Local Forecast

Grand Isle, ME Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Grand Isle, ME.

No Active Alerts

Hour-by-Hour  Current Observation

Sunday 4:20 PM EDTSunday 4:20 PM

°F °C
Regional Observations →
73°F

Clear

  • 77° / 53° High / Low
  • 73° Feels Like
  • 0% Chance of Rain

Wind

5 mph

WSW

UV Index

7

High

Humidity

44%

Dew 50°F

Sun

4:38 AM · 8:32 PM

Rise · Set

Source: FRENCHVILLE (KFVE). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

77° 53°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Today

Scattered rain showers before 3pm, then scattered showers and thunderstorms. Partly sunny, with a high near 77. Northwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Night

Scattered showers and thunderstorms before 10pm, then patchy fog between 3am and 5am. Partly cloudy, with a low around 53. Northwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Monday

82° 57°

Mostly Cloudy

Overnight: Mostly Cloudy

Detailed forecast

Monday

Patchy fog before 7am. Sunny, with a high near 81. Northwest wind 1 to 6 mph.

Night

Mostly cloudy, with a low around 57. West wind around 3 mph.

Tuesday

78° 59°

Chance of Thunderstorms

Overnight: Chance of Rain

Detailed forecast

Tuesday

A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. West wind around 3 mph. Chance of precipitation is 20%.

Night

A chance of rain showers. Mostly cloudy, with a low around 59. South wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

82° 64°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

A chance of rain showers before 9am, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 3 to 7 mph. Chance of precipitation is 50%.

Night

A chance of showers and thunderstorms before 11pm, then showers and thunderstorms likely between 11pm and midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Thursday

82° 62°

Chance of Thunderstorms

Overnight: Chance of Rain Showers

Detailed forecast

Thursday

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Night

A chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Grand Isle, ME Weather Analysis Tools