South Hero Weather Forecast
- 69
- 90
Mostly Sunny
- 71
- 93
Chance Thunderstorms
- 65
- 89
Rain Showers Likely
- 61
- 80
Chance Rain Showers
- 64
- 83
Partly Sunny
- 63
- 82
Chance Rain Showers
Today 15 Jul Grand Isle
Sunny with Highs in the upper 80s. Light and variable Winds.
Tonight 15 Jul Grand Isle
Mostly clear. Hazy. Near steady temperature in the upper 60s. Light and variable Winds.
South Hero Temperature Statistics
July Temperature
Plattsburgh International Airport (6.8 miles)
Lowest 5 July, 2025
53.1 °FAverage July
72.7 °FHighest 6 July, 2025
95 °F
Climate (2020–Present)
Plattsburgh International Airport (6.8 miles)
Average Low 2020–2025
38.6 °FAverage 2020–2025
47.7 °FAverage High 2020–2025
56.1 °F