National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather Conditions, Cold Weather Advisories, and Freeze Warnings - Updated Briefing

Strong and gusty northwesterly winds will continue today, combining with a very dry airmass to create critical fire weather conditions throughout our area this afternoon. Arctic cold has prompted Freeze Warnings and Cold Weather Advisories that are in effect region-wide through Tuesday morning. Hard Freeze conditions will be possible later tonight for inland locations west of I-95. Read More >

Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

42°F

6°C

Humidity 41%
Wind Speed NW 15 G 22 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 23 Feb 8:56 am EST
Extended Forecast for

Saint Augustine South FL

Cold Weather Advisory February 24, 02:00am until February 24, 09:00am
Freeze Warning February 24, 12:00am until February 24, 09:00am
Red Flag Warning February 23, 01:00pm until February 23, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Freeze Warning
Red Flag Warning

  • Today

    Today: Sunny, with a high near 49. Wind chill values as low as 30 early. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph.

    High: 49 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 32. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Patchy frost before 10am. Otherwise, sunny, with a high near 57. Wind chill values as low as 22 early. Northwest wind 6 to 14 mph becoming northeast in the afternoon.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Light and variable wind becoming southwest 5 to 9 mph in the evening.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 69. Southwest wind 8 to 13 mph, with gusts as high as 16 mph.

    High: 69 °F

    Patchy Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 49. Wind chill values as low as 30 early. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 32. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 23 mph.
Tuesday
Patchy frost before 10am. Otherwise, sunny, with a high near 57. Wind chill values as low as 22 early. Northwest wind 6 to 14 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 37. Light and variable wind becoming southwest 5 to 9 mph in the evening.
Wednesday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 69. Southwest wind 8 to 13 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine South FL
 29.85°N 81.31°W
Last Update:
8:26 am EST Feb 23, 2026
Forecast Valid:
9am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation