Small Craft Advisory — Chesapeake Bay north of Pooles Island MD, AN, Chesapeake Bay from Pooles Island to Sandy Point MD, AN, Chesapeake Bay from Sandy Point to North Beach MD, AN, Chesapeake Bay from North Beach to Drum Point MD, AN, Tidal Potomac from Key Bridge to Indian Head MD, AN, Tidal Potomac from Indian Head to Cobb Island MD, AN, Patapsco River including Baltimore Harbor, AN, Chester River to Queenstown MD, AN, Eastern Bay, AN, Choptank River to Cambridge MD and the Little Choptank River, AN, Patuxent River to Broomes Island MD, AN 9:00 PM

Bar Harbor, Maine

Last updated: 3:51 PM CDT  ·  Refresh
16°C
Feels like 16°
Overcast
▲ 18°  /  ▼ 14°
Wind
7 mph SSE
Humidity
97%
Dew Point
15°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
1.5
Cloud Cover
97%
Sunrise
6:09 AM
Sunset
6:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bar Harbor is currently overcast at 16°C. Precipitation is likely — peak probability 75% around 4 PM. Sunrise: 6:09AM · Sunset: 6:47PM.

Alerts

Small Craft Advisory
Chesapeake Bay north of Pooles Island MD, AN, Chesapeake Bay from Pooles Island to Sandy Point MD, AN, Chesapeake Bay from Sandy Point to North Beach MD, AN, Chesapeake Bay from North Beach to Drum Point MD, AN, Tidal Potomac from Key Bridge to Indian Head MD, AN, Tidal Potomac from Indian Head to Cobb Island MD, AN, Patapsco River including Baltimore Harbor, AN, Chester River to Queenstown MD, AN, Eastern Bay, AN, Choptank River to Cambridge MD and the Little Choptank River, AN, Patuxent River to Broomes Island MD, AN
Expires 9:00 PM
33 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
75%
5 PM
17°
60%
6 PM
17°
49%
7 PM
17°
24%
8 PM
16°
19%
9 PM
16°
13%
10 PM
16°
13%
11 PM
16°
17%
12 AM
16°
40%
1 AM
16°
28%
2 AM
16°
38%
3 AM
16°
43%
4 AM
16°
46%
5 AM
16°
55%
6 AM
16°
20%
7 AM
17°
20%
8 AM
18°
12%
9 AM
19°
12%
10 AM
19°
12%
11 AM
19°
5%
12 PM
21°
3%
1 PM
21°
3%
2 PM
20°
3%
3 PM
19°
3%
7-Day Forecast
Today
18° 14°
Overcast with a 75% chance of rain.
Mon
22° 10°
Fog with a 46% chance of rain.
Tue
21° 9°
Mostly Clear.
Wed
21° 11°
Partly Cloudy with a 57% chance of rain.
Thu
21° 11°
Drizzle, 60% chance.
Fri
20° 11°
Rain, 81% chance.
Sat
20° 10°
Drizzle, 68% chance.
TimeTempConditionsPrecipWindHumidity
Now 16° Overcast 75% 7 mph SSE 97%
5 PM 17° Overcast 60% 7 mph SSE 97%
6 PM 17° Overcast 49% 6 mph SSE 96%
7 PM 17° Fog 24% 4 mph SE 97%
8 PM 16° Fog 19% 4 mph SE 98%
9 PM 16° Fog 13% 3 mph ESE 98%
10 PM 16° Fog 13% 2 mph SE 98%
11 PM 16° Overcast 17% 1 mph SSE 98%
12 AM 16° Haze 40% 1 mph SW 98%
1 AM 16° Fog 28% 2 mph SSW 98%
2 AM 16° Fog 38% 2 mph SW 98%
3 AM 16° Fog 43% 4 mph SW 98%
4 AM 16° Overcast 46% 5 mph SW 98%
5 AM 16° Overcast 55% 6 mph WSW 97%
6 AM 16° Overcast 20% 6 mph WSW 96%
7 AM 17° Fog 20% 7 mph W 95%
8 AM 18° Mostly Cloudy 12% 8 mph W 88%
9 AM 19° Mostly Cloudy 12% 9 mph W 79%
10 AM 19° Partly Cloudy 12% 10 mph W 73%
11 AM 19° Partly Cloudy 5% 11 mph W 68%
12 PM 21° Partly Cloudy 3% 12 mph W 62%
1 PM 21° Partly Cloudy 3% 12 mph WNW 57%
2 PM 20° Partly Cloudy 3% 12 mph WNW 58%
3 PM 19° Partly Cloudy 3% 12 mph WNW 59%
15-Day Forecast
Today
9/13
Overcast
75%
14°
18°
Mon
9/14
Fog
46%
10°
22°
Tue
9/15
Mostly Clear
3%
9°
21°
Wed
9/16
Partly Cloudy
57%
11°
21°
Thu
9/17
Drizzle
60%
11°
21°
Fri
9/18
Rain
81%
11°
20°
Sat
9/19
Drizzle
68%
10°
20°
Sun
9/20
Drizzle
68%
7°
17°
Mon
9/21
Drizzle
60%
6°
17°
Tue
9/22
Drizzle
60%
7°
18°
Wed
9/23
Drizzle
60%
9°
17°
Thu
9/24
Clear
60%
9°
19°
Fri
9/25
Clear
60%
9°
19°
Sat
9/26
Drizzle
60%
9°
19°
Sun
9/27
Clear
60%
9°
19°
33
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
23 AQI 4.2 µg/m³
O3
Ground-level ozone
Dominant
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 33 Good 33 23
Tue 28 Good 28 20
Wed 25 Good 25 16
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE13 J/kg
MUCAPE115 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index7.3
Kinematics
0–6 km Shear30 kt
0–1 km Shear18 kt
Eff. Shear16 kt
0–1 km SRH138
0–3 km SRH184
Eff. SRH59
Storm Motion271° @ 24 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.8
Thermo & Levels
PWAT1.84 in
0–3 km LR3.7 °C/km
700–500 LR5.2 °C/km
Total Totals45.7
LCL1002 hPa
LFC—
EL—
Freezing Lvl12,815 ft