Flood Advisory — Alamance County, NC, Durham County, NC, Orange County, NC 9:15 PM Areal Flood Advisory — Durham County, NC, Granville County, NC, Person County, NC, Vance County, NC 9:45 PM Areal Flood Watch 7:00 AM

Durham, North Carolina

Last updated: 7:34 PM CDT  ·  Refresh
23°C
Feels like 27°
Rain
▲ 26°  /  ▼ 20°
Wind
5 mph SSE
Humidity
94%
Dew Point
22°
Pressure
29.61 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
94%
Sunrise
6:38 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Durham is currently rain at 23°C. Precipitation is likely — peak probability 72% around 9 PM. Atmospheric instability is elevated (CAPE up to 993 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 7:57PM.

Alerts

Flood Advisory
Alamance County, NC, Durham County, NC, Orange County, NC
Expires 9:15 PM
Areal Flood Advisory
Durham County, NC, Granville County, NC, Person County, NC, Vance County, NC
Expires 9:45 PM
Areal Flood Watch
Expires 7:00 AM
47 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
58%
9 PM
23°
71%
10 PM
22°
70%
11 PM
22°
61%
12 AM
22°
60%
1 AM
22°
42%
2 AM
22°
35%
3 AM
22°
35%
4 AM
22°
31%
5 AM
20°
25%
6 AM
20°
33%
7 AM
20°
49%
8 AM
21°
49%
9 AM
22°
49%
10 AM
23°
49%
11 AM
23°
49%
12 PM
24°
49%
1 PM
25°
46%
2 PM
25°
50%
3 PM
27°
50%
4 PM
27°
50%
5 PM
27°
40%
6 PM
26°
40%
7 PM
26°
22%
7-Day Forecast
Tonight
26° 20°
Rain, 61% chance.
Sat
29° 20°
Mostly Cloudy with a 50% chance of rain.
Sun
30° 20°
Clear.
Mon
29° 18°
Clear with a 60% chance of rain.
Tue
31° 17°
Partly Cloudy.
Wed
32° 19°
Rain, 80% chance.
Thu
31° 20°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Rain 58% 5 mph SSE 94%
9 PM 23° Rain 71% 4 mph ESE 94%
10 PM 22° Rain 70% 5 mph SE 94%
11 PM 22° Rain 61% 4 mph SSE 94%
12 AM 22° Rain 60% 4 mph S 94%
1 AM 22° Overcast 42% 4 mph S 94%
2 AM 22° Overcast 35% 3 mph SSW 94%
3 AM 22° Overcast 35% 3 mph S 94%
4 AM 22° Overcast 31% 2 mph SSE 94%
5 AM 20° Overcast 25% 2 mph SSE 93%
6 AM 20° Mostly Cloudy 33% 2 mph SSE 93%
7 AM 20° Mostly Cloudy 49% 2 mph SSE 92%
8 AM 21° Mostly Cloudy 49% 3 mph S 88%
9 AM 22° Mostly Cloudy 49% 2 mph S 83%
10 AM 23° Mostly Cloudy 49% 2 mph SSW 77%
11 AM 23° Mostly Cloudy 49% 3 mph SW 74%
12 PM 24° Mostly Cloudy 49% 4 mph SW 72%
1 PM 25° Mostly Cloudy 46% 4 mph WSW 69%
2 PM 25° Mostly Cloudy 50% 4 mph WSW 67%
3 PM 27° Partly Cloudy 50% 4 mph SW 65%
4 PM 27° Partly Cloudy 50% 4 mph SW 63%
5 PM 27° Partly Cloudy 40% 4 mph SW 65%
6 PM 26° Partly Cloudy 40% 4 mph SW 68%
7 PM 26° Mostly Clear 22% 4 mph SSW 71%
15-Day Forecast
Today
8/21
Rain
61%
20°
26°
Sat
8/22
Mostly Cloudy
50%
20°
29°
Sun
8/23
Clear
12%
20°
30°
Mon
8/24
Clear
60%
18°
29°
Tue
8/25
Partly Cloudy
7%
17°
31°
Wed
8/26
Rain
80%
19°
32°
Thu
8/27
Rain
90%
20°
31°
Fri
8/28
Rain
63%
22°
32°
Sat
8/29
Drizzle
66%
19°
33°
Sun
8/30
Rain
72%
19°
33°
Mon
8/31
Drizzle
60%
20°
36°
Tue
9/1
Drizzle
60%
23°
34°
Wed
9/2
Drizzle
60%
23°
32°
Thu
9/3
Drizzle
60%
22°
32°
Fri
9/4
Drizzle
60%
22°
32°
47
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
42 AQI 7.6 µg/m³
O3
Ground-level ozone
Dominant
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 47 42
Sun 38 Good 38 27
Mon 36 Good 36 32
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 Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE433 J/kg
MLCAPE523 J/kg
MUCAPE835 J/kg
SBCIN-28 J/kg
MLCIN-16 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear18 kt
0–1 km Shear7 kt
Eff. Shear18 kt
0–1 km SRH11
0–3 km SRH105
Eff. SRH105
Storm Motion294° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.8
Thermo & Levels
PWAT2.38 in
0–3 km LR5.0 °C/km
700–500 LR5.4 °C/km
Total Totals47.6
LCL985 hPa
LFC780 hPa
EL293 hPa
Freezing Lvl14,236 ft