Weather Alert
Grand Isle State Park Weather Warning NWS WEATHER ALERT FOR THE GRAND ISLE STATE PARK, VT AREA - Issued: 216 AM EDT Thu Aug 13 2026 Grand Isle State Park Weather Warning

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Grand Isle State Park, VT Weather - Hour by Hour Forecast

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Grand Isle State Park, VT Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Light Rain. Temperature is 66°F19°C, dew point 59°F15°C, humidity 78%. Wind direction is SW at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.91 in1012 mb.
Tonight - Mostly clear. A slight chance of showers and thunderstorms until midnight. Lows around 60. Northwest winds 10 to 15 mph. Chance of.. Full Forecast
Friday - Mostly sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph... Full Forecast

Grand Isle State Park Hourly Weather

24 Hour Forecast Scroll
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Grand Isle State Park, VT Hourly Weather - Clear - 9:00 PM Grand Isle State Park, VT Hourly Weather - Clear - 10:00 PM Grand Isle State Park, VT Hourly Weather - Clear - 11:00 PM Grand Isle State Park, VT Hourly Weather - Clear - 12:00 AM Grand Isle State Park, VT Hourly Weather - Clear - 1:00 AM Grand Isle State Park, VT Hourly Weather - Clear - 2:00 AM Grand Isle State Park, VT Hourly Weather - Clear - 3:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 4:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 5:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 6:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 7:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 8:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 9:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 10:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 11:00 AM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 12:00 PM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 1:00 PM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 2:00 PM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 3:00 PM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 4:00 PM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 5:00 PM Grand Isle State Park, VT Hourly Weather - Mostly Clear - 6:00 PM Grand Isle State Park, VT Hourly Weather - Clear - 7:00 PM Grand Isle State Park, VT Hourly Weather - Clear - 8:00 PM
Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear
65°F18°C 63°F17°C 61°F16°C 60°F16°C 58°F14°C 57°F14°C 56°F13°C 55°F13°C 54°F12°C 56°F13°C 58°F14°C 60°F16°C 63°F17°C 65°F18°C 68°F20°C 69°F21°C 71°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 70°F21°C 67°F19°C 65°F18°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0%
53°F12°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 50°F10°C 50°F10°C 49°F9°C 49°F9°C 50°F10°C 50°F10°C 51°F11°C 51°F11°C 52°F11°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 52°F11°C 53°F12°C 54°F12°C
65% 67% 72% 72% 77% 77% 80% 80% 83% 80% 75% 72% 65% 63% 57% 55% 49% 48% 48% 48% 48% 53% 61% 68%
NW NW NW NW NW NW NW NW NW NW NNW NNW NNW NNW NNW SSW SE NE NE NE NE SE SSW N
4 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 3 mph 3 mph 3 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 2 mph 2 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KPBG model statistics.

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Prob Precip % = Probability of Precipitation.

Grand Isle State Park 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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