New Castle County, Delaware, United States

Last updated: 9:04 PM CDT  ·  Refresh
19°C
Feels like 19°
Partly Cloudy
▲ 27°  /  ▼ 16°
Wind
10 mph N
Humidity
89%
Dew Point
18°
Pressure
29.91 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
55%
Sunrise
6:19 AM
Sunset
7:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: New Castle County is currently partly cloudy at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:19AM · Sunset: 7:51PM.

Alerts

No active alerts for this location.
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
16%
11 PM
19°
23%
12 AM
19°
23%
1 AM
19°
16%
2 AM
18°
3%
3 AM
18°
3%
4 AM
17°
3%
5 AM
16°
3%
6 AM
16°
3%
7 AM
16°
3%
8 AM
17°
3%
9 AM
18°
5%
10 AM
20°
5%
11 AM
21°
5%
12 PM
22°
5%
1 PM
25°
8%
2 PM
26°
9%
3 PM
26°
11%
4 PM
26°
20%
5 PM
26°
21%
6 PM
25°
21%
7 PM
24°
19%
8 PM
23°
19%
9 PM
22°
29%
7-Day Forecast
Tonight
27° 16°
Partly Cloudy.
Fri
27° 16°
Partly Cloudy with a 29% chance of rain.
Sat
24° 19°
Overcast with a 71% chance of rain.
Sun
29° 18°
Partly Cloudy with a 69% chance of rain.
Mon
28° 16°
Clear.
Tue
28° 17°
Rain, 61% chance.
Wed
29° 18°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Partly Cloudy 16% 10 mph N 89%
11 PM 19° Mostly Cloudy 23% 9 mph N 88%
12 AM 19° Overcast 23% 9 mph N 88%
1 AM 19° Overcast 16% 8 mph N 89%
2 AM 18° Mostly Cloudy 3% 7 mph N 89%
3 AM 18° Mostly Cloudy 3% 6 mph N 90%
4 AM 17° Overcast 3% 6 mph NNW 90%
5 AM 16° Mostly Cloudy 3% 6 mph NNW 91%
6 AM 16° Mostly Cloudy 3% 6 mph NNW 89%
7 AM 16° Mostly Cloudy 3% 7 mph N 86%
8 AM 17° Mostly Cloudy 3% 8 mph N 83%
9 AM 18° Partly Cloudy 5% 8 mph N 77%
10 AM 20° Partly Cloudy 5% 8 mph N 72%
11 AM 21° Partly Cloudy 5% 7 mph N 67%
12 PM 22° Partly Cloudy 5% 6 mph NNE 65%
1 PM 25° Partly Cloudy 8% 5 mph NNE 62%
2 PM 26° Mostly Cloudy 9% 4 mph NNE 60%
3 PM 26° Partly Cloudy 11% 4 mph NNE 58%
4 PM 26° Mostly Clear 20% 4 mph NNE 57%
5 PM 26° Clear 21% 4 mph NE 57%
6 PM 25° Mostly Clear 21% 3 mph NE 63%
7 PM 24° Mostly Clear 19% 3 mph NE 68%
8 PM 23° Mostly Clear 19% 3 mph ENE 73%
9 PM 22° Partly Cloudy 29% 2 mph SSE 76%
15-Day Forecast
Today
8/20
Partly Cloudy
16%
16°
27°
Fri
8/21
Partly Cloudy
29%
16°
27°
Sat
8/22
Overcast
71%
19°
24°
Sun
8/23
Partly Cloudy
69%
18°
29°
Mon
8/24
Clear
7%
16°
28°
Tue
8/25
Rain
61%
17°
28°
Wed
8/26
Rain
71%
18°
29°
Thu
8/27
Rain
82%
19°
28°
Fri
8/28
Drizzle
44%
19°
30°
Sat
8/29
Rain
68%
20°
31°
Sun
8/30
Rain
64%
19°
31°
Mon
8/31
Drizzle
60%
18°
30°
Tue
9/1
Drizzle
60%
18°
29°
Wed
9/2
Drizzle
60%
17°
29°
Thu
9/3
Drizzle
60%
17°
28°
46
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
46 AQI 8.3 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 36 46
Sat 44 Good 44 30
Sun 47 Good 31 47
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 Thu Aug 20, 23:00'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
MLCAPE18 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index5.3
Kinematics
0–6 km Shear38 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH-90
0–3 km SRH23
Eff. SRH—
Storm Motion287° @ 32 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index32.3
Thermo & Levels
PWAT1.85 in
0–3 km LR3.6 °C/km
700–500 LR5.5 °C/km
Total Totals42.7
LCL985 hPa
LFC—
EL—
Freezing Lvl15,289 ft