Weather in Grand Isle, VT
Updated 2026-09-26 11:15 local time · ZIP codes 05458
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
62°18% rain64°16% rain66°15% rain67°13% rain
69°8% rain69°14% rain68°15% rain67°16% rain
66°17% rain65°17% rain63°18% rain62°19% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 19%).
It feels like 53°F with winds near 16 mph.
69°F, 8% rain chance and 16 mph wind.
Visibility is around 6 mi; gusts may reach 29 mph.
Current temperature is 62°F, wind 16 mph, rain chance up to 19%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Grand Isle
Vermont has four seasons, cold snowy winters and mild summers. Higher elevations are cooler, windier and often snowier than lower valleys.
Grand Isle is part of the Northeast weather region. The forecast point is near 44.72°N latitude and 73.29°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Grand Isle weather today
Overcast and 62°F in Grand Isle, VT. Today's high is 69°F with a 18% rain chance. Winds are around 16 mph with gusts near 18 mph. Relative humidity is 69%, pressure is 30.10 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grand Isle
Sunrise is at 06:45 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 57°F. The maximum rain chance is 58%.