Weather in Newcastle, ME
Updated 2026-08-11 13:00 local time · ZIP codes 04553
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
81°2% rain
86°1% rain84°2% rain85°1% rain84°1% rain82°1% rain78°1% rain
74°1% rain72°2% rain70°3% rain68°4% rain67°5% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 5%).
It feels like 82°F with winds near 12 mph.
74°F, 1% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 18 mph.
Current temperature is 81°F, wind 12 mph, rain chance up to 5%.
UV index is 7. Sunscreen, shade and protective clothing are recommended.
Newcastle weather today
Cloudy and 81°F in Newcastle, ME. Today's high is 86°F with a 5% rain chance. Winds are around 12 mph with gusts near 14 mph. Relative humidity is 58%, pressure is 29.75 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Newcastle
Sunrise is at 05:37 AM and sunset is at 07:49 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 60°F. The maximum rain chance is 5%.