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

Arctic Cold Air Outbreak this Weekend - Subfreezing Temperatures and Dangerous Wind Chills

An outbreak of Arctic air will arrive across southeast GA, northeast and north central FL on Saturday. Record cold temperatures, gale conditions on the coastal waters, and life-threatening wind chill values are expected Saturday night and Sunday morning. Take proper precautions to protect yourself, your pets, and vulnerable people from this dangerously cold weather. Read More >

Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

41°F

5°C

Humidity 60%
Wind Speed W 9 mph
Barometer 30.28 in (1025.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Jan 11:56 pm EST
Extended Forecast for

St. Augustine Airport FL

Frost Advisory January 29, 02:00am until January 29, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Clear, with a low around 34. Northwest wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Wind chill values as low as 27 early. North wind 9 to 11 mph, with gusts as high as 15 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Northeast wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44. Light and variable wind becoming northwest 5 to 9 mph in the evening.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 53. Very windy.

    High: 53 °F

    Slight Chance
    Showers and
    Very Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Very windy.

    Low: 22 °F

    Partly Cloudy
    and Very
    Windy

  • Sunday

    Sunday: Sunny, with a high near 42. Very windy.

    High: 42 °F

    Sunny and
    Very Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Breezy.

    Low: 26 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Tonight
Clear, with a low around 34. Northwest wind 8 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 56. Wind chill values as low as 27 early. North wind 9 to 11 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 42. Northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 63. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44. Light and variable wind becoming northwest 5 to 9 mph in the evening.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 53. Very windy.
Saturday Night
Partly cloudy, with a low around 22. Very windy.
Sunday
Sunny, with a high near 42. Very windy.
Sunday Night
Mostly clear, with a low around 26. Breezy.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Augustine Airport FL
 29.97°N 81.32°W
Last Update:
6:12 pm EST Jan 28, 2026
Forecast Valid:
11pm EST Jan 28, 2026-6pm EST Feb 4, 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