🌤️ New York, NY 🌤️ Los Angeles, CA Chicago, IL 78° 🌤️ Houston, TX Miami, FL 89° Phoenix, AZ 116° Seattle, WA 86° 🌤️ Denver, CO Toronto, ON 77° Vancouver, BC 82°
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 · 6:13 PM EDT
95° | 76°
89°F
Feels like 96°
Partly cloudy
WindSE 9 mph · Gusts 11 mph
Precip17% · –
Humidity58% · Dew point 72°
UV index10 Very high
Air Quality65 Moderate
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:57 AM · 7:52 PM · 12h 55m

Weather map — Port Saint John

Full radar →
Now
89°
6%
9 mph
19:00
85°
17%
7 mph
20:00
81°
22%
7 mph
21:00
80°
24%
3 mph
22:00
81°
25%
4 mph
23:00
80°
25%
5 mph
00:00
79°
25%
5 mph
01:00
78°
24%
5 mph
02:00
78°
45%
4 mph
03:00
77°
22%
5 mph
04:00
76°
17%
4 mph
05:00
76°
19%
4 mph
06:00
75°
12%
4 mph
07:00
75°
11%
4 mph
08:00
77°
10%
3 mph
09:00
82°
5%
4 mph
10:00
87°
3%
4 mph
11:00
90°
3%
5 mph
12:00
92°
3%
5 mph
13:00
94°
3%
6 mph
14:00
94°
5%
8 mph
15:00
94°
9%
10 mph
16:00
93°
2%
11 mph
17:00
91°
2%
12 mph

Today · Tue 8/25

High 95°
17% / –

Sunny. Winds SE at 9 mph.

Tonight · Tue 8/25

Low 75°
24% / –

Partly cloudy. Winds SE at 3 mph.

Tomorrow · Wed 8/26

94° | 75°
36% / 0.02 in

Partly cloudy. Winds SE at 12 mph.

7-day trend

Port Saint John · temperature + precipitation

10-day forecast

Updated 6:13 PM

Details & indices

Wind
9 mph SE
Gusts 11 mph
Humidity
58%
Dew point 72°
Pressure
29.97 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Moderate
AQI 65 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Port Saint John

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
High

Sun & moon

Sunrise6:57 AM
Sunset7:52 PM
Length of day12h 55m
Moonrise6:33 PM
Moonset4:25 AM
Moon phase🌔 Waxing Gibbous · 95%
Next full moonAug 28 Sturgeon Moon
Latitude28.4769°N
Longitude-80.7887°E

Water temps nearby

View all →
Cocoa Beach (16 mi)85°
Daytona Beach (53 mi)83°
🌧️Rain continuing through the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Jacksonville
—
—
Miami
Mostly cloudy
89° 🌤️
Tampa
—
— 🌤️
Orlando
—
— 🌤️
St. Petersburg
—
—
Hialeah
Mostly cloudy
90°
Data sources · Tuesday, August 25
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: 6:13 PM
Weather in Port Saint John
The 10-day span for Port Saint John runs from a high near 98° on Thursday down to 73° overnight on Thursday. Models drop roughly 0.51 in of precipitation across the stretch — watch Friday (74%). No active NWS alerts at the moment — quiet on the hazards front. Right now Port Saint John is running about 15° warmer than Gainesville. 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: 6:13 PM