Cornwall, CT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall, CT in one place.
Sunny, with a high near 92.
Local Weather Overview
This forecast page for Cornwall, 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: Jul 12, 2026 5:50 AM EDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Cornwall, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 5:50 AM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall
Wednesday looks like the warmest upcoming period in Cornwall at 93 degrees F.
Friday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 10 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 5:50 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
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 70.
Sunny, with a high near 93.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 88.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 84.
A slight chance of rain showers after 8pm. Partly cloudy, with a low around 61.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
3 to 10 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
5 to 9 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
5 to 9 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
64°F |
1 to 8 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
88°F |
0 to 7 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
62°F |
0 to 6 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
84°F |
0 to 6 mph
NW
|
|
Friday Night
Jul 17
|
Slight Chance Rain Showers
|
61°F |
3 mph
N
|
|
Saturday
Jul 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
1 to 6 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall.
