Southbury, CT Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Southbury, CT in one place.
A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 86, with temperatures falling to around 82 in the afternoon. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Southbury, 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 3:03 PM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Southbury, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:03 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Southbury
This Afternoon looks like the warmest upcoming period in Southbury at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Monday at about 9 to 15 mph NW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:03 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
A chance of showers and thunderstorms before 5am. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
A slight chance of rain showers after 2pm. Partly sunny. High near 85, with temperatures falling to around 82 in the afternoon. Southwest wind 1 to 9 mph. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly cloudy, with a low around 60. Southwest wind 1 to 7 mph. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny. High near 78, with temperatures falling to around 76 in the afternoon. West wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 69.
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 63. Chance of precipitation is 60%.
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 50. Chance of precipitation is 30%.
Partly cloudy, with a low around 30.
Sunny, with a high near 57.
Partly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 15
|
Chance Showers And Thunderstorms
|
86°F |
6 to 9 mph
SW
|
|
Tonight
Apr 15
|
Chance Showers And Thunderstorms
|
61°F |
1 to 6 mph
S
|
|
Thursday
Apr 16
|
Partly Sunny then Slight Chance Rain Showers
|
85°F |
1 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
60°F |
1 to 7 mph
SW
|
|
Friday
Apr 17
|
Showers And Thunderstorms Likely
|
78°F |
1 to 7 mph
W
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms Likely
|
53°F |
1 to 5 mph
N
|
|
Saturday
Apr 18
|
Partly Sunny
|
69°F |
2 to 7 mph
E
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
48°F |
2 to 6 mph
SE
|
|
Sunday
Apr 19
|
Showers And Thunderstorms Likely
|
63°F |
3 to 10 mph
SW
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Chance Rain And Snow Showers
|
36°F |
9 mph
NW
|
|
Monday
Apr 20
|
Chance Rain And Snow Showers
|
50°F |
9 to 15 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
30°F |
5 to 13 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
57°F |
5 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
42°F |
3 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Southbury.