Saint Augustine Beach, FL Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Augustine Beach, FL in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 94, with temperatures falling to around 89 in the afternoon. Heat index values as high as 106. South wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Saint Augustine Beach, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 9:52 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Saint Augustine Beach, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:52 AM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Augustine Beach
Wednesday looks like the warmest upcoming period in Saint Augustine Beach at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Saturday at about 6 to 16 mph S.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:52 AM EDT
- Coverage
- 6 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
A chance of showers and thunderstorms before 2am. Partly cloudy. Low around 75, with temperatures rising to around 76 overnight. Heat index values as high as 100. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 11am. Mostly sunny. High near 93, with temperatures falling to around 88 in the afternoon. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Showers and thunderstorms likely after 8am. Partly sunny, with a high near 93. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
6 to 16 mph
S
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
75°F |
8 to 15 mph
S
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
93°F |
9 to 13 mph
S
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
75°F |
8 to 13 mph
S
|
|
Monday
Jul 20
|
Showers And Thunderstorms Likely
|
93°F |
9 to 14 mph
S
|
|
Monday Night
Jul 20
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
76°F |
8 to 12 mph
S
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
94°F |
12 mph
S
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
76°F |
6 to 10 mph
S
|
|
Wednesday
Jul 22
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
6 to 10 mph
S
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
5 to 9 mph
S
|
|
Thursday
Jul 23
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
S
|
|
Thursday Night
Jul 23
|
Chance Showers And Thunderstorms
|
76°F |
2 to 9 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Augustine Beach.
