National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Overcast

62°F

17°C

Humidity 86%
Wind Speed W 3 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 5 Sep 2:53 am EDT
Extended Forecast for

Grand Isle VT

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. North wind around 7 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 72. North wind 9 to 11 mph.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North wind 7 to 10 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 73. North wind around 9 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. West wind 3 to 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. North wind 3 to 6 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Calm wind becoming south around 5 mph after midnight.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. North wind around 7 mph.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 72. North wind 9 to 11 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North wind 7 to 10 mph.
Sunday
Sunny, with a high near 73. North wind around 9 mph.
Sunday Night
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming calm after midnight.
Labor Day
Sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 74. North wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 57. Calm wind becoming south around 5 mph after midnight.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. South wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 74. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 52. Northwest wind around 9 mph.
Friday
Mostly sunny, with a high near 68. Northwest wind 8 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle VT
 44.72°N 73.3°W (Elev. 125 ft)
Last Update:
2:20 am EDT Sep 5, 2026
Forecast Valid:
3am EDT Sep 5, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation