Hanahan, South Carolina

Last updated: 4:19 AM CDT  ·  Refresh
19°C
Feels like 21°
Partly Cloudy
▲ 27°  /  ▼ 18°
Wind
5 mph NE
Humidity
96%
Dew Point
19°
Pressure
30.07 inHg
Visibility
3 mi
UV Index
0.0
Cloud Cover
46%
Sunrise
6:40 AM
Sunset
5:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hanahan is currently partly cloudy at 19°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 667 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 5:26PM.

Alerts

No active alerts for this location.
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
6%
6 AM
19°
5%
7 AM
19°
3%
8 AM
21°
7%
9 AM
22°
5%
10 AM
23°
1%
11 AM
24°
1%
12 PM
24°
1%
1 PM
27°
1%
2 PM
27°
1%
3 PM
27°
1%
4 PM
26°
1%
5 PM
24°
2%
6 PM
23°
2%
7 PM
22°
2%
8 PM
22°
2%
9 PM
21°
3%
10 PM
21°
2%
11 PM
21°
2%
12 AM
20°
3%
1 AM
20°
4%
2 AM
20°
5%
3 AM
20°
5%
4 AM
20°
5%
7-Day Forecast
Today
27° 18°
Mostly Cloudy.
Thu
28° 18°
Mostly Clear.
Fri
28° 17°
Drizzle, 35% chance.
Sat
24° 13°
Mostly Clear.
Sun
21° 11°
Partly Cloudy.
Mon
21° 9°
Mostly Clear.
Tue
21° 8°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 19° Partly Cloudy 6% 5 mph NE 96%
6 AM 19° Partly Cloudy 5% 5 mph ENE 96%
7 AM 19° Partly Cloudy 3% 5 mph ENE 96%
8 AM 21° Mostly Clear 7% 6 mph E 92%
9 AM 22° Mostly Clear 5% 7 mph E 86%
10 AM 23° Partly Cloudy 1% 9 mph ESE 80%
11 AM 24° Mostly Cloudy 1% 9 mph ESE 76%
12 PM 24° Mostly Cloudy 1% 10 mph SE 71%
1 PM 27° Mostly Cloudy 1% 10 mph SE 67%
2 PM 27° Mostly Cloudy 1% 10 mph SE 67%
3 PM 27° Overcast 1% 9 mph SE 66%
4 PM 26° Mostly Cloudy 1% 8 mph SE 69%
5 PM 24° Overcast 2% 6 mph SE 75%
6 PM 23° Overcast 2% 4 mph ESE 82%
7 PM 22° Overcast 2% 4 mph ESE 87%
8 PM 22° Mostly Cloudy 2% 4 mph ESE 90%
9 PM 21° Mostly Cloudy 3% 4 mph ESE 90%
10 PM 21° Mostly Cloudy 2% 4 mph ESE 91%
11 PM 21° Mostly Cloudy 2% 3 mph SE 91%
12 AM 20° Mostly Cloudy 3% 2 mph ESE 92%
1 AM 20° Mostly Cloudy 4% 3 mph ESE 93%
2 AM 20° Mostly Cloudy 5% 3 mph ESE 93%
3 AM 20° Mostly Cloudy 5% 2 mph ESE 93%
4 AM 20° Mostly Cloudy 5% 2 mph ESE 94%
15-Day Forecast
Today
11/4
Mostly Cloudy
7%
18°
27°
Thu
11/5
Mostly Clear
5%
18°
28°
Fri
11/6
Drizzle
35%
17°
28°
Sat
11/7
Mostly Clear
1%
13°
24°
Sun
11/8
Partly Cloudy
2%
11°
21°
Mon
11/9
Mostly Clear
3%
9°
21°
Tue
11/10
Partly Cloudy
5%
8°
21°
Wed
11/11
Partly Cloudy
5%
9°
22°
Thu
11/12
Drizzle
4%
10°
22°
Fri
11/13
Mostly Clear
5%
11°
21°
Sat
11/14
Mostly Clear
8%
10°
21°
Sun
11/15
Drizzle
80%
12°
21°
Mon
11/16
Drizzle
82%
13°
21°
Tue
11/17
Drizzle
83%
13°
21°
Wed
11/18
Drizzle
70%
13°
21°
43
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
43 AQI 7.8 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 31 43
Thu 49 Good 31 49
Fri 44 Good 31 44
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 Nov 4, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE24 J/kg
MUCAPE148 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index4.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear16 kt
Eff. Shear20 kt
0–1 km SRH99
0–3 km SRH76
Eff. SRH27
Storm Motion272° @ 11 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index15.4
Thermo & Levels
PWAT1.42 in
0–3 km LR4.0 °C/km
700–500 LR4.8 °C/km
Total Totals34.4
LCL1012 hPa
LFC1018 hPa
EL1018 hPa
Freezing Lvl14,032 ft