St Augustine, FL Weather Forecast
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St Augustine Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of Showers | Showers Likely | Showers Likely | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 70% | POP: 70% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 60% | POP: 60% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1002 AM EDT Wed Oct 28 2026 

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Issued: 924 AM EDT Wed Oct 28 2026
Key Messages
For the latest NE FL and SE GA Daily Key Messages please visit: https:/www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf- Coastal Flood Warnings Remain in Effect through Thursday Night along the coast, the Intracoastal Waterway, and the Entirety of the St. Johns River basin.
- Coastal and Marine Hazards Continue into the Upcoming Weekend. Extended Duration of Moderate Tidal Flooding within the St. Johns River Basin Continues into the Upcoming Weekend. High Surf Advisory through T...
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