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Saint John, Maine

Current conditions and the National Weather Service 7-day forecast for Saint John, Maine — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 54°F. Sunday Aug 30: a high near 73°F and a low around 46°F. The wettest day looks like Sunday Aug 30, near 0.04 in. Highs over the period run 70°F to 75°F.

National Weather Service forecast for Saint John, Maine
DayHighLowPrecip
Saturday Aug 2954°
Sunday Aug 3073°46°0.04 in
Monday Aug 3172°46°
Tuesday Sep 175°50°
Wednesday Sep 271°53°
Thursday Sep 370°51°
Friday Sep 470°50°
Saturday Sep 572°

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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