Hourly Weather Forecast - Castine, ME

12 AM
21°F
0%
6mph
NW
Partly Cloudy
Humidity
79%
Feels like
13°F
Dew Point
16°F
1 AM
21°F
0%
6mph
NW
Mostly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
16°F
2 AM
22°F
10%
6mph
NW
Mostly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
16°F
3 AM
22°F
10%
6mph
NW
Mostly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
17°F
4 AM
22°F
10%
6mph
WNW
Partly Cloudy
Humidity
81%
Feels like
15°F
Dew Point
17°F
5 AM
22°F
10%
6mph
WNW
Partly Cloudy
Humidity
83%
Feels like
15°F
Dew Point
18°F
6 AM
23°F
10%
5mph
WNW
Partly Cloudy
Humidity
84%
Feels like
16°F
Dew Point
19°F
7 AM
24°F
10%
5mph
WNW
Partly Cloudy
Humidity
81%
Feels like
17°F
Dew Point
19°F
7:09 AM
8 AM
25°F
10%
6mph
WNW
Partly Cloudy
Humidity
79%
Feels like
18°F
Dew Point
20°F
9 AM
27°F
10%
6mph
WNW
Partly Cloudy
Humidity
76%
Feels like
20°F
Dew Point
20°F
10 AM
28°F
10%
7mph
WNW
Partly Cloudy
Humidity
75%
Feels like
21°F
Dew Point
21°F
11 AM
29°F
10%
7mph
WNW
Partly Cloudy
Humidity
74%
Feels like
22°F
Dew Point
22°F
12 PM
31°F
20%
8mph
WNW
Partly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
23°F
1 PM
31°F
20%
9mph
WNW
Partly Cloudy
Humidity
75%
Feels like
24°F
Dew Point
24°F
2 PM
31°F
20%
8mph
WNW
Partly Cloudy
Humidity
77%
Feels like
24°F
Dew Point
25°F
3 PM
30°F
20%
8mph
WNW
Partly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
25°F
4 PM
30°F
30%
8mph
WNW
30% Chance Snow Showers
Humidity
84%
Feels like
22°F
Dew Point
25°F
4:00 PM
5 PM
29°F
30%
7mph
WNW
30% Chance Snow Showers
Humidity
84%
Feels like
22°F
Dew Point
25°F
6 PM
29°F
30%
7mph
NW
30% Chance Snow Showers
Humidity
86%
Feels like
22°F
Dew Point
26°F
7 PM
30°F
20%
7mph
NW
Partly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
26°F
8 PM
31°F
20%
8mph
NW
Partly Cloudy
Humidity
83%
Feels like
24°F
Dew Point
26°F
9 PM
32°F
20%
8mph
NW
Mostly Clear
Humidity
81%
Feels like
25°F
Dew Point
27°F
10 PM
32°F
20%
8mph
NW
Clear
Humidity
83%
Feels like
25°F
Dew Point
27°F
11 PM
31°F
20%
8mph
NW
Mostly Clear
Humidity
84%
Feels like
24°F
Dew Point
27°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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