10-day forecast for South Newcastle, ME: 54° to 86°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Monday, August 10
75° · 0.26 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 67°0.03
Morning73°feels 73°
Afternoon82°feels 81°
Evening71°feels 73°
Overnight68°feels 68°
86 °
South Newcastle, Monday, 10 August
Light rain. High 86°, low 67°.
Pressure29.94 inHg
Wind8.5 mph S
Humidity37%
Visibility6.2 mi
Dew point56°
Tue, 1183° / 62°0.03
Morning68°feels 68°
Afternoon74°feels 75°
Evening71°feels 70°
Overnight67°feels 68°
83 °
South Newcastle, Tuesday, 11 August
Light rain. High 83°, low 62°.
Pressure29.71 inHg
Wind5.7 mph W
Humidity48%
Visibility6.2 mi
Dew point61°
Wed, 1283° / 60°0.06
Morning69°feels 69°
Afternoon83°feels 81°
Evening69°feels 69°
Overnight62°feels 62°
83 °
South Newcastle, Wednesday, 12 August
Light rain. High 83°, low 60°.
Pressure29.77 inHg
Wind8.7 mph NW
Humidity30%
Visibility6.2 mi
Dew point47°
Thu, 1375° / 60°0.26
Morning66°feels 66°
Afternoon72°feels 72°
Evening70°feels 71°
Overnight61°feels 61°
75 °
South Newcastle, Thursday, 13 August
Light rain. High 75°, low 60°.
Pressure29.59 inHg
Wind7.6 mph SW
Humidity71%
Visibility6.2 mi
Dew point64°
Fri, 1475° / 54°0
Morning58°feels 57°
Afternoon71°feels 70°
Evening71°feels 70°
Overnight60°feels 59°
75 °
South Newcastle, Friday, 14 August
Clear. High 75°, low 54°.
Pressure29.77 inHg
Wind15.1 mph NW
Humidity49%
Visibility—
Dew point48°
Sat, 1577° / 56°0
Morning61°feels 60°
Afternoon73°feels 72°
Evening73°feels 72°
Overnight59°feels 58°
77 °
South Newcastle, Saturday, 15 August
Clear. High 77°, low 56°.
Pressure29.97 inHg
Wind14.7 mph NW
Humidity38%
Visibility—
Dew point43°
Sun, 1681° / 55°0
Morning61°feels 59°
Afternoon76°feels 74°
Evening72°feels 71°
Overnight62°feels 61°
81 °
South Newcastle, Sunday, 16 August
Clear. High 81°, low 55°.
Pressure30.12 inHg
Wind9.5 mph S
Humidity34%
Visibility—
Dew point43°
Mon, 1774° / 60°0.02
Morning65°feels 64°
Afternoon73°feels 72°
Evening66°feels 66°
Overnight60°feels 60°
74 °
South Newcastle, Monday, 17 August
Light rain. High 74°, low 60°.
Pressure30.00 inHg
Wind9.7 mph S
Humidity50%
Visibility—
Dew point53°
Tue, 1872° / 57°0.08
Morning60°feels 61°
Afternoon65°feels 65°
Evening70°feels 69°
Overnight57°feels 57°
72 °
South Newcastle, Tuesday, 18 August
Light rain. High 72°, low 57°.
Pressure29.94 inHg
Wind10 mph NE
Humidity88%
Visibility—
Dew point60°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in South Newcastle, ME around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.