New Canaan, CT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Canaan, CT in one place.
Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Southwest wind 3 to 9 mph.
Local Weather Overview
This forecast page for New Canaan, 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: Apr 15, 2026 3:10 PM EDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for New Canaan, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:10 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in New Canaan
Thursday looks like the warmest upcoming period in New Canaan at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Monday at about 12 to 18 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:10 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
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 59. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny. High near 77, with temperatures falling to around 73 in the afternoon. West wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 66.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 50. Chance of precipitation is 30%.
Mostly clear, with a low around 32.
Sunny, with a high near 56.
Partly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Partly Sunny
|
83°F |
3 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
59°F |
3 to 8 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers
|
77°F |
3 to 8 mph
W
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
53°F |
6 mph
N
|
|
Saturday
Apr 18
|
Partly Sunny
|
66°F |
3 to 8 mph
E
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
48°F |
7 mph
SE
|
|
Sunday
Apr 19
|
Showers And Thunderstorms Likely
|
62°F |
5 to 12 mph
SW
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Chance Rain And Snow Showers
|
38°F |
12 mph
NW
|
|
Monday
Apr 20
|
Chance Rain And Snow Showers then Mostly Sunny
|
50°F |
12 to 18 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
32°F |
7 to 14 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
56°F |
7 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
44°F |
6 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Canaan.