Weather in Grand Isle, VT
Updated 2026-08-11 11:15 local time · ZIP codes 05458
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
76°5% rain78°4% rain80°3% rain81°2% rain81°2% rain80°2% rain82°2% rain81°2% rain79°4% rain71°5% rain
70°6% rain69°7% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 74°F with winds near 13 mph.
71°F, 5% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 76°F, wind 13 mph, rain chance up to 7%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Grand Isle weather today
Sunny and 76°F in Grand Isle, VT. Today's high is 82°F with a 36% rain chance. Winds are around 13 mph with gusts near 17 mph. Relative humidity is 68%, pressure is 29.83 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grand Isle
Sunrise is at 05:51 AM and sunset is at 08:05 PM. Tomorrow's forecast calls for Sunny with a high near 75°F and a low near 66°F. The maximum rain chance is 57%.