Birch Harbor, ME Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Birch Harbor, ME.

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Current Conditions — Birch Harbor, ME

BAR HARBOR (KBHB)

Clear

37.4 F
Humidity:%
Wind Speed: 0.0 mph
Barometer:30.21 in
Dewpoint: F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 12:25 AM EDT
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5-Day Forecast — Birch Harbor, ME

Sunday

High 50 °F
Forecast Missing
Sunday
Night
Low 41 °F
Partly Cloudy
Monday

High 50 °F
Partly Sunny
Monday
Night
Low 39 °F
Mostly Clear
Tuesday

High 44 °F
Mostly Sunny
Tuesday
Night
Low 41 °F
Chance of Rain
Wednesday

High 44 °F
Chance of Rain Showers
Wednesday
Night
Low 42 °F
Chance of Rain
Thursday

High 44 °F
Rain

Detailed Forecast — Birch Harbor, ME

Sunday
Chance of Rain. High near 50°F.
Sunday Night
Partly Cloudy. Low around 41°F. Wind 3 to 5 mph, with gusts as high as 10 mph.
Monday
Partly Sunny. High near 50°F. Wind 5 to 8 mph, with gusts as high as 16 mph.
Monday Night
Mostly Clear. Low around 39°F. Wind 2 to 6 mph, with gusts as high as 12 mph.
Tuesday
Mostly Sunny. High near 44°F. Wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Chance of Rain. Low around 41°F. Wind 7 to 9 mph, with gusts as high as 17 mph.
Wednesday
Chance of Rain Showers. High near 44°F. Wind 10 to 12 mph, with gusts as high as 22 mph.
Wednesday Night
Chance of Rain. Low around 42°F. Wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday
Rain. High near 44°F. Wind 20 to 21 mph, with gusts as high as 28 mph.
Thursday Night
Rain. Low around 44°F. Wind 28 to 31 mph, with gusts as high as 39 mph.
Friday
Rain. High near 46°F. Wind 20 to 30 mph, with gusts as high as 35 mph.
Friday Night
Rain Likely. Low around 42°F. Wind 13 to 14 mph, with gusts as high as 20 mph.
Saturday
Chance of Rain. High near 46°F. Wind around 14 mph, with gusts as high as 17 mph.
Saturday Night
Chance of Rain. Low around 41°F. Wind 8 to 10 mph, with gusts as high as 16 mph.
ME Radar
Current Radar • ME
Day 1 Outlook • April 27, 2026

Observation History — Birch Harbor, ME

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
12:25 AM EDT 0.0 10.00 Clear -- 37.4 % NA NA 30.21 1023.0
12:20 AM EDT 0.0 10.00 Clear -- 37.4 % NA NA 30.21 1023.0
12:15 AM EDT 0.0 10.00 Clear -- 37.4 % NA NA 30.21 1023.0
12:00 AM EDT 0.0 8.00 Clear -- 39.2 % NA NA 30.21 1023.0
11:50 PM EDT 0.0 8.00 Clear -- 37.4 % NA NA 30.21 1023.0
11:40 PM EDT 0.0 7.00 Clear -- 37.4 % NA NA 30.21 1023.0
11:35 PM EDT 0.0 7.00 Clear -- 39.2 % NA NA 30.21 1023.0
11:30 PM EDT 0.0 8.00 Clear -- 39.2 % NA NA 30.21 1023.0
11:15 PM EDT 0.0 9.00 Clear -- 39.2 % NA NA 30.21 1023.0
11:00 PM EDT 0.0 8.00 Clear -- 39.2 % NA NA 30.20 1022.7
10:35 PM EDT 0.0 10.00 Clear -- 41.0 % NA NA 30.20 1022.7
10:30 PM EDT 0.0 10.00 Clear -- 41.0 % NA NA 30.20 1022.7
10:25 PM EDT 0.0 10.00 Clear -- 41.0 % NA NA 30.20 1022.7
10:15 PM EDT 0.0 10.00 Clear -- 41.0 % NA NA 30.20 1022.7
09:55 PM EDT 0.0 10.00 Clear -- 44.6 % NA NA 30.20 1022.7
09:50 PM EDT 0.0 10.00 Clear -- 44.6 % NA NA 30.20 1022.7
09:45 PM EDT 0.0 10.00 Clear -- 42.8 % NA NA 30.20 1022.7
09:35 PM EDT 0.0 10.00 Clear -- 44.6 % NA NA 30.19 1022.4
09:25 PM EDT 0.0 10.00 Clear -- 44.6 % NA NA 30.19 1022.4
09:10 PM EDT 0.0 10.00 Clear -- 44.6 % NA NA 30.19 1022.4
09:00 PM EDT 3.4 10.00 Clear -- 44.6 % 43.2 NA 30.19 1022.4
08:56 PM EDT 4.7 10.00 Clear -- 45.0 % 42.4 NA 30.19 1022.4
08:45 PM EDT SW 3.4 10.00 Clear -- 44.6 % 43.2 NA 30.18 1022.0
08:35 PM EDT 4.6 10.00 Clear -- 44.6 % 42.1 NA 30.18 1022.0

Regional Weather Observation

BAR HARBOR (KBHB)

Clear
37.4 F

BANGOR (KBGR)

Clear
41.0 F

ROCKLAND/KNOX (KRKD)

Clear
35.6 F

WATERVILLE (KWVL)

Clear
44.6 F

MILLINOCKET (KMLT)

Clear
42.8 F

AUGUSTA (KAUG)

Clear
44.6 F
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