Grand Isle County, VT Weather Forecast
County weather hub
Sunny
Compare major city weather across Grand Isle County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 54. South wind around 3 mph.
County Weather Overview
This county weather page brings together forecast coverage for Grand Isle County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Grand Isle County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 24 to Oct 29, 2026
- Latest sync
- Oct 23, 2026 3:58 PM EDT
- Forecast office
- BTV
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Isle County
Sunday looks like the warmest upcoming period in Grand Isle County at 59 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Thursday Night at about 12 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 23, 2026 3:58 PM EDT
- Coverage
- 6 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
Clear, with a low around 37. South wind 1 to 9 mph.
Sunny, with a high near 59. South wind around 9 mph.
Partly cloudy, with a low around 45. South wind 7 to 10 mph.
Partly sunny, with a high near 59. Southwest wind 3 to 10 mph.
Partly cloudy, with a low around 40. Northwest wind around 9 mph.
Sunny, with a high near 48. North wind around 8 mph.
Mostly clear, with a low around 35. Northwest wind 0 to 5 mph.
Mostly sunny, with a high near 51. South wind around 3 mph.
Partly cloudy, with a low around 41. South wind 2 to 8 mph.
Mostly sunny, with a high near 56. South wind around 10 mph, with gusts as high as 21 mph.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 46. South wind around 12 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 24
|
Sunny
|
54°F |
3 mph
S
|
|
Saturday Night
Oct 24
|
Clear
|
37°F |
1 to 9 mph
S
|
|
Sunday
Oct 25
|
Sunny
|
59°F |
9 mph
S
|
|
Sunday Night
Oct 25
|
Partly Cloudy
|
45°F |
7 to 10 mph
S
|
|
Monday
Oct 26
|
Partly Sunny
|
59°F |
3 to 10 mph
SW
|
|
Monday Night
Oct 26
|
Partly Cloudy
|
40°F |
9 mph
NW
|
|
Tuesday
Oct 27
|
Sunny
|
48°F |
8 mph
N
|
|
Tuesday Night
Oct 27
|
Mostly Clear
|
35°F |
0 to 5 mph
NW
|
|
Wednesday
Oct 28
|
Mostly Sunny
|
51°F |
3 mph
S
|
|
Wednesday Night
Oct 28
|
Partly Cloudy
|
41°F |
2 to 8 mph
S
|
|
Thursday
Oct 29
|
Mostly Sunny
|
56°F |
10 mph
S
|
|
Thursday Night
Oct 29
|
Mostly Cloudy then Slight Chance Rain Showers
|
46°F |
12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Isle County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Grand Isle County.