Small Craft Advisory — Chesapeake Bay from Sandy Point to North Beach MD, AN, Chesapeake Bay from North Beach to Drum Point MD, AN, Tidal Potomac from Cobb Island MD to Smith Point VA, AN, Eastern Bay, AN, Choptank River to Cambridge MD and the Little Choptank River, AN 1:00 PM

Bar Harbor, Maine

Last updated: 6:24 PM CDT  ·  Refresh
17°C
Feels like 16°
Overcast
▲ 20°  /  ▼ 16°
Wind
6 mph E
Humidity
91%
Dew Point
16°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
0.6
Cloud Cover
93%
Sunrise
5:16 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bar Harbor is currently overcast at 17°C. Precipitation is likely — peak probability 74% around 12 PM. Sunrise: 5:16AM · Sunset: 8:01PM.

Alerts

Small Craft Advisory
Chesapeake Bay from Sandy Point to North Beach MD, AN, Chesapeake Bay from North Beach to Drum Point MD, AN, Tidal Potomac from Cobb Island MD to Smith Point VA, AN, Eastern Bay, AN, Choptank River to Cambridge MD and the Little Choptank River, AN
Expires 1:00 PM
39 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
30%
8 PM
19°
39%
9 PM
18°
53%
10 PM
18°
63%
11 PM
18°
71%
12 AM
18°
73%
1 AM
17°
70%
2 AM
17°
61%
3 AM
17°
52%
4 AM
17°
49%
5 AM
17°
50%
6 AM
17°
53%
7 AM
17°
55%
8 AM
17°
55%
9 AM
19°
60%
10 AM
19°
60%
11 AM
19°
71%
12 PM
19°
74%
1 PM
20°
74%
2 PM
19°
74%
3 PM
19°
73%
4 PM
19°
73%
5 PM
19°
62%
6 PM
19°
61%
7-Day Forecast
Tonight
20° 16°
Overcast with a 63% chance of rain.
Thu
21° 16°
Overcast with a 74% chance of rain.
Fri
25° 16°
Partly Cloudy with a 41% chance of rain.
Sat
27° 16°
Mostly Cloudy with a 56% chance of rain.
Sun
26° 16°
Fog with a 47% chance of rain.
Mon
26° 16°
Rain, 72% chance.
Tue
28° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 17° Overcast 30% 6 mph E 91%
8 PM 19° Overcast 39% 7 mph ENE 93%
9 PM 18° Overcast 53% 6 mph ENE 94%
10 PM 18° Heavy Rain 63% 6 mph ENE 95%
11 PM 18° Rain 71% 6 mph ENE 95%
12 AM 18° Rain 73% 6 mph ENE 95%
1 AM 17° Overcast 70% 7 mph ENE 96%
2 AM 17° Overcast 61% 7 mph NE 96%
3 AM 17° Overcast 52% 8 mph NE 95%
4 AM 17° Overcast 49% 8 mph NE 94%
5 AM 17° Overcast 50% 8 mph NE 93%
6 AM 17° Overcast 53% 9 mph NE 92%
7 AM 17° Rain 55% 10 mph NE 92%
8 AM 17° Rain 55% 10 mph NE 91%
9 AM 19° Rain 60% 10 mph NE 91%
10 AM 19° Rain 60% 10 mph NE 91%
11 AM 19° Rain 71% 10 mph NE 92%
12 PM 19° Rain 74% 10 mph NE 93%
1 PM 20° Overcast 74% 10 mph NE 95%
2 PM 19° Overcast 74% 10 mph NE 95%
3 PM 19° Overcast 73% 9 mph NE 95%
4 PM 19° Overcast 73% 8 mph NE 94%
5 PM 19° Overcast 62% 8 mph NE 94%
6 PM 19° Overcast 61% 8 mph NNE 94%
15-Day Forecast
Today
7/29
Overcast
63%
16°
20°
Thu
7/30
Overcast
74%
16°
21°
Fri
7/31
Partly Cloudy
41%
16°
25°
Sat
8/1
Mostly Cloudy
56%
16°
27°
Sun
8/2
Fog
47%
16°
26°
Mon
8/3
Rain
72%
16°
26°
Tue
8/4
Clear
15%
15°
28°
Wed
8/5
Partly Cloudy
8%
17°
30°
Thu
8/6
Drizzle
35%
17°
28°
Fri
8/7
Rain
66%
18°
27°
Sat
8/8
Drizzle
52%
17°
28°
Sun
8/9
Drizzle
60%
17°
27°
Mon
8/10
Drizzle
60%
16°
26°
Tue
8/11
Drizzle
60%
16°
26°
Wed
8/12
Drizzle
60%
16°
25°
39
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
21 AQI 3.9 µg/m³
O3
Ground-level ozone
Dominant
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 39 Good 39 21
Fri 33 Good 33 9
Sat 29 Good 29 18
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 Wed Jul 29, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE55 J/kg
MUCAPE216 J/kg
SBCIN-10885 J/kg
MLCIN0 J/kg
Lifted Index4.8
Kinematics
0–6 km Shear23 kt
0–1 km Shear10 kt
Eff. Shear14 kt
0–1 km SRH-26
0–3 km SRH-47
Eff. SRH-48
Storm Motion95° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index27.5
Thermo & Levels
PWAT1.49 in
0–3 km LR4.5 °C/km
700–500 LR5.4 °C/km
Total Totals42.6
LCL992 hPa
LFC—
EL—
Freezing Lvl11,811 ft