South Hero, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Hero, a community in Grand Isle County, Vermont.
Today
86°F
Sunny
Sunny, with a high near 86. West wind 3 to 7 mph.
7-day forecast for South Hero
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 to 7 mph W | 0% |
| Tonight | 64°F | Mostly Clear | 6 mph S | 1% |
| Wednesday | 87°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 6 to 9 mph S | 6% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 mph S | 54% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 54% |
| Friday | 86°F | Showers And Thunderstorms Likely | 3 mph SW | 63% |
| Friday Night | 69°F | Showers And Thunderstorms Likely | 3 mph W | 63% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 3 mph SW | 49% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SW | 49% |
| Sunday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 mph S | 24% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph SW | 36% |
| Monday | 86°F | Chance Rain Showers | 9 mph SW | 44% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 44% |
Forecast source: National Weather Service (api.weather.gov) for South Hero (44.648, -73.301). Updated through the day.
Growing snapshot for South Hero
Last spring frost
Apr 28
First fall frost
Oct 20
Growing season
174 days
Hardiness zone
5b
More local growing data for South Hero: nearby ZIP 05486 weather · frost dates · planting calendar · Vermont frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, S Hero, Vt (0.3 mi from South Hero). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.