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: 11:02 AM CDT  ·  Refresh
27°C
Feels like 30°
Overcast
▲ 28°  /  ▼ 27°
Wind
25 mph SE
Humidity
83%
Dew Point
24°
Pressure
29.80 inHg
Visibility
9 mi
UV Index
4.8
Cloud Cover
87%
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 overcast at 27°C. Precipitation is likely — peak probability 80% around 10 PM. Atmospheric instability is elevated (CAPE up to 1560 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
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
75%
1 PM
27°
76%
2 PM
28°
62%
3 PM
28°
67%
4 PM
28°
66%
5 PM
28°
49%
6 PM
28°
68%
7 PM
28°
79%
8 PM
28°
76%
9 PM
28°
76%
10 PM
27°
80%
11 PM
27°
49%
12 AM
27°
55%
1 AM
28°
49%
2 AM
28°
41%
3 AM
28°
52%
4 AM
28°
65%
5 AM
28°
65%
6 AM
28°
65%
7 AM
27°
74%
8 AM
27°
74%
9 AM
27°
74%
10 AM
28°
69%
11 AM
29°
75%
7-Day Forecast
Today
28° 27°
Mostly Cloudy with a 76% chance of rain.
Wed
31° 27°
Rain, 75% chance.
Thu
32° 26°
Partly Cloudy with a 39% chance of rain.
Fri
32° 26°
Partly Cloudy with a 51% chance of rain.
Sat
32° 27°
Clear with a 29% chance of rain.
Sun
31° 27°
Rain, 82% chance.
Mon
32° 27°
Drizzle, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 75% 25 mph SE 83%
1 PM 27° Overcast 76% 27 mph SE 82%
2 PM 28° Mostly Cloudy 62% 28 mph SSE 82%
3 PM 28° Overcast 67% 27 mph SSE 81%
4 PM 28° Overcast 66% 25 mph SSE 81%
5 PM 28° Mostly Cloudy 49% 24 mph SSE 81%
6 PM 28° Mostly Cloudy 68% 24 mph SSE 80%
7 PM 28° Mostly Cloudy 79% 24 mph SSE 80%
8 PM 28° Mostly Cloudy 76% 21 mph SSE 79%
9 PM 28° Rain 76% 21 mph SSE 79%
10 PM 27° Mostly Cloudy 80% 19 mph SSE 80%
11 PM 27° Mostly Cloudy 49% 19 mph SSE 81%
12 AM 27° Partly Cloudy 55% 19 mph SSE 81%
1 AM 28° Mostly Cloudy 49% 19 mph SSE 81%
2 AM 28° Mostly Cloudy 41% 19 mph SSE 81%
3 AM 28° Mostly Cloudy 52% 19 mph SSE 80%
4 AM 28° Mostly Cloudy 65% 19 mph SSE 80%
5 AM 28° Partly Cloudy 65% 19 mph SSE 80%
6 AM 28° Partly Cloudy 65% 19 mph SSE 81%
7 AM 27° Mostly Cloudy 74% 19 mph SSE 81%
8 AM 27° Mostly Cloudy 74% 18 mph SSE 81%
9 AM 27° Mostly Cloudy 74% 18 mph SSE 79%
10 AM 28° Partly Cloudy 69% 19 mph S 78%
11 AM 29° Rain 75% 19 mph S 76%
15-Day Forecast
Today
7/21
Mostly Cloudy
76%
27°
28°
Wed
7/22
Rain
75%
27°
31°
Thu
7/23
Partly Cloudy
39%
26°
32°
Fri
7/24
Partly Cloudy
51%
26°
32°
Sat
7/25
Clear
29%
27°
32°
Sun
7/26
Rain
82%
27°
31°
Mon
7/27
Drizzle
71%
27°
32°
Tue
7/28
Drizzle
63%
28°
33°
Wed
7/29
Thunderstorm
90%
28°
33°
Thu
7/30
Thunderstorm
64%
27°
33°
Fri
7/31
Thunderstorm
64%
27°
31°
Sat
8/1
Drizzle
60%
27°
31°
Sun
8/2
Rain
90%
27°
31°
Mon
8/3
Drizzle
60%
27°
31°
Tue
8/4
Drizzle
60%
27°
31°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 38 Good 31 38
Thu 55 Moderate 27 55
Fri 55 Moderate 28 55
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, 14:00'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
SBCAPE1299 J/kg
MLCAPE559 J/kg
MUCAPE1299 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.5
Kinematics
0–6 km Shear15 kt
0–1 km Shear22 kt
Eff. Shear21 kt
0–1 km SRH14
0–3 km SRH32
Eff. SRH32
Storm Motion135° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.2
Supercell0.5
K-Index35.8
Thermo & Levels
PWAT2.58 in
0–3 km LR5.5 °C/km
700–500 LR4.9 °C/km
Total Totals40.8
LCL967 hPa
LFC1009 hPa
EL168 hPa
Freezing Lvl17,070 ft