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: 6:05 AM CDT  ·  Refresh
26°C
Feels like 30°
Mostly Clear
▲ 36°  /  ▼ 25°
Wind
3 mph SW
Humidity
87%
Dew Point
24°
Pressure
30.10 inHg
Visibility
9 mi
UV Index
1.3
Cloud Cover
23%
Sunrise
6:51 AM
Sunset
8:12 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 2351 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 8:12PM.

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
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
21%
8 AM
26°
26%
9 AM
27°
28%
10 AM
29°
24%
11 AM
30°
24%
12 PM
32°
24%
1 PM
33°
24%
2 PM
34°
19%
3 PM
34°
24%
4 PM
34°
24%
5 PM
33°
37%
6 PM
32°
40%
7 PM
31°
40%
8 PM
29°
45%
9 PM
28°
45%
10 PM
28°
45%
11 PM
28°
39%
12 AM
27°
40%
1 AM
27°
31%
2 AM
26°
15%
3 AM
26°
30%
4 AM
26°
31%
5 AM
26°
31%
6 AM
25°
38%
7-Day Forecast
Today
36° 25°
Partly Cloudy with a 45% chance of rain.
Wed
35° 25°
Partly Cloudy with a 54% chance of rain.
Thu
36° 24°
Mostly Clear with a 63% chance of rain.
Fri
37° 24°
Clear with a 81% chance of rain.
Sat
37° 24°
Rain, 80% chance.
Sun
36° 25°
Rain, 63% chance.
Mon
37° 24°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 21% 3 mph SW 87%
8 AM 26° Mostly Clear 26% 4 mph SW 82%
9 AM 27° Partly Cloudy 28% 5 mph WSW 76%
10 AM 29° Partly Cloudy 24% 5 mph W 69%
11 AM 30° Partly Cloudy 24% 6 mph W 63%
12 PM 32° Partly Cloudy 24% 6 mph W 57%
1 PM 33° Partly Cloudy 24% 6 mph W 51%
2 PM 34° Partly Cloudy 19% 6 mph WSW 46%
3 PM 34° Partly Cloudy 24% 6 mph WSW 44%
4 PM 34° Partly Cloudy 24% 6 mph WSW 43%
5 PM 33° Partly Cloudy 37% 6 mph WSW 42%
6 PM 32° Partly Cloudy 40% 5 mph SW 49%
7 PM 31° Partly Cloudy 40% 5 mph SW 57%
8 PM 29° Partly Cloudy 45% 5 mph SSW 64%
9 PM 28° Partly Cloudy 45% 5 mph SW 67%
10 PM 28° Partly Cloudy 45% 5 mph SW 70%
11 PM 28° Partly Cloudy 39% 5 mph SW 74%
12 AM 27° Partly Cloudy 40% 5 mph WSW 75%
1 AM 27° Partly Cloudy 31% 6 mph WSW 75%
2 AM 26° Partly Cloudy 15% 7 mph WSW 74%
3 AM 26° Partly Cloudy 30% 6 mph WSW 76%
4 AM 26° Partly Cloudy 31% 6 mph WSW 77%
5 AM 26° Partly Cloudy 31% 6 mph W 79%
6 AM 25° Partly Cloudy 38% 6 mph W 80%
15-Day Forecast
Today
8/11
Partly Cloudy
45%
25°
36°
Wed
8/12
Partly Cloudy
54%
25°
35°
Thu
8/13
Mostly Clear
63%
24°
36°
Fri
8/14
Clear
81%
24°
37°
Sat
8/15
Rain
80%
24°
37°
Sun
8/16
Rain
63%
25°
36°
Mon
8/17
Drizzle
53%
24°
37°
Tue
8/18
Rain
83%
26°
38°
Wed
8/19
Rain
72%
24°
36°
Thu
8/20
Drizzle
56%
24°
33°
Fri
8/21
Drizzle
67%
25°
35°
Sat
8/22
Drizzle
60%
25°
34°
Sun
8/23
Drizzle
60%
25°
34°
Mon
8/24
Drizzle
60%
25°
34°
Tue
8/25
Drizzle
60%
25°
33°
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 7.7 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 28 43
Wed 39 Good 20 39
Thu 31 Good 21 31
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
SBCAPE1516 J/kg
MLCAPE384 J/kg
MUCAPE1516 J/kg
SBCIN-152 J/kg
MLCIN0 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear8 kt
0–1 km Shear8 kt
Eff. Shear8 kt
0–1 km SRH34
0–3 km SRH35
Eff. SRH35
Storm Motion0° @ 13 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.5
Thermo & Levels
PWAT1.86 in
0–3 km LR4.8 °C/km
700–500 LR6.2 °C/km
Total Totals45.6
LCL993 hPa
LFC798 hPa
EL162 hPa
Freezing Lvl15,935 ft