Harman US

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.

This Afternoon
59°F
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 59. South wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for South Hero

WhenTempForecastWindPrecip
This Afternoon 59°F Rain Showers Likely 9 mph S 65%
Tonight 54°F Chance Rain Showers then Mostly Cloudy 8 to 13 mph S 28%
Wednesday 69°F Partly Sunny 10 to 15 mph S 6%
Wednesday Night 56°F Partly Cloudy 12 to 18 mph S 1%
Thursday 64°F Rain Showers 9 to 18 mph S 78%
Thursday Night 52°F Chance Rain Showers 2 to 8 mph SW 39%
Friday 61°F Mostly Cloudy then Chance Rain Showers 3 mph SE 32%
Friday Night 46°F Chance Light Rain 3 to 7 mph N 49%
Saturday 54°F Chance Light Rain 7 mph NW 49%
Saturday Night 41°F Chance Light Rain 7 mph NW 42%
Sunday 52°F Chance Light Rain 8 mph SW 27%
Sunday Night 38°F Chance Light Rain 6 mph W 27%
Monday 51°F Chance Light Rain 9 mph NW 26%
Monday Night 36°F Chance Light Rain 6 to 10 mph SW 26%

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

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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 Nov 3, 2026.