Saint Johns County, FL Weather Forecast
County weather hub
Sunny
Compare major city weather across Saint Johns County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 80.
County Weather Overview
This county weather page brings together forecast coverage for Saint Johns County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Saint Johns County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:39 PM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Johns County
Wednesday looks like the warmest upcoming period in Saint Johns County at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Sunday at about 5 to 14 mph E.
The forecast from Apr 12 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 3:39 PM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- JAX
- Radar station
- KJAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 61.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 60.
Sunny, with a high near 84.
Mostly clear, with a low around 61.
Sunny, with a high near 86.
Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Sunny
|
80°F |
5 to 14 mph
E
|
|
Sunday Night
Apr 12
|
Mostly Clear
|
61°F |
5 to 12 mph
E
|
|
Monday
Apr 13
|
Mostly Sunny
|
82°F |
5 to 12 mph
E
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
60°F |
2 to 10 mph
SE
|
|
Tuesday
Apr 14
|
Sunny
|
84°F |
2 to 10 mph
SE
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
61°F |
3 to 10 mph
SE
|
|
Wednesday
Apr 15
|
Sunny
|
86°F |
2 to 10 mph
SE
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
62°F |
3 to 9 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Johns County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Saint Johns County.
Largest mapped city population in this region: 20,019.
