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ZIP 04773 · Grand Isle, Maine

Current conditions and the National Weather Service 7-day forecast for ZIP code 04773, Grand Isle, Maine — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 52°F. Sunday Aug 30: a high near 71°F and a low around 46°F. The wettest day looks like Sunday Aug 30, near 0.04 in. Highs over the period run 67°F to 73°F.

National Weather Service forecast for ZIP 04773, Grand Isle, Maine
DayHighLowPrecip
Saturday Aug 2952°
Sunday Aug 3071°46°0.04 in
Monday Aug 3170°45°
Tuesday Sep 173°49°
Wednesday Sep 269°51°
Thursday Sep 367°50°
Friday Sep 468°49°
Saturday Sep 570°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/New York. The live page updates continuously.

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