Heat Advisory — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Inland Glynn, GA, Coastal Glynn, GA, Inland Camden, GA, Coastal Camden, GA 6:00 PM

Jacksonville, Florida

Last updated: 5:59 AM CDT  ·  Refresh
26°C
Feels like 31°
Mostly Clear
▲ 36°  /  ▼ 25°
Wind
4 mph SW
Humidity
87%
Dew Point
24°
Pressure
30.09 inHg
Visibility
10 mi
UV Index
1.0
Cloud Cover
21%
Sunrise
6:51 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jacksonville is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2388 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 8:11PM.

Alerts

Heat Advisory
Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Inland Glynn, GA, Coastal Glynn, GA, Inland Camden, GA, Coastal Camden, GA
Expires 6:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
7%
7 AM
25°
24%
8 AM
27°
24%
9 AM
29°
24%
10 AM
31°
24%
11 AM
32°
24%
12 PM
32°
24%
1 PM
34°
19%
2 PM
34°
24%
3 PM
34°
29%
4 PM
34°
29%
5 PM
33°
40%
6 PM
32°
28%
7 PM
30°
20%
8 PM
29°
21%
9 PM
29°
23%
10 PM
28°
24%
11 PM
28°
15%
12 AM
28°
15%
1 AM
27°
15%
2 AM
27°
16%
3 AM
27°
16%
4 AM
26°
16%
5 AM
26°
22%
7-Day Forecast
Today
36° 25°
Partly Cloudy with a 29% chance of rain.
Wed
36° 25°
Partly Cloudy with a 54% chance of rain.
Thu
36° 25°
Mostly Clear with a 63% chance of rain.
Fri
36° 25°
Clear with a 81% chance of rain.
Sat
36° 26°
Rain, 80% chance.
Sun
35° 25°
Rain, 63% chance.
Mon
36° 24°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 7% 4 mph SW 87%
7 AM 25° Mostly Clear 24% 4 mph SW 84%
8 AM 27° Partly Cloudy 24% 4 mph WSW 77%
9 AM 29° Partly Cloudy 24% 5 mph WSW 68%
10 AM 31° Partly Cloudy 24% 6 mph W 60%
11 AM 32° Partly Cloudy 24% 6 mph W 55%
12 PM 32° Partly Cloudy 24% 6 mph W 51%
1 PM 34° Partly Cloudy 19% 6 mph W 46%
2 PM 34° Partly Cloudy 24% 5 mph WSW 45%
3 PM 34° Mostly Clear 29% 5 mph WSW 44%
4 PM 34° Mostly Clear 29% 6 mph SW 43%
5 PM 33° Mostly Clear 40% 6 mph SW 49%
6 PM 32° Mostly Clear 28% 6 mph SSW 56%
7 PM 30° Mostly Clear 20% 6 mph S 62%
8 PM 29° Partly Cloudy 21% 5 mph S 65%
9 PM 29° Partly Cloudy 23% 4 mph SSW 68%
10 PM 28° Partly Cloudy 24% 5 mph SW 71%
11 PM 28° Partly Cloudy 15% 5 mph WSW 71%
12 AM 28° Partly Cloudy 15% 5 mph WSW 70%
1 AM 27° Partly Cloudy 15% 7 mph WSW 68%
2 AM 27° Partly Cloudy 16% 6 mph WSW 70%
3 AM 27° Partly Cloudy 16% 6 mph WSW 72%
4 AM 26° Partly Cloudy 16% 6 mph WSW 74%
5 AM 26° Partly Cloudy 22% 6 mph WSW 76%
15-Day Forecast
Today
8/11
Partly Cloudy
29%
25°
36°
Wed
8/12
Partly Cloudy
54%
25°
36°
Thu
8/13
Mostly Clear
63%
25°
36°
Fri
8/14
Clear
81%
25°
36°
Sat
8/15
Rain
80%
26°
36°
Sun
8/16
Rain
63%
25°
35°
Mon
8/17
Drizzle
53%
24°
36°
Tue
8/18
Rain
83%
26°
37°
Wed
8/19
Rain
72%
24°
35°
Thu
8/20
Drizzle
55%
24°
34°
Fri
8/21
Drizzle
67%
26°
34°
Sat
8/22
Drizzle
60%
25°
34°
Sun
8/23
Drizzle
60%
25°
34°
Mon
8/24
Rain
90%
26°
33°
Tue
8/25
Drizzle
60%
25°
33°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 27 41
Wed 40 Good 26 40
Thu 28 Good 20 28
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 Tue Aug 11, 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
SBCAPE1720 J/kg
MLCAPE511 J/kg
MUCAPE1720 J/kg
SBCIN-129 J/kg
MLCIN0 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear8 kt
0–1 km Shear6 kt
Eff. Shear7 kt
0–1 km SRH26
0–3 km SRH25
Eff. SRH25
Storm Motion9° @ 12 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.4
Thermo & Levels
PWAT1.83 in
0–3 km LR5.0 °C/km
700–500 LR6.0 °C/km
Total Totals44.4
LCL992 hPa
LFC820 hPa
EL159 hPa
Freezing Lvl16,033 ft