St Johnsbury, VT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for St Johnsbury, VT in one place.
Mostly sunny, with a high near 53. North wind 3 to 7 mph.
Local Weather Overview
This forecast page for St Johnsbury, 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: Oct 15, 2026 3:38 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for St Johnsbury, VT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:38 PM EDT
- Forecast office
- BTV
- Source
- NOAA / NWS
Daily Outlook
This Week in St Johnsbury
Tuesday looks like the warmest upcoming period in St Johnsbury at 58 degrees F.
Saturday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Saturday at about 13 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:38 PM 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 after 4am. Mostly cloudy. Low around 33, with temperatures rising to around 39 overnight. East wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Rain showers. Cloudy, with a high near 55. South wind 3 to 12 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 2am, then a chance of rain and snow showers. Cloudy, with a low around 31. West wind 6 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of snow showers before 11am. Partly sunny, with a high near 38. Northwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 23. West wind 1 to 8 mph.
Mostly sunny, with a high near 50. Southwest wind around 3 mph.
Mostly clear, with a low around 26. South wind around 3 mph.
Sunny, with a high near 57. South wind around 3 mph.
Partly cloudy, with a low around 31. West wind around 2 mph.
Mostly sunny, with a high near 58. Northwest wind around 2 mph.
Partly cloudy, with a low around 30. Northwest wind around 2 mph.
Mostly sunny, with a high near 55. North wind around 2 mph.
Partly cloudy, with a low around 29. East wind around 2 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Sunny
|
53°F |
3 to 7 mph
N
|
|
Tonight
Oct 15
|
Mostly Cloudy then Chance Rain Showers
|
33°F |
3 mph
E
|
|
Friday
Oct 16
|
Rain Showers
|
55°F |
3 to 12 mph
S
|
|
Friday Night
Oct 16
|
Rain Showers then Chance Rain And Snow Showers
|
31°F |
6 to 12 mph
W
|
|
Saturday
Oct 17
|
Chance Snow Showers then Partly Sunny
|
38°F |
13 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
23°F |
1 to 8 mph
W
|
|
Sunday
Oct 18
|
Mostly Sunny
|
50°F |
3 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
26°F |
3 mph
S
|
|
Monday
Oct 19
|
Sunny
|
57°F |
3 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
31°F |
2 mph
W
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
58°F |
2 mph
NW
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
30°F |
2 mph
NW
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
55°F |
2 mph
N
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
29°F |
2 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St Johnsbury.