Wind Advisory — Coastal Gulf, FL, Coastal Franklin, FL, Coastal Wakulla, FL 7:00 PM Coastal Flood Advisory — South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL 1:00 PM High Surf Advisory — South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL 4:00 AM Rip Current Statement — South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL 4:00 AM

Port Saint Joe, Florida

Last updated: 2:24 PM CDT  ·  Refresh
28°C
Feels like 33°
Partly Cloudy
▲ 28°  /  ▼ 27°
Wind
27 mph SSE
Humidity
80%
Dew Point
24°
Pressure
29.82 inHg
Visibility
10 mi
UV Index
8.1
Cloud Cover
56%
Sunrise
6:54 AM
Sunset
8:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Port Saint Joe is currently partly cloudy at 28°C. Precipitation is likely — peak probability 80% around 7 PM. Atmospheric instability is elevated (CAPE up to 1833 J/kg) — isolated convective development possible. Sunrise: 6:54AM · Sunset: 8:40PM.

Alerts

Wind Advisory
Coastal Gulf, FL, Coastal Franklin, FL, Coastal Wakulla, FL
Expires 7:00 PM
Coastal Flood Advisory
South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL
Expires 1:00 PM
High Surf Advisory
South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL
Expires 4:00 AM
Rip Current Statement
South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL
Expires 4:00 AM
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
39%
4 PM
28°
51%
5 PM
28°
58%
6 PM
28°
66%
7 PM
28°
79%
8 PM
28°
63%
9 PM
28°
75%
10 PM
28°
74%
11 PM
28°
62%
12 AM
28°
58%
1 AM
27°
50%
2 AM
28°
57%
3 AM
28°
53%
4 AM
28°
61%
5 AM
28°
66%
6 AM
28°
77%
7 AM
28°
76%
8 AM
28°
68%
9 AM
28°
67%
10 AM
29°
67%
11 AM
29°
64%
12 PM
29°
64%
1 PM
29°
64%
2 PM
30°
64%
7-Day Forecast
Today
28° 27°
Mostly Cloudy with a 75% chance of rain.
Wed
31° 27°
Partly Cloudy with a 77% chance of rain.
Thu
31° 27°
Mostly Clear with a 33% chance of rain.
Fri
31° 26°
Partly Cloudy with a 38% chance of rain.
Sat
33° 27°
Clear.
Sun
33° 26°
Drizzle, 81% chance.
Mon
32° 27°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 39% 27 mph SSE 80%
4 PM 28° Mostly Cloudy 51% 25 mph SSE 81%
5 PM 28° Overcast 58% 24 mph SSE 80%
6 PM 28° Mostly Cloudy 66% 22 mph SSE 79%
7 PM 28° Mostly Cloudy 79% 22 mph SSE 77%
8 PM 28° Partly Cloudy 63% 21 mph SSE 77%
9 PM 28° Partly Cloudy 75% 19 mph SSE 78%
10 PM 28° Mostly Cloudy 74% 18 mph SSE 79%
11 PM 28° Mostly Cloudy 62% 18 mph SSE 80%
12 AM 28° Mostly Cloudy 58% 18 mph SSE 80%
1 AM 27° Mostly Cloudy 50% 18 mph SSE 80%
2 AM 28° Partly Cloudy 57% 19 mph SSE 80%
3 AM 28° Partly Cloudy 53% 18 mph SSE 80%
4 AM 28° Mostly Cloudy 61% 18 mph SSE 80%
5 AM 28° Mostly Cloudy 66% 18 mph S 80%
6 AM 28° Mostly Cloudy 77% 18 mph S 80%
7 AM 28° Mostly Cloudy 76% 18 mph S 81%
8 AM 28° Mostly Cloudy 68% 18 mph S 81%
9 AM 28° Mostly Cloudy 67% 18 mph S 80%
10 AM 29° Mostly Cloudy 67% 18 mph S 78%
11 AM 29° Rain 64% 18 mph S 77%
12 PM 29° Rain 64% 18 mph S 76%
1 PM 29° Rain 64% 18 mph S 76%
2 PM 30° Partly Cloudy 64% 18 mph S 76%
15-Day Forecast
Today
7/21
Mostly Cloudy
75%
27°
28°
Wed
7/22
Partly Cloudy
77%
27°
31°
Thu
7/23
Mostly Clear
33%
27°
31°
Fri
7/24
Partly Cloudy
38%
26°
31°
Sat
7/25
Clear
9%
27°
33°
Sun
7/26
Drizzle
81%
26°
33°
Mon
7/27
Drizzle
60%
27°
32°
Tue
7/28
Thunderstorm
60%
28°
34°
Wed
7/29
Thunderstorm
60%
27°
34°
Thu
7/30
Thunderstorm
90%
27°
33°
Fri
7/31
Thunderstorm
60%
26°
31°
Sat
8/1
Drizzle
60%
27°
31°
Sun
8/2
Drizzle
60%
27°
31°
Mon
8/3
Drizzle
60%
27°
31°
Tue
8/4
Drizzle
60%
27°
31°
42
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
42 AQI 7.6 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 42 Good 31 42
Thu 58 Moderate 27 58
Fri 57 Moderate 26 57
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 Jul 21, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1148 J/kg
MLCAPE606 J/kg
MUCAPE1148 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear10 kt
0–1 km Shear20 kt
Eff. Shear23 kt
0–1 km SRH60
0–3 km SRH63
Eff. SRH63
Storm Motion180° @ 22 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.1
STP (eff)0.3
Supercell0.8
K-Index34.0
Thermo & Levels
PWAT2.52 in
0–3 km LR5.8 °C/km
700–500 LR4.5 °C/km
Total Totals38.9
LCL947 hPa
LFC1010 hPa
EL168 hPa
Freezing Lvl17,854 ft