Monthly Historical AveragesCastine, ME
Average Temperature
High
13°
Feels 12
Low
7°
Feels 5
Average Precipitation
11 Days
74.7mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, May 19, 2026
Day
22°Feels 22
Wind
21 km/h SE
Gust
32 km/h
Humidity
60%
P.O.P
30%
Night
17°Feels 17
Wind
19 km/h SW
Gust
29 km/h
Humidity
83%
P.O.P
30%
Historical AveragesMay 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity