High Surf Advisory — Coastal Nassau, FL, Coastal Duval, FL, Coastal Flagler, FL, Northeast Coastal St. Johns, FL, Southeast Coastal St. Johns, FL, Coastal Glynn, GA, Coastal Camden, GA 1:00 AM Rip Current Statement — Coastal Nassau, FL, Coastal Duval, FL, Coastal Flagler, FL, Northeast Coastal St. Johns, FL, Southeast Coastal St. Johns, FL, Coastal Glynn, GA, Coastal Camden, GA 1:00 AM

Fernandina Beach, Florida

Last updated: 6:45 PM CDT  ·  Refresh
66°F
Feels like 58°
Mostly Cloudy
▲ 69°  /  ▼ 63°
Wind
18 mph NNE
Humidity
74%
Dew Point
58°
Pressure
30.24 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
68%
Sunrise
7:30 AM
Sunset
6:51 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Fernandina Beach is currently mostly cloudy at 66°F. Dry conditions are expected through the next 24 hours. Sunrise: 7:30AM · Sunset: 6:51PM.

Alerts

High Surf Advisory
Coastal Nassau, FL, Coastal Duval, FL, Coastal Flagler, FL, Northeast Coastal St. Johns, FL, Southeast Coastal St. Johns, FL, Coastal Glynn, GA, Coastal Camden, GA
Expires 1:00 AM
Rip Current Statement
Coastal Nassau, FL, Coastal Duval, FL, Coastal Flagler, FL, Northeast Coastal St. Johns, FL, Southeast Coastal St. Johns, FL, Coastal Glynn, GA, Coastal Camden, GA
Expires 1:00 AM
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
66°
33%
8 PM
68°
31%
9 PM
68°
18%
10 PM
68°
15%
11 PM
68°
14%
12 AM
69°
14%
1 AM
68°
18%
2 AM
68°
19%
3 AM
68°
17%
4 AM
67°
17%
5 AM
66°
17%
6 AM
65°
26%
7 AM
64°
29%
8 AM
65°
26%
9 AM
66°
17%
10 AM
67°
15%
11 AM
68°
4%
12 PM
68°
4%
1 PM
68°
3%
2 PM
68°
3%
3 PM
69°
3%
4 PM
69°
3%
5 PM
70°
3%
6 PM
69°
3%
7-Day Forecast
Tonight
69° 63°
Mostly Cloudy with a 33% chance of rain.
Mon
70° 62°
Partly Cloudy with a 29% chance of rain.
Tue
73° 60°
Clear.
Wed
73° 63°
Mostly Clear.
Thu
74° 61°
Clear.
Fri
74° 62°
Mostly Clear with a 38% chance of rain.
Sat
74° 67°
Overcast with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 66° Mostly Cloudy 33% 18 mph NNE 74%
8 PM 68° Mostly Cloudy 31% 19 mph NNE 74%
9 PM 68° Partly Cloudy 18% 19 mph NNE 73%
10 PM 68° Partly Cloudy 15% 19 mph NNE 72%
11 PM 68° Partly Cloudy 14% 19 mph NNE 72%
12 AM 69° Mostly Cloudy 14% 18 mph NNE 72%
1 AM 68° Mostly Cloudy 18% 18 mph NNE 72%
2 AM 68° Mostly Cloudy 19% 18 mph NNE 73%
3 AM 68° Mostly Cloudy 17% 18 mph NNE 74%
4 AM 67° Mostly Cloudy 17% 17 mph NNE 75%
5 AM 66° Mostly Cloudy 17% 17 mph NNE 77%
6 AM 65° Mostly Cloudy 26% 17 mph NNE 79%
7 AM 64° Mostly Cloudy 29% 17 mph N 81%
8 AM 65° Partly Cloudy 26% 17 mph N 81%
9 AM 66° Partly Cloudy 17% 18 mph N 79%
10 AM 67° Partly Cloudy 15% 18 mph N 77%
11 AM 68° Partly Cloudy 4% 18 mph N 75%
12 PM 68° Partly Cloudy 4% 17 mph NNE 72%
1 PM 68° Partly Cloudy 3% 17 mph NNE 70%
2 PM 68° Partly Cloudy 3% 16 mph NNE 68%
3 PM 69° Mostly Clear 3% 16 mph NNE 66%
4 PM 69° Mostly Clear 3% 15 mph NNE 64%
5 PM 70° Clear 3% 15 mph NNE 64%
6 PM 69° Clear 3% 14 mph NNE 64%
15-Day Forecast
Today
10/18
Mostly Cloudy
33%
63°
69°
Mon
10/19
Partly Cloudy
29%
62°
70°
Tue
10/20
Clear
3%
60°
73°
Wed
10/21
Mostly Clear
3%
63°
73°
Thu
10/22
Clear
3%
61°
74°
Fri
10/23
Mostly Clear
38%
62°
74°
Sat
10/24
Overcast
31%
67°
74°
Sun
10/25
Rain
63%
66°
74°
Mon
10/26
Rain
66%
66°
75°
Tue
10/27
Rain
54%
66°
76°
Wed
10/28
Rain
57%
66°
85°
Thu
10/29
Drizzle
60%
66°
83°
Fri
10/30
Drizzle
60%
66°
74°
Sat
10/31
Drizzle
60%
66°
75°
Sun
11/1
Drizzle
60%
67°
76°
36
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
21 AQI 3.9 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 36 Good 36 21
Tue 34 Good 34 20
Wed 38 Good 38 33
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 18, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1 J/kg
MLCAPE4 J/kg
MUCAPE1 J/kg
SBCIN-31 J/kg
MLCIN0 J/kg
Lifted Index7.6
Kinematics
0–6 km Shear8 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH17
0–3 km SRH79
Eff. SRH—
Storm Motion352° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-16.9
Thermo & Levels
PWAT0.76 in
0–3 km LR3.2 °C/km
700–500 LR6.5 °C/km
Total Totals34.5
LCL956 hPa
LFC863 hPa
EL845 hPa
Freezing Lvl15,052 ft