Fernandina Beach, Nassau County, Florida, United States

Last updated: 8:41 PM CDT · Refresh

28°C

Feels like 31°

Overcast

▲ 34° / ▼ 26°

Wind

8 mph SW

Humidity

77%

Dew Point

24°

Pressure

29.81 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

89%

Sunrise

6:41 AM

Sunset

8:22 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Fernandina Beach is currently overcast at 28°C. Precipitation is likely — peak probability 59% around 8 PM. Atmospheric instability is elevated (CAPE up to 1796 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 8:22PM.

60 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

28°

47%

10 PM

27°

46%

11 PM

26°

36%

12 AM

27°

47%

1 AM

26°

52%

2 AM

26°

35%

3 AM

26°

25%

4 AM

26°

25%

5 AM

26°

17%

6 AM

26°

20%

7 AM

26°

20%

8 AM

27°

32%

9 AM

29°

40%

10 AM

31°

40%

11 AM

32°

38%

12 PM

33°

41%

1 PM

36°

46%

2 PM

35°

46%

3 PM

34°

47%

4 PM

34°

47%

5 PM

32°

57%

6 PM

32°

58%

7 PM

31°

58%

8 PM

31°

59%

7-Day Forecast

Tonight

34° 26°

Overcast with a 47% chance of rain.

Thu

37° 26°

Mostly Clear with a 51% chance of rain.

Fri

37° 26°

Mostly Clear with a 59% chance of rain.

Sat

34° 26°

Heavy Rain, 90% chance.

Sun

34° 26°

Rain, 68% chance.

Mon

34° 25°

Rain, 82% chance.

Tue

34° 25°

Rain, 64% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 28° Overcast 47% 8 mph SW 77%

10 PM 27° Overcast 46% 9 mph SW 86%

11 PM 26° Mostly Cloudy 36% 9 mph WSW 88%

12 AM 27° Mostly Cloudy 47% 8 mph WSW 87%

1 AM 26° Overcast 52% 8 mph WSW 86%

2 AM 26° Overcast 35% 8 mph WSW 85%

3 AM 26° Mostly Cloudy 25% 8 mph WSW 84%

4 AM 26° Mostly Cloudy 25% 8 mph WSW 84%

5 AM 26° Mostly Cloudy 17% 8 mph WSW 83%

6 AM 26° Overcast 20% 8 mph WSW 83%

7 AM 26° Mostly Cloudy 20% 8 mph WSW 82%

8 AM 27° Partly Cloudy 32% 8 mph WSW 79%

9 AM 29° Partly Cloudy 40% 8 mph WSW 75%

10 AM 31° Mostly Clear 40% 8 mph SW 70%

11 AM 32° Mostly Clear 38% 8 mph SW 65%

12 PM 33° Clear 41% 8 mph SW 60%

1 PM 36° Clear 46% 8 mph SW 56%

2 PM 35° Clear 46% 8 mph SW 57%

3 PM 34° Mostly Clear 47% 8 mph SW 61%

4 PM 34° Mostly Clear 47% 8 mph SW 66%

5 PM 32° Partly Cloudy 57% 8 mph SW 68%

6 PM 32° Partly Cloudy 58% 7 mph SW 69%

7 PM 31° Partly Cloudy 58% 7 mph WSW 70%

8 PM 31° Partly Cloudy 59% 7 mph WSW 72%

15-Day Forecast

Today

7/29

Overcast

47%

26°

34°

Thu

7/30

Mostly Clear

51%

26°

37°

Fri

7/31

Mostly Clear

59%

26°

37°

Sat

8/1

Heavy Rain

90%

26°

34°

Sun

8/2

Rain

68%

26°

34°

Mon

8/3

Rain

82%

25°

34°

Tue

8/4

Rain

64%

25°

34°

Wed

8/5

Drizzle

63%

25°

34°

Thu

8/6

Rain

68%

26°

34°

Fri

8/7

Drizzle

68%

26°

35°

Sat

8/8

Clear

64%

26°

36°

Sun

8/9

Drizzle

60%

26°

37°

Mon

8/10

Drizzle

60%

26°

37°

Tue

8/11

Drizzle

60%

26°

37°

Wed

8/12

Drizzle

60%

26°

38°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

60 AQI 14.0 µg/m³

O₃

Ground-level ozone

39 AQI 43 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 60 Moderate 39 60

Fri 58 Moderate 38 58

Sat 58 Moderate 46 58

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Wed Jul 29, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1472 J/kg

MLCAPE1791 J/kg

MUCAPE2180 J/kg

SBCIN-209 J/kg

MLCIN0 J/kg

Lifted Index-4.4

Kinematics

0–6 km Shear24 kt

0–1 km Shear14 kt

Eff. Shear24 kt

0–1 km SRH23

0–3 km SRH5

Eff. SRH5

Storm Motion265° @ 26 kt

0–1 km EHI0.2

Composite Parameters

Sig. Tornado0.1

STP (eff)0.0

Supercell0.1

K-Index33.8

Thermo & Levels

PWAT2.26 in

0–3 km LR5.4 °C/km

700–500 LR5.9 °C/km

Total Totals49.0

LCL952 hPa

LFC757 hPa

EL179 hPa

Freezing Lvl15,289 ft

Fernandina Beach, Nassau County, Florida, United States

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