Nassau County, FL Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Nassau County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny. High near 79, with temperatures falling to around 78 in the afternoon. Northeast wind 12 to 15 mph, with gusts as high as 25 mph.
County Weather Overview
This county weather page brings together forecast coverage for Nassau County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Nassau County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 3 to Jun 9, 2026
- Latest sync
- Jun 3, 2026 9:37 AM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Nassau County
Monday looks like the warmest upcoming period in Nassau County at 91 degrees F.
Tonight is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Today at about 12 to 15 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 3, 2026 9:37 AM EDT
- Coverage
- 7 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 63. Northeast wind 2 to 13 mph, with gusts as high as 22 mph.
Mostly sunny. High near 82, with temperatures falling to around 81 in the afternoon. Northeast wind 3 to 15 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 63. Northeast wind 0 to 12 mph, with gusts as high as 20 mph.
Mostly sunny. High near 84, with temperatures falling to around 83 in the afternoon. Northeast wind 1 to 12 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 66.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 3
|
Mostly Sunny
|
79°F |
12 to 15 mph
NE
|
|
Tonight
Jun 3
|
Mostly Clear
|
63°F |
2 to 13 mph
NE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
82°F |
3 to 15 mph
NE
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
63°F |
0 to 12 mph
NE
|
|
Friday
Jun 5
|
Mostly Sunny
|
84°F |
1 to 12 mph
NE
|
|
Friday Night
Jun 5
|
Mostly Clear
|
66°F |
0 to 8 mph
E
|
|
Saturday
Jun 6
|
Mostly Sunny
|
86°F |
0 to 10 mph
E
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
69°F |
0 to 9 mph
E
|
|
Sunday
Jun 7
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 8 mph
E
|
|
Sunday Night
Jun 7
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
72°F |
0 to 8 mph
E
|
|
Monday
Jun 8
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
91°F |
0 to 6 mph
NE
|
|
Monday Night
Jun 8
|
Chance Showers And Thunderstorms
|
73°F |
0 to 6 mph
SE
|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms
|
86°F |
1 to 9 mph
N
|
|
Tuesday Night
Jun 9
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
71°F |
1 to 8 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Nassau County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Nassau County.
Largest mapped city population in this region: 13,290.
