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Newcastle, Maine

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

Saturday Aug 29 night: a low around 55°F. Sunday Aug 30: a high near 84°F and a low around 54°F. The wettest day looks like Sunday Aug 30, near 0.14 in. Highs over the period run 74°F to 84°F.

National Weather Service forecast for Newcastle, Maine
DayHighLowPrecip
Saturday Aug 2955°
Sunday Aug 3084°54°0.14 in
Monday Aug 3182°54°
Tuesday Sep 176°54°0.10 in
Wednesday Sep 274°57°
Thursday Sep 378°57°
Friday Sep 476°55°
Saturday Sep 577°

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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