75°F
Precip: 20%

FRIDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 50%

SATURDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 30%

SUNDAY

SUNNY

Hi: 89°F
Lo: 69°F
Weather Forecast In Detail:
Forecast Issued: 310 PM EDT Thu Aug 06 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT FRIDAY
Tonight...Partly cloudy. A slight chance of showers and thunderstorms this evening, then a slight chance of showers after midnight. Some thunderstorms May produce gusty winds and heavy rainfall this evening. Lows in the mid 70s. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 20 percent.
Friday...Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Some thunderstorms May produce gusty winds and heavy rainfall in the afternoon. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 101.
Friday Night...Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Some thunderstorms May produce gusty winds and heavy rainfall in the evening. Humid with lows in the lower 70s. West winds around 5 mph. Chance of rain 60 percent.
Saturday...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Some thunderstorms May produce gusty winds and heavy rainfall in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 30 percent. Heat index values in the upper 90s.
Saturday Night...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Some thunderstorms May produce gusty winds and heavy rainfall in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.
Sunday...Sunny. Highs in the upper 80s.
Sunday Night...Mostly clear. Lows in the upper 60s.
Monday...Sunny. Highs in the upper 80s.
Monday Night...Partly cloudy. Lows in the lower 70s.
Tuesday...Partly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Heat index values in the mid 90s.
Tuesday Night...Mostly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Wednesday...Mostly sunny. Highs in the mid 80s.
Wednesday Night...Partly cloudy with a 30 percent chance of showers. Lows in the upper 60s.
Thursday...Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
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