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WeatherLive › Florida › Port Saint John

Port Saint John, FL Weather (32927)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherPort Saint John · 7:56 PM EDT
30° | 26°
27°C
Feels like 32°
Light rain
WindE 8 mph · Gusts 15 mph
Precip87% · 0.70 in
Humidity86% · Dew point 25°
UV index10 Very high
Air Quality31 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset7:02 AM · 7:42 PM · 12h 40m

Weather map — Port Saint John

Full radar →
Now
27°
0.09 in
8 mph
20:00
27°
0.09 in
9 mph
21:00
27°
0.09 in
8 mph
22:00
27°
0.09 in
7 mph
23:00
26°
0.09 in
6 mph
00:00
27°
37%
5 mph
01:00
26°
27%
4 mph
02:00
26°
19%
4 mph
03:00
26°
13%
4 mph
04:00
25°
14%
4 mph
05:00
25°
47%
4 mph
06:00
25°
27%
3 mph
07:00
25°
25%
3 mph
08:00
26°
22%
3 mph
09:00
28°
20%
4 mph
10:00
30°
17%
5 mph
11:00
31°
10%
5 mph
12:00
32°
8%
6 mph
13:00
34°
8%
7 mph
14:00
34°
11%
9 mph
15:00
33°
11%
10 mph
16:00
32°
13%
11 mph
17:00
31°
14%
10 mph
18:00
30°
15%
10 mph

Today · Thu 9/3

High 30°
87% / 0.70 in

Showers. Winds SE at 11 mph.

Tonight · Thu 9/3

Low 25°
81% / 0.09 in

Light rain. Winds SE at 8 mph.

Tomorrow · Fri 9/4

34° | 25°
54% / 0.04 in

Mostly cloudy. Winds SE at 11 mph.

7-day trend

Port Saint John · temperature + precipitation

10-day forecast

Updated 7:56 PM

Details & indices

Wind
8 mph E
Gusts 15 mph
Humidity
86%
Dew point 25°
Pressure
29.91 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Good
AQI 31 · US EPA
Allergy
Low
Ragweed
Visibility
6 mi
Clear view
Allergy — Port Saint John

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise7:02 AM
Sunset7:42 PM
Length of day12h 40m
Moonrise11:54 PM
Moonset1:33 PM
Moon phase🌗 Last Quarter · 54%
Next full moonSep 26 Harvest Moon
Latitude28.4769°N
Longitude-80.7887°E

Water temps nearby

View all →
Cocoa Beach (16 mi)85°
Daytona Beach (53 mi)83°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Jacksonville
Rain
28°
Miami
Partly cloudy
28°
Tampa
Mostly cloudy
28°
Orlando
Drizzle
26°
St. Petersburg
Partly cloudy
28°
Hialeah
Heavy rain
27°
Data sources · Thursday, September 3
Where the Port Saint John forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 28.4769°N, -80.7887°.
NBM + global weather models
Updated: 7:56 PM
Weather in Port Saint John
The 10-day span for Port Saint John runs from a high near 37° on Saturday down to 24° overnight on Tuesday. Models drop roughly 1.2 in of precipitation across the stretch — watch Thursday (87%). No active NWS alerts at the moment — quiet on the hazards front. Right now Port Saint John is running about 56° warmer than Cape Coral. Longer view: wet-summer, dry-winter Florida rhythm, with hurricane season June–November.
Port Saint John, FL · Elev 26 ft · 28.48°N, 80.79°W · Florida · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 7:56 PM