Weather forecast in Grand Isle (VT)

This data display current weather and forecast for the coming days in Grand Isle. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Grand Isle current temperature and weather

December 18, 2025

Night
23.7°F Feels like: 16.5°F	Clear
	Wind: 4.3 mph (6.8 Km/h) E Pressure: 30.19 inHg (1022 hPa) Humidity: 80%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
26.6°F Feels like: 17.1°F	Overcast
	Wind: 11.6 mph (18.7 Km/h) SE Pressure: 30.18 inHg (1022 hPa) Humidity: 87%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.3
Day
38.1°F Feels like: 29.1°F	Cloudy
	Wind: 21.3 mph (34.2 Km/h) S Pressure: 30.03 inHg (1017 hPa) Humidity: 50%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.2
Evening
38.3°F Feels like: 28.4°F	Overcast
	Wind: 24.2 mph (38.9 Km/h) S Pressure: 29.89 inHg (1012 hPa) Humidity: 78%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0

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Our report for Grand Isle is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.