10-day forecast for Castine, ME: 56° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, August 10
70° · 0.37 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 66°0
Morning74°feels 74°
Afternoon81°feels 82°
Evening73°feels 74°
Overnight68°feels 68°
87 °
Castine, Monday, 10 August
Light rain. High 87°, low 66°.
Pressure29.94 inHg
Wind9.1 mph S
Humidity51%
Visibility6.2 mi
Dew point58°
Tue, 1177° / 61°0.05
Morning67°feels 68°
Afternoon71°feels 72°
Evening71°feels 71°
Overnight65°feels 66°
77 °
Castine, Tuesday, 11 August
Light rain. High 77°, low 61°.
Pressure29.71 inHg
Wind3.1 mph W
Humidity60%
Visibility6.2 mi
Dew point62°
Wed, 1279° / 59°0
Morning67°feels 66°
Afternoon79°feels 79°
Evening66°feels 66°
Overnight62°feels 61°
79 °
Castine, Wednesday, 12 August
Clear. High 79°, low 59°.
Pressure29.77 inHg
Wind8.9 mph NW
Humidity37%
Visibility6.2 mi
Dew point49°
Thu, 1370° / 61°0.37
Morning63°feels 64°
Afternoon69°feels 69°
Evening69°feels 69°
Overnight62°feels 62°
70 °
Castine, Thursday, 13 August
Rain. High 70°, low 61°.
Pressure29.62 inHg
Wind13.7 mph W
Humidity80%
Visibility—
Dew point61°
Fri, 1470° / 57°0
Morning60°feels 58°
Afternoon67°feels 66°
Evening67°feels 65°
Overnight60°feels 59°
70 °
Castine, Friday, 14 August
Mostly clear. High 70°, low 57°.
Pressure29.71 inHg
Wind17.2 mph W
Humidity57%
Visibility—
Dew point50°
Sat, 1570° / 59°0.01
Morning61°feels 60°
Afternoon67°feels 66°
Evening68°feels 67°
Overnight62°feels 61°
70 °
Castine, Saturday, 15 August
Light rain. High 70°, low 59°.
Pressure29.77 inHg
Wind18 mph NW
Humidity60%
Visibility—
Dew point51°
Sun, 1675° / 56°0
Morning60°feels 59°
Afternoon71°feels 70°
Evening71°feels 71°
Overnight59°feels 59°
75 °
Castine, Sunday, 16 August
Clear. High 75°, low 56°.
Pressure30.03 inHg
Wind8.7 mph N
Humidity51%
Visibility—
Dew point49°
Mon, 1766° / 60°0.01
Morning61°feels 61°
Afternoon63°feels 62°
Evening63°feels 62°
Overnight60°feels 60°
66 °
Castine, Monday, 17 August
Light rain. High 66°, low 60°.
Pressure30.06 inHg
Wind12.8 mph S
Humidity82%
Visibility—
Dew point56°
Tue, 1868° / 58°0.21
Morning60°feels 60°
Afternoon64°feels 64°
Evening66°feels 66°
Overnight59°feels 59°
68 °
Castine, Tuesday, 18 August
Light rain. High 68°, low 58°.
Pressure30.00 inHg
Wind5.7 mph NE
Humidity87%
Visibility—
Dew point59°
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 Castine, 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.