
NWS JAX Weather Impact Briefing
Isolated Severe Thunderstorms Possible Sunday Afternoon & Evening, and Scattered Severe Thunderstorms Possible Monday Read More >
Current conditions at
Northeast Florida Regional Airport (KSGJ)
Lat: 29.96°NLon: 81.34°WElev: 3ft.68°F
20°C
| Humidity | 96% |
| Wind Speed | E 7 mph |
| Barometer | 30.05 in (1017.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 15 Mar 2:56 am EDT |
Extended Forecast for
Saint Augustine FL
Overnight

Low: 64 °F
Slight Chance
ShowersSunday
High: 79 °F
Patchy Fog
then Showers
Likely and
Patchy FogSunday Night
Low: 65 °F
T-storms then
Slight Chance
ShowersMonday

High: 78 °F
Showers and
WindyMonday Night
Low: 41 °F
Showers then
Chance
Showers and
BreezyTuesday

High: 56 °F
Mostly Sunny
Tuesday Night

Low: 45 °F
Mostly Cloudy
Wednesday

High: 63 °F
Mostly Sunny
Wednesday Night

Low: 54 °F
Partly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 64. East wind around 7 mph.
Sunday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 7am and 1pm. Otherwise, partly sunny, with a high near 79. Breezy, with a south wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms before 1am, then a slight chance of showers after 2am. Low around 65. South wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 78. Windy, with a south wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Monday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 41. Breezy, with a northwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 64. Breezy.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Augustine FL
29.9°N 81.3°W
29.9°N 81.3°W
2:21 am EDT Mar 15, 2026
3am EDT Mar 15, 2026-6pm EDT Mar 21, 2026


