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Plan your week in Saint Johns County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Saint Johns County 7-Day Weather Forecast

Monday, Oct 19, 2026

Nighttime
71°F

Overcast

Feels like 71°F

Humidity

74%

Wind Speed

24.8 mph

Precipitation

0 in

Pressure

1021 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

98%

Dew Point

62°F

7-Day Weather Forecast

Today

Oct 19

Overcast
71°H
65°L
0%

Tue

Oct 20

Overcast
73°H
62°L
0%

Wed

Oct 21

Overcast
79°H
63°L
0%

Thu

Oct 22

Overcast
73°H
60°L
0%

Fri

Oct 23

Overcast
75°H
63°L
0%

Sat

Oct 24

Overcast
73°H
67°L
0%

Sun

Oct 25

Overcast
75°H
67°L
0%

24-Hour Forecast

9 AM

71°

0%

10 AM

70°

0%

11 AM

70°

0%

12 PM

70°

0%

1 PM

70°

0%

2 PM

70°

0%

3 PM

70°

0%

4 PM

70°

0%

5 PM

69°

0%

6 PM

70°

0%

7 PM

70°

0%

8 PM

69°

0%

9 PM

68°

0%

10 PM

67°

0%

11 PM

65°

0%

12 AM

64°

0%

1 AM

64°

0%

2 AM

65°

0%

3 AM

65°

0%

4 AM

65°

0%

5 AM

65°

0%

6 AM

64°

0%

7 AM

64°

0%

8 AM

64°

0%

Air Quality (AQI)

53Moderate

Air quality is acceptable. However, there may be a risk for some people.

PM2.5

18.1 µg/m³

PM10

28.2 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

First Quarter

First Quarter

Wind Conditions & Storm Tracking

Wind Direction

34.1° NE

Sustained Wind

24.8 mph

Wind Gusts

24.8 mph

7-Day Temp Range

Week's Hottest

79°F

Max Rain Prob

0%

Expected 7-Day Swings

60°
79°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Saint Johns County · 29.96°N, 81.45°W
Radar Page
Coordinates29.9605°N, 81.4457°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)53Moderate
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Saint Johns County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Saint Johns County Climate & Weather

Weather forecast for Saint Johns County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.