St Johnsbury, VT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for St Johnsbury, VT in one place.
Sunny, with a high near 74. Northwest wind around 5 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: Jul 17, 2026 8:24 AM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for St Johnsbury, VT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 8:24 AM EDT
- Forecast office
- BTV
- Source
- NOAA / NWS
Daily Outlook
This Week in St Johnsbury
Saturday looks like the warmest upcoming period in St Johnsbury at 80 degrees F.
Sunday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Sunday at about 9 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 8:24 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
Partly cloudy, with a low around 52. West wind 0 to 3 mph.
A slight chance of rain showers between 1pm and 2pm, then patchy smoke and a slight chance of showers and thunderstorms between 2pm and 3pm, then patchy smoke and a chance of showers and thunderstorms between 3pm and 4pm, then smoke and showers and thunderstorms likely. Mostly cloudy, with a high near 80. South wind 1 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Areas of smoke and showers and thunderstorms likely. Mostly cloudy, with a low around 56. Southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A slight chance of rain showers before 2pm. Partly sunny, with a high near 70. Northwest wind around 9 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 50. West wind 1 to 7 mph.
Mostly sunny, with a high near 77. West wind around 2 mph.
Partly cloudy, with a low around 56. South wind around 3 mph.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. South wind 3 to 7 mph. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a low around 58. South wind around 6 mph. Chance of precipitation is 80%.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 77. Southwest wind around 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 54. West wind 1 to 5 mph. Chance of precipitation is 70%.
Mostly sunny, with a high near 74. West wind around 3 mph.
Mostly clear, with a low around 53. Northwest wind around 2 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Sunny
|
74°F |
5 mph
NW
|
|
Tonight
Jul 17
|
Partly Cloudy
|
52°F |
0 to 3 mph
W
|
|
Saturday
Jul 18
|
Mostly Cloudy then Patchy Smoke
|
80°F |
1 to 7 mph
S
|
|
Saturday Night
Jul 18
|
Areas Of Smoke
|
56°F |
8 mph
SW
|
|
Sunday
Jul 19
|
Slight Chance Rain Showers
|
70°F |
9 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
50°F |
1 to 7 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny
|
77°F |
2 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
56°F |
3 mph
S
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
79°F |
3 to 7 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
58°F |
6 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely
|
77°F |
5 mph
SW
|
|
Wednesday Night
Jul 22
|
Showers And Thunderstorms Likely
|
54°F |
1 to 5 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny
|
74°F |
3 mph
W
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
53°F |
2 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St Johnsbury.