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, Nassau County, Florida, 32035, United States

Last updated: 5:17 PM CDT  ·  Refresh
26°C
Feels like 31°
Overcast
▲ 27°  /  ▼ 23°
Wind
5 mph SE
Humidity
89%
Dew Point
24°
Pressure
30.02 inHg
Visibility
7 mi
UV Index
0.9
Cloud Cover
99%
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 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 1242 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
26°
70%
7 PM
26°
90%
8 PM
26°
83%
9 PM
25°
76%
10 PM
23°
75%
11 PM
23°
54%
12 AM
23°
54%
1 AM
23°
72%
2 AM
24°
73%
3 AM
24°
73%
4 AM
23°
73%
5 AM
23°
47%
6 AM
24°
48%
7 AM
24°
48%
8 AM
24°
50%
9 AM
26°
50%
10 AM
27°
43%
11 AM
27°
43%
12 PM
28°
43%
1 PM
27°
44%
2 PM
27°
52%
3 PM
27°
52%
4 PM
27°
52%
5 PM
27°
62%
7-Day Forecast
Tonight
27° 23°
Overcast with a 76% chance of rain.
Mon
28° 23°
Mostly Cloudy with a 78% chance of rain.
Tue
27° 23°
Overcast with a 73% chance of rain.
Wed
26° 23°
Thunderstorm, 60% chance.
Thu
27° 22°
Rain, 81% chance.
Fri
27° 22°
Rain, 81% chance.
Sat
28° 23°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Overcast 70% 5 mph SE 89%
7 PM 26° Overcast 90% 7 mph SSE 92%
8 PM 26° Overcast 83% 6 mph NE 94%
9 PM 25° Rain 76% 4 mph NNE 95%
10 PM 23° Overcast 75% 5 mph NE 96%
11 PM 23° Overcast 54% 4 mph NE 96%
12 AM 23° Overcast 54% 4 mph NE 95%
1 AM 23° Overcast 72% 4 mph NE 94%
2 AM 24° Rain 73% 3 mph NE 94%
3 AM 24° Rain 73% 3 mph NE 94%
4 AM 23° Overcast 73% 4 mph NNE 94%
5 AM 23° Overcast 47% 4 mph NNE 94%
6 AM 24° Overcast 48% 4 mph NNE 94%
7 AM 24° Overcast 48% 4 mph NNE 94%
8 AM 24° Overcast 50% 4 mph N 90%
9 AM 26° Overcast 50% 4 mph N 89%
10 AM 27° Mostly Cloudy 43% 5 mph NNE 87%
11 AM 27° Mostly Cloudy 43% 6 mph NNE 86%
12 PM 28° Mostly Cloudy 43% 6 mph NE 86%
1 PM 27° Mostly Cloudy 44% 7 mph NE 86%
2 PM 27° Mostly Cloudy 52% 8 mph NE 86%
3 PM 27° Mostly Cloudy 52% 9 mph NE 86%
4 PM 27° Mostly Cloudy 52% 10 mph NE 86%
5 PM 27° Overcast 62% 11 mph NE 86%
15-Day Forecast
Today
10/4
Overcast
76%
23°
27°
Mon
10/5
Mostly Cloudy
78%
23°
28°
Tue
10/6
Overcast
73%
23°
27°
Wed
10/7
Thunderstorm
60%
23°
26°
Thu
10/8
Rain
81%
22°
27°
Fri
10/9
Rain
81%
22°
27°
Sat
10/10
Rain
90%
23°
28°
Sun
10/11
Rain
90%
24°
29°
Mon
10/12
Drizzle
69%
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°
25°
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1359 J/kg
MLCAPE1013 J/kg
MUCAPE1359 J/kg
SBCIN-2 J/kg
MLCIN-5 J/kg
Lifted Index-3.7
Kinematics
0–6 km Shear13 kt
0–1 km Shear7 kt
Eff. Shear14 kt
0–1 km SRH29
0–3 km SRH95
Eff. SRH95
Storm Motion280° @ 16 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT2.47 in
0–3 km LR5.8 °C/km
700–500 LR4.9 °C/km
Total Totals43.7
LCL986 hPa
LFC930 hPa
EL161 hPa
Freezing Lvl15,866 ft