Union County, FL Weather Forecast
County weather hub
Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 91.
County Weather Overview
This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 15 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 9:45 AM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Thursday looks like the warmest upcoming period in Union County at 93 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Wednesday Night at about 2 to 7 mph SE.
The forecast from Apr 15 through Apr 16 stays mostly dry.
Forecast Details
- Last updated
- Apr 10, 2026 9:45 AM EDT
- Coverage
- 2 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 60.
Mostly sunny, with a high near 93.
Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Sunny
|
91°F |
2 to 6 mph
SE
|
|
Wednesday Night
Apr 15
|
Mostly Clear
|
60°F |
2 to 7 mph
SE
|
|
Thursday
Apr 16
|
Mostly Sunny
|
93°F |
2 to 6 mph
S
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
61°F |
2 to 7 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Union County.
Largest mapped city population in this region: 1,789.