Darien, CT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Darien, CT in one place.
Sunny, with a high near 78. North wind 1 to 13 mph.
Local Weather Overview
This forecast page for Darien, CT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 28, 2026 7:49 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Darien, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:49 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Darien
Thursday looks like the warmest upcoming period in Darien at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 1 to 13 mph N.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:49 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 66. Southwest wind 2 to 6 mph.
A slight chance of rain showers after 2pm. Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Southwest wind 5 to 12 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers. Partly sunny, with a high near 81.
A slight chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of rain showers before 2am. Mostly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
78°F |
1 to 13 mph
N
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
66°F |
2 to 6 mph
SW
|
|
Sunday
Aug 30
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
5 to 12 mph
SW
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
71°F |
7 to 12 mph
SW
|
|
Monday
Aug 31
|
Slight Chance Rain Showers
|
81°F |
1 to 6 mph
NW
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms
|
69°F |
5 mph
S
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
81°F |
3 to 7 mph
S
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
70°F |
8 mph
SE
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
83°F |
7 mph
S
|
|
Wednesday Night
Sep 2
|
Chance Showers And Thunderstorms
|
70°F |
7 mph
SW
|
|
Thursday
Sep 3
|
Chance Rain Showers
|
84°F |
7 mph
W
|
|
Thursday Night
Sep 3
|
Chance Rain Showers
|
68°F |
7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Darien.
