10-Day Weather Forecast - Grand Isle, ME
- 71|51°F50% Chance of StormsHourly details
Today
71°FMostly cloudy. Patchy fog this morning. Scattered showers with isolated thunderstorms this morning then scattered thunderstorms this afternoon. Highs in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.
Tonight
51°FPartly cloudy. A chance of showers in the evening. Patchy fog. Lows in the upper 40s. Light and variable winds. Chance of rain 50 percent.
- 67|56°F70% Chance of StormsHourly details
Day
67°FPatchy fog in the morning. Partly sunny with a slight chance of showers in the morning then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs around 70. South winds around 5 mph. Chance of rain 70 percent.
Night
56°FMostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of rain after midnight. Patchy fog after midnight. Lows in the mid 50s. South winds 5 to 10 mph. Chance of rain 70 percent.
- 65|53°F70% Chance of StormsHourly details
Day
65°FPatchy fog in the morning. Rain likely. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Southeast winds 5 to 10 mph becoming northeast in the afternoon. Chance of rain 70 percent.
Night
53°FPartly cloudy. A chance of rain with a slight chance of thunderstorms in the evening then a slight chance of showers after midnight. Patchy fog after midnight. Lows in the lower 50s. Chance of rain 50 percent.
- 68|51°F40% Chance Rain ShowersHourly details
Day
68°FPartly sunny. Patchy fog in the morning. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
Night
51°FPartly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 40 percent.
- 71|55°F70% Chance Rain ShowersHourly details
Day
71°FPartly sunny. A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 70s. Chance of rain 70 percent.
Night
55°FPartly cloudy in the evening then becoming mostly cloudy. Showers likely mainly in the evening. Lows in the lower 50s. Chance of rain 60 percent.
- 67|56°FRainHourly details
Day
67°FShowers likely in the morning then showers in the afternoon. Highs in the upper 60s. Chance of rain 90 percent.
Night
56°FShowers mainly in the evening. Lows in the lower 50s. Chance of rain 80 percent.
Weekend Weather
- 68|55°F70% Chance Rain Showers
Day
68°FShowers likely. Highs in the lower 70s. Chance of rain 70 percent.
Night
55°FPartly cloudy with probable rain. Chance of precipitation 65%. Low temperature around 55F. Dew point will be around 55F with an average humidity of 85%. Winds will be 5 mph from the W.
- 71|56°F50% Chance of Rain
Day
71°FPartly cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 71F. Dew point will be around 54F with an average humidity of 66%. Winds will be 3 mph from the NW.
Night
56°FPartly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 52F with an average humidity of 74%. Winds will be 2 mph from the NW.
- 72|63°FMostly Sunny
Day
72°FMostly sunny. High temperature around 72F. Dew point will be around 54F with an average humidity of 63%. Winds will be 3 mph from the S.
Night
63°FClear with a chance of rain. Chance of precipitation 40%. Low temperature around 63F. Dew point will be around 56F with an average humidity of 74%. Winds will be 4 mph from the S.
- 76|64°F40% Chance of Rain
Day
76°FPartly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 76F. Dew point will be around 59F with an average humidity of 67%. Winds will be 5 mph from the SW.
Night
64°FPartly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 64F. Dew point will be around 59F with an average humidity of 76%. Winds will be 3 mph from the SW.













