Deep River, CT Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Deep River, CT in one place.
A slight chance of rain showers between 2pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 78, with temperatures falling to around 73 in the afternoon. Southwest wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Deep River, 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 1:51 PM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Deep River, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 1:51 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Deep River
Today looks like the warmest upcoming period in Deep River at 78 degrees F.
Monday Night is the coolest period ahead with temperatures near 32 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 1:51 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. Mostly cloudy, with a low around 56. Southwest wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.
A slight chance of rain showers before 8am. Partly sunny. High near 76, with temperatures falling to around 73 in the afternoon. South wind 2 to 8 mph. Chance of precipitation is 20%.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 56. Southwest wind 1 to 7 mph. Chance of precipitation is 20%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 76, with temperatures falling to around 70 in the afternoon. West wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly sunny, with a high near 64.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 48.
Rain showers 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 2pm. Mostly sunny, with a high near 50. Chance of precipitation is 30%.
Mostly clear, with a low around 32.
Sunny, with a high near 54.
Partly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
3 to 7 mph
SW
|
|
Tonight
Apr 15
|
Chance Showers And Thunderstorms
|
56°F |
2 to 6 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers then Partly Sunny
|
76°F |
2 to 8 mph
S
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
56°F |
1 to 7 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
76°F |
1 to 6 mph
W
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
52°F |
5 mph
N
|
|
Saturday
Apr 18
|
Partly Sunny
|
64°F |
2 to 6 mph
E
|
|
Saturday Night
Apr 18
|
Mostly Cloudy then Slight Chance Rain Showers
|
48°F |
5 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
62°F |
3 to 9 mph
SW
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Chance Rain And Snow Showers
|
38°F |
9 mph
NW
|
|
Monday
Apr 20
|
Chance Rain And Snow Showers
|
50°F |
9 to 15 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
32°F |
5 to 12 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
54°F |
6 to 9 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
42°F |
7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Deep River.
