Areal Flood Advisory — Baker County, FL, Duval County, FL, Nassau County, FL, Charlton County, GA 5:30 PM Areal Flood Advisory — Nassau County, FL, Camden County, GA 5:30 PM Areal Flood Advisory — Baker County, FL, Nassau County, FL, Charlton County, GA 7:30 PM Flood Watch 7:00 AM

Fernandina Beach, Florida

Last updated: 4:57 PM CDT  ·  Refresh
27°C
Feels like 31°
Overcast
▲ 27°  /  ▼ 23°
Wind
4 mph SSE
Humidity
88%
Dew Point
24°
Pressure
30.03 inHg
Visibility
10 mi
UV Index
1.5
Cloud Cover
94%
Sunrise
7:21 AM
Sunset
7:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fernandina Beach is currently overcast at 26°C. Precipitation is likely — peak probability 84% around 6 PM. Atmospheric instability is elevated (CAPE up to 1274 J/kg) — isolated convective development possible. Sunrise: 7:21AM · Sunset: 7:07PM.

Alerts

Areal Flood Advisory
Baker County, FL, Duval County, FL, Nassau County, FL, Charlton County, GA
Expires 5:30 PM
Areal Flood Advisory
Nassau County, FL, Camden County, GA
Expires 5:30 PM
Areal Flood Advisory
Baker County, FL, Nassau County, FL, Charlton County, GA
Expires 7:30 PM
Flood Watch
Expires 7:00 AM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
66%
6 PM
26°
83%
7 PM
25°
81%
8 PM
25°
76%
9 PM
23°
75%
10 PM
23°
54%
11 PM
23°
54%
12 AM
23°
54%
1 AM
24°
71%
2 AM
24°
73%
3 AM
24°
73%
4 AM
24°
47%
5 AM
24°
72%
6 AM
24°
48%
7 AM
24°
48%
8 AM
26°
72%
9 AM
27°
55%
10 AM
27°
55%
11 AM
27°
55%
12 PM
27°
55%
1 PM
27°
56%
2 PM
27°
71%
3 PM
27°
71%
4 PM
27°
71%
7-Day Forecast
Today
27° 23°
Overcast with a 76% chance of rain.
Mon
27° 23°
Mostly Cloudy with a 78% chance of rain.
Tue
27° 23°
Overcast with a 90% chance of rain.
Wed
26° 23°
Thunderstorm, 60% chance.
Thu
27° 22°
Rain, 81% chance.
Fri
27° 22°
Rain, 90% chance.
Sat
28° 23°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 66% 4 mph SSE 88%
6 PM 26° Rain 83% 6 mph E 90%
7 PM 25° Overcast 81% 8 mph SW 93%
8 PM 25° Rain 76% 5 mph NNE 94%
9 PM 23° Overcast 75% 5 mph NE 95%
10 PM 23° Overcast 54% 5 mph ENE 96%
11 PM 23° Overcast 54% 4 mph ENE 95%
12 AM 23° Overcast 54% 4 mph NE 94%
1 AM 24° Overcast 71% 3 mph ENE 94%
2 AM 24° Rain 73% 3 mph NE 94%
3 AM 24° Overcast 73% 3 mph NE 94%
4 AM 24° Overcast 47% 4 mph N 94%
5 AM 24° Overcast 72% 4 mph N 94%
6 AM 24° Overcast 48% 4 mph N 94%
7 AM 24° Overcast 48% 5 mph NE 94%
8 AM 26° Rain 72% 4 mph N 88%
9 AM 27° Mostly Cloudy 55% 4 mph NNE 85%
10 AM 27° Mostly Cloudy 55% 4 mph NNE 83%
11 AM 27° Mostly Cloudy 55% 5 mph NNE 83%
12 PM 27° Mostly Cloudy 55% 6 mph NE 82%
1 PM 27° Mostly Cloudy 56% 6 mph NE 82%
2 PM 27° Mostly Cloudy 71% 7 mph NE 82%
3 PM 27° Mostly Cloudy 71% 8 mph NE 81%
4 PM 27° Partly Cloudy 71% 9 mph NE 81%
15-Day Forecast
Today
10/4
Overcast
76%
23°
27°
Mon
10/5
Mostly Cloudy
78%
23°
27°
Tue
10/6
Overcast
90%
23°
27°
Wed
10/7
Thunderstorm
60%
23°
26°
Thu
10/8
Rain
81%
22°
27°
Fri
10/9
Rain
90%
22°
27°
Sat
10/10
Rain
90%
23°
28°
Sun
10/11
Rain
79%
24°
29°
Mon
10/12
Drizzle
68%
24°
30°
Tue
10/13
Rain
90%
22°
30°
Wed
10/14
Drizzle
60%
22°
27°
Thu
10/15
Drizzle
60%
21°
27°
Fri
10/16
Drizzle
60%
20°
26°
Sat
10/17
Rain
90%
19°
25°
Sun
10/18
Drizzle
60%
18°
26°
28
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
16 AQI 2.9 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 28 Good 28 16
Tue 30 Good 30 12
Wed 38 Good 38 19
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 Sun Oct 4, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1695 J/kg
MLCAPE764 J/kg
MUCAPE1695 J/kg
SBCIN0 J/kg
MLCIN-8 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear15 kt
0–1 km Shear8 kt
Eff. Shear12 kt
0–1 km SRH15
0–3 km SRH59
Eff. SRH59
Storm Motion264° @ 21 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.4
Thermo & Levels
PWAT2.34 in
0–3 km LR5.8 °C/km
700–500 LR5.1 °C/km
Total Totals41.7
LCL982 hPa
LFC1017 hPa
EL152 hPa
Freezing Lvl15,784 ft