Cornwall, VT Weather Forecast
Local 7-day forecast
Mostly Cloudy then Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall, VT in one place.
Rain showers likely after noon. Mostly cloudy, with a high near 75. West wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Cornwall, VT 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: Sep 17, 2026 1:52 AM EDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Cornwall, VT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 1:52 AM EDT
- Forecast office
- BTV
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall
Thursday looks like the warmest upcoming period in Cornwall at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Friday at about 2 to 14 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 1:52 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BTV
- Radar station
- KCXX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 10pm. Mostly cloudy, with a low around 55. North wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 71. North wind 2 to 14 mph.
Partly cloudy, with a low around 42. North wind 3 to 12 mph.
Mostly sunny, with a high near 64. North wind around 3 mph.
A chance of rain showers after 2am. Mostly cloudy, with a low around 44. Southeast wind 0 to 3 mph. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a high near 64. South wind around 6 mph. Chance of precipitation is 70%.
A chance of rain showers before 8pm. Mostly cloudy, with a low around 44. North wind around 5 mph. Chance of precipitation is 40%.
Partly sunny, with a high near 66. North wind 3 to 9 mph.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 44. North wind 2 to 7 mph.
A slight chance of rain showers before 2pm. Partly sunny, with a high near 67. North wind around 6 mph.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 45. East wind around 5 mph.
A slight chance of rain showers. Partly sunny, with a high near 67. South wind 2 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Mostly Cloudy then Rain Showers Likely
|
75°F |
3 mph
W
|
|
Thursday Night
Sep 17
|
Chance Rain Showers then Mostly Cloudy
|
55°F |
3 mph
N
|
|
Friday
Sep 18
|
Mostly Sunny
|
71°F |
2 to 14 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
42°F |
3 to 12 mph
N
|
|
Saturday
Sep 19
|
Mostly Sunny
|
64°F |
3 mph
N
|
|
Saturday Night
Sep 19
|
Mostly Cloudy then Chance Rain Showers
|
44°F |
0 to 3 mph
SE
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
64°F |
6 mph
S
|
|
Sunday Night
Sep 20
|
Chance Rain Showers then Mostly Cloudy
|
44°F |
5 mph
N
|
|
Monday
Sep 21
|
Partly Sunny
|
66°F |
3 to 9 mph
N
|
|
Monday Night
Sep 21
|
Slight Chance Rain Showers
|
44°F |
2 to 7 mph
N
|
|
Tuesday
Sep 22
|
Slight Chance Rain Showers
|
67°F |
6 mph
N
|
|
Tuesday Night
Sep 22
|
Partly Cloudy then Slight Chance Rain Showers
|
45°F |
5 mph
E
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
67°F |
2 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall.
