Local Forecast

Grand Isle, ME Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Forecast

Tuesday 2:00 AM EDTTuesday 2:00 AM

°F °C
Regional Observations →
55°F

Partly Cloudy

  • 80° / 59° High / Low
  • 55° Feels Like
  • 0% Chance of Rain

Wind

2 mph

G 5 mph

SSE

UV Index

0

None

Humidity

83%

Dew 51°F

Sun

4:57 AM · 8:19 PM

Rise · Set

Source: Grand Isle, ME. Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Tuesday

80° 59°

Mostly Cloudy

Overnight: Rain Likely

Detailed forecast

Tuesday

Partly sunny, with a high near 79. Southeast wind 5 to 17 mph, with gusts as high as 30 mph.

Night

A chance of rain showers between 9pm and 1am, then rain likely between 1am and 5am, then rain likely and patchy fog. Mostly cloudy, with a low around 58. South wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

75° 57°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Wednesday

Rain likely and patchy fog before 2pm, then rain and a chance of thunderstorms. Cloudy, with a high near 74. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Night

Rain and a chance of thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then patchy fog. Mostly cloudy, with a low around 56. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

73° 51°

Mostly Cloudy

Overnight: Mostly Clear

Detailed forecast

Thursday

Patchy fog before 8am. Mostly sunny, with a high near 72. West wind 8 to 14 mph, with gusts as high as 25 mph.

Night

Partly cloudy, with a low around 51. Southwest wind 2 to 9 mph.

Friday

80° 55°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Friday

Sunny, with a high near 79.

Night

Partly cloudy, with a low around 55.

Saturday

82° 57°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Saturday

A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

Night

Partly cloudy, with a low around 57.

Grand Isle, ME Weather Analysis Tools