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Open→Weather status
No active NWS alerts found for Grand Isle, Maine 04746
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Grand Isle, Maine 04746. Forecasts and alerts update from NOAA and the National Weather Service.
66°Chance Rain Showers56% rain
66°Patchy Fog54% rain66°Patchy Fog43% rain66°Patchy Fog47% rain65°Patchy Fog48% rain65°Areas Of Fog49% rain64°Areas Of Fog45% rain64°Areas Of Fog25% rainNext 24 hours
Rain Timeline
Most likely around 7 PM, 8 PM, 9 PM, 10 PM. Expected type: Rain / Thunderstorms.
56%Rain
54%None
43%None
47%None
48%None
49%None
45%None
25%None
23%None
27%None
27%None
22%None
23%None
35%None
51%None
54%None
48%Rain
47%Thunderstorms
47%Thunderstorms
46%Thunderstorms
44%Thunderstorms
43%Thunderstorms
43%Thunderstorms
43%Thunderstorms
Official NWS outlook
7-Day Forecast
Today
66°64°
Chance Rain Showers then Areas Of Fog
- Precipitation
- 56%
- Wind
- SE 3 to 7 mph
- Sunrise
- 5:40 AM
- Sunset
- 7:32 PM
Mon
76°56°
Areas Of Fog then Scattered Showers And Thunderstorms
- Precipitation
- 61%
- Wind
- S 5 to 8 mph
- Sunrise
- 5:42 AM
- Sunset
- 7:30 PM
Tue
73°53°
Areas Of Fog then Showers And Thunderstorms Likely
- Precipitation
- 64%
- Wind
- SW 3 mph
- Sunrise
- 5:43 AM
- Sunset
- 7:28 PM
Wed
74°53°
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
- Precipitation
- 20%
- Wind
- W 1 to 7 mph
- Sunrise
- 5:44 AM
- Sunset
- 7:26 PM
Thu
80°58°
Mostly Sunny
- Precipitation
- 33%
- Wind
- S 1 to 7 mph
- Sunrise
- 5:46 AM
- Sunset
- 7:25 PM
Fri
76°55°
Showers And Thunderstorms Likely
- Precipitation
- 74%
- Wind
- S 7 to 10 mph
- Sunrise
- 5:47 AM
- Sunset
- 7:23 PM
Sat
70°47°
Slight Chance Rain Showers
- Precipitation
- 15%
- Wind
- W 6 to 9 mph
- Sunrise
- 5:48 AM
- Sunset
- 7:21 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel66°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindE9 mph
Best walk timeNo clearly better outdoor window today
The official hourly forecast shows similar weather impacts across the available hours. Shorten or move plans indoors if conditions are uncomfortable, and check active alerts before leaving.
Official EPA AirNowLocal air qualityGrand Isle, Maine 04746View AQI +
More weather details
Wind gustsNot reported
Rain now56%next hour
Humidity94%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.86 in
Visibility10.0 mi
Peak rain chance56%
Dew point64°F
Active alertsNone
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