Wind Advisory — Delaware Beaches, DE, Eastern Monmouth, NJ, Atlantic Coastal Cape May, NJ, Coastal Atlantic, NJ, Coastal Ocean, NJ 11:00 PM High Surf Advisory — Delaware Beaches, DE 5:00 PM

Inland Bays Bethany Beach, Sussex County, Delaware, United States

Last updated: 10:06 PM CDT  ·  Refresh
19°C
Feels like 13°
Overcast
▲ 20°  /  ▼ 18°
Wind
25 mph NE
Humidity
84%
Dew Point
16°
Pressure
30.21 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
95%
Sunrise
6:48 AM
Sunset
6:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Inland Bays Bethany Beach is currently overcast at 19°C. Precipitation is likely — peak probability 84% around 1 AM. Sunrise: 6:48AM · Sunset: 6:57PM.

Alerts

Wind Advisory
Delaware Beaches, DE, Eastern Monmouth, NJ, Atlantic Coastal Cape May, NJ, Coastal Atlantic, NJ, Coastal Ocean, NJ
Expires 11:00 PM
High Surf Advisory
Delaware Beaches, DE
Expires 5:00 PM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
80%
12 AM
19°
81%
1 AM
20°
84%
2 AM
19°
76%
3 AM
19°
75%
4 AM
19°
74%
5 AM
19°
72%
6 AM
18°
72%
7 AM
18°
67%
8 AM
18°
58%
9 AM
18°
58%
10 AM
18°
58%
11 AM
18°
67%
12 PM
18°
67%
1 PM
19°
43%
2 PM
19°
31%
3 PM
20°
31%
4 PM
20°
30%
5 PM
21°
16%
6 PM
21°
16%
7 PM
20°
20%
8 PM
20°
19%
9 PM
19°
19%
10 PM
19°
17%
7-Day Forecast
Tonight
20° 18°
Overcast with a 80% chance of rain.
Wed
21° 18°
Overcast with a 76% chance of rain.
Thu
21° 17°
Overcast with a 82% chance of rain.
Fri
20° 15°
Overcast with a 60% chance of rain.
Sat
22° 15°
Drizzle, 60% chance.
Sun
23° 15°
Rain, 71% chance.
Mon
23° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 19° Overcast 80% 25 mph NE 84%
12 AM 19° Overcast 81% 24 mph NE 83%
1 AM 20° Overcast 84% 25 mph NE 85%
2 AM 19° Overcast 76% 24 mph NE 86%
3 AM 19° Overcast 75% 24 mph NE 85%
4 AM 19° Overcast 74% 25 mph NE 84%
5 AM 19° Overcast 72% 26 mph NE 82%
6 AM 18° Rain 72% 25 mph NE 81%
7 AM 18° Rain 67% 25 mph NE 82%
8 AM 18° Rain 58% 25 mph NE 82%
9 AM 18° Rain 58% 25 mph NE 80%
10 AM 18° Overcast 58% 25 mph NE 78%
11 AM 18° Overcast 67% 25 mph NE 77%
12 PM 18° Overcast 67% 26 mph NE 78%
1 PM 19° Overcast 43% 26 mph NE 77%
2 PM 19° Rain 31% 27 mph NE 82%
3 PM 20° Rain 31% 28 mph NE 80%
4 PM 20° Overcast 30% 29 mph NE 78%
5 PM 21° Overcast 16% 29 mph NE 76%
6 PM 21° Overcast 16% 29 mph NE 76%
7 PM 20° Overcast 20% 29 mph NE 76%
8 PM 20° Overcast 19% 29 mph NE 76%
9 PM 19° Mostly Cloudy 19% 28 mph NE 74%
10 PM 19° Partly Cloudy 17% 29 mph NE 73%
15-Day Forecast
Today
9/22
Overcast
80%
18°
20°
Wed
9/23
Overcast
76%
18°
21°
Thu
9/24
Overcast
82%
17°
21°
Fri
9/25
Overcast
60%
15°
20°
Sat
9/26
Drizzle
60%
15°
22°
Sun
9/27
Rain
71%
15°
23°
Mon
9/28
Clear
15%
17°
23°
Tue
9/29
Clear
3%
17°
23°
Wed
9/30
Clear
18%
18°
25°
Thu
10/1
Rain
68%
19°
24°
Fri
10/2
Drizzle
60%
19°
25°
Sat
10/3
Drizzle
60%
18°
24°
Sun
10/4
Drizzle
60%
19°
23°
Mon
10/5
Drizzle
60%
17°
22°
Tue
10/6
Drizzle
60%
16°
21°
30
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
8 AQI 1.5 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 8
Thu 26 Good 26 8
Fri 28 Good 28 7
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Sep 23, 01:00'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
SBCAPE20 J/kg
MLCAPE6 J/kg
MUCAPE0 J/kg
SBCIN-4 J/kg
MLCIN0 J/kg
Lifted Index6.1
Kinematics
0–6 km Shear42 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH22
0–3 km SRH186
Eff. SRH—
Storm Motion333° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.9
Thermo & Levels
PWAT1.77 in
0–3 km LR4.2 °C/km
700–500 LR5.3 °C/km
Total Totals39.1
LCL981 hPa
LFC970 hPa
EL867 hPa
Freezing Lvl13,425 ft