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WeatherLive › Florida › St. Johns

St. Johns, FL Weather (32259)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSt. Johns · 8:05 AM EDT
36° | 24°
26°C
Feels like 29°
Mostly cloudy
WindW 3 mph · Gusts 4 mph
Precip80% · 0.61 in
Humidity82% · Dew point 23°
UV index10 Very high
Air Quality34 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:57 AM · 8:01 PM · 13h 4m

Weather map — St. Johns

Full radar →
Now
26°
23%
3 mph
09:00
26°
24%
1 mph
10:00
28°
0.10 in
2 mph
11:00
27°
21%
1 mph
12:00
29°
10%
1 mph
13:00
29°
9%
2 mph
14:00
30°
17%
3 mph
15:00
36°
3%
4 mph
16:00
31°
7%
3 mph
17:00
36°
1%
4 mph
18:00
35°
10%
4 mph
19:00
29°
32%
6 mph
20:00
24°
0.37 in
12 mph
21:00
24°
0.03 in
9 mph
22:00
24°
32%
4 mph
23:00
24°
28%
4 mph
00:00
24°
0.08 in
4 mph
01:00
24°
0.07 in
4 mph
02:00
24°
28%
4 mph
03:00
24°
27%
4 mph
04:00
24°
27%
3 mph
05:00
24°
28%
3 mph
06:00
24°
28%
2 mph
07:00
24°
25%
3 mph

Today · Fri 8/21

High 36°
80% / 0.61 in

Mostly cloudy. Winds W at 12 mph.

Tonight · Fri 8/21

Low 24°
68% / 0.03 in

Showers. Winds NW at 9 mph.

Tomorrow · Sat 8/22

32° | 24°
75% / 0.15 in

Mostly cloudy. Winds W at 8 mph.

7-day trend

St. Johns · temperature + precipitation

10-day forecast

Updated 8:05 AM

Details & indices

Wind
3 mph W
Gusts 4 mph
Humidity
82%
Dew point 23°
Pressure
30.03 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Good
AQI 34 · US EPA
Allergy
Low
Ragweed
Visibility
6 mi
Clear view
Allergy — St. Johns

🌿 Conditions right now

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

Sun & moon

Sunrise6:57 AM
Sunset8:01 PM
Length of day13h 4m
Moonrise3:41 PM
Moonset12:48 AM
Moon phase🌓 First Quarter · 63%
Next full moonAug 28 Sturgeon Moon
Latitude30.0815°N
Longitude-81.5477°E

Water temps nearby

View all →
Jacksonville Beach (17 mi)84°
Amelia Island (41 mi)85°
🌤️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
—
—
Miami
Sunny
27°
Tampa
Mostly cloudy
24°
Orlando
Sunny
22° 🌤️
St. Petersburg
—
— 🌤️
Hialeah
—
—
Data sources · Friday, August 21
Where the St. Johns 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: 30.0815°N, -81.5477°.
NBM + global weather models
Updated: 8:05 AM
Weather in St. Johns
St. Johns's outlook: warmest day near 38° (Monday), coldest night about 23° (Thursday). Roughly 1.2 in of rain falls over the period, with Friday the most likely wet day (80%). The NWS alert board for this area is currently clear. Right now St. Johns is running about 56° warmer than Orlando. Longer view: wet-summer, dry-winter Florida rhythm, with hurricane season June–November.
St. Johns, FL · Elev 33 ft · 30.08°N, 81.55°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: 8:05 AM