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.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. North wind 6 to 13 mph.
7-day forecast for South Hero
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 6 to 13 mph N | 0% |
| Saturday | 63°F | Sunny | 3 to 8 mph N | 0% |
| Saturday Night | 46°F | Mostly Cloudy then Chance Light Rain | 2 to 8 mph E | 43% |
| Sunday | 63°F | Light Rain Likely | 8 to 13 mph S | 74% |
| Sunday Night | 49°F | Light Rain Likely then Mostly Cloudy | 2 to 8 mph W | 60% |
| Monday | 61°F | Partly Sunny | 12 mph N | 1% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 9 mph N | 0% |
| Tuesday | 64°F | Partly Sunny | 7 mph N | 1% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 7 mph NE | 1% |
| Wednesday | 67°F | Mostly Sunny | 5 mph E | 3% |
| Wednesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph E | 23% |
| Thursday Night | 50°F | Chance Rain Showers | 6 mph N | 28% |
| Friday | 67°F | Chance Rain Showers | 8 mph N | 25% |
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 Sep 19, 2026.