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
63°F
Sunny
Sunny, with a high near 63. North wind 3 to 7 mph.
7-day forecast for South Hero
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 3 to 7 mph N | 0% |
| Tonight | 47°F | Mostly Cloudy | 1 to 9 mph E | 1% |
| Sunday | 57°F | Rain Showers | 9 to 15 mph S | 93% |
| Sunday Night | 46°F | Mostly Cloudy | 3 to 9 mph NE | 8% |
| Monday | 60°F | Partly Sunny | 12 mph N | 1% |
| Monday Night | 43°F | Mostly Cloudy | 3 to 8 mph N | 0% |
| Tuesday | 63°F | Mostly Sunny | 7 mph N | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Wednesday | 67°F | Sunny | 3 mph NE | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 3 mph SE | 3% |
| Thursday | 65°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph E | 18% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 5 mph N | 20% |
| Friday | 66°F | Slight Chance Rain Showers | 5 to 9 mph N | 21% |
| Friday Night | 48°F | Slight Chance Rain Showers | 8 mph N | 21% |
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.