Weather Forecast for St Augustine

Florida, United States of America

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Partly cloudy

Current Weather - St Augustine: 21°C

Florida, United States of America

Partly cloudy

Feels like 21°C

Wind

14 km/h NNE

Humidity

81%

Pressure

1026 mb

UV Index

7

Visibility

16 km

Fog

Fog

Wednesday, March 04, 2026

High

18°C

Low

14°C

Rain Chance

0%

Hourly Forecast

Mist 16°C
19:00
Fog 16°C
20:00
Fog 16°C
21:00
Mist 16°C
22:00
Mist 16°C
23:00
Mar 05

Day Statistics

Maximum Wind

14 km/h

Humidity

96%

Precipitation

0 mm

UV Index

2

Visibility

7 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:48 AM

Sunset

06:26 PM

Moonrise

07:51 PM

Moonset

07:20 AM

Moon Phase

Waning Gibbous

Moon Illumination

100%

Air Quality

PM2.5

11.6

μg/m³

PM10

17.9

μg/m³

NO₂

2.7

μg/m³

O₃

70.5

μg/m³

SO₂

1.2

μg/m³

CO

135.6

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Rip Current Statement issued March 4 at 12:50AM EST until March 5 at 4:00AM EST by NWS Jacksonville FL

Coastal Duval; Coastal Flagler; Northeast Coastal St. Johns; Southeast Coastal St. Johns Mar 4, 12:50 AM - Mar 5, 04:00 AM
Severity: Moderate Urgency: Expected

* WHAT...Dangerous rip currents expected. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...From 10 AM EST this morning through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Event: Rip Current Statement Certainty: Likely Category: Met

Dense Fog Advisory issued March 3 at 10:15PM EST until March 4 at 9:00AM EST by NWS Jacksonville FL

Inland Nassau; Inland Flagler; Coastal Nassau; Coastal Duval; Eastern Clay; Eastern Putnam; Coastal Flagler; Trout River; Western Clay; Northeast Coastal St. Johns; Western Putnam; South Central Duval; Southeast Coastal St. Johns; Western Duval; Northern Inland St. Johns; Southern Inland St. Johns; Western St. Johns; Inland Glynn; Coastal Glynn; Inland Camden; Coastal Camden Mar 3, 10:15 PM - Mar 4, 09:00 AM
Severity: Moderate Urgency: Expected

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northeast Florida and southeast Georgia. * WHEN...Until 9 AM EST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Event: Dense Fog Advisory Certainty: Likely Category: Met

Dense Fog Advisory issued March 4 at 2:35AM EST until March 4 at 9:00AM EST by NWS Jacksonville FL

Inland Nassau; Inland Flagler; Coastal Nassau; Coastal Duval; Eastern Clay; Eastern Putnam; Coastal Flagler; Trout River; Western Clay; Northeast Coastal St. Johns; Western Putnam; South Central Duval; Southeast Coastal St. Johns; Western Duval; Northern Inland St. Johns; Southern Inland St. Johns; Western St. Johns; Inland Glynn; Coastal Glynn; Inland Camden; Coastal Camden Mar 4, 02:35 AM - Mar 4, 09:00 AM
Severity: Moderate Urgency: Expected

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northeast Florida and southeast Georgia. * WHEN...Until 9 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Event: Dense Fog Advisory Certainty: Likely Category: Met