Fairfield County, CT Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Fairfield County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. Southeast wind 2 to 6 mph.
County Weather Overview
This county weather page brings together forecast coverage for Fairfield County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Fairfield County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 12:37 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield County
Wednesday looks like the warmest upcoming period in Fairfield County at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Thursday at about 8 to 16 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 12:37 PM EDT
- Coverage
- 7 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 cloudy. Low around 60, with temperatures rising to around 62 overnight. Southwest wind 5 to 8 mph.
Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. Southwest wind 6 to 10 mph.
A slight chance of showers and thunderstorms between 8pm and 11pm. Mostly cloudy, with a low around 62. West wind 7 to 10 mph. Chance of precipitation is 20%.
Mostly sunny. High near 73, with temperatures falling to around 70 in the afternoon. Northwest wind 8 to 16 mph.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 56.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 71.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 26
|
Mostly Sunny
|
75°F |
2 to 6 mph
SE
|
|
Tonight
May 26
|
Mostly Cloudy
|
60°F |
5 to 8 mph
SW
|
|
Wednesday
May 27
|
Mostly Cloudy
|
78°F |
6 to 10 mph
SW
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
62°F |
7 to 10 mph
W
|
|
Thursday
May 28
|
Mostly Sunny
|
73°F |
8 to 16 mph
NW
|
|
Thursday Night
May 28
|
Mostly Clear
|
56°F |
8 to 15 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
71°F |
8 to 12 mph
W
|
|
Friday Night
May 29
|
Partly Cloudy
|
55°F |
12 mph
W
|
|
Saturday
May 30
|
Mostly Sunny
|
66°F |
9 to 14 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
53°F |
7 to 14 mph
N
|
|
Sunday
May 31
|
Mostly Sunny
|
70°F |
9 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
56°F |
9 mph
W
|
|
Monday
Jun 1
|
Slight Chance Rain Showers
|
71°F |
9 mph
NW
|
|
Monday Night
Jun 1
|
Slight Chance Rain Showers then Partly Cloudy
|
55°F |
6 to 9 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Fairfield County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Fairfield County.
Largest mapped city population in this region: 143,525.