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

37°F

3°C

Humidity 67%
Wind Speed NW 5 mph
Barometer 30.27 in (1024.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 29 Jan 5:56 am EST
Extended Forecast for

5 Miles NW St. Augustine Airport FL

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

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 35 °F

    Areas Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Wind chill values as low as 29 early. Northeast wind 7 to 9 mph.

    High: 58 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. Calm wind becoming north around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44. Calm wind becoming northwest around 6 mph after midnight.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 23. Windy.

    Low: 23 °F

    Slight Chance
    Snow Showers
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 45. Breezy.

    High: 45 °F

    Sunny and
    Breezy

Detailed Forecast

Overnight
Areas of frost. Otherwise, clear, with a low around 35. Northwest wind around 7 mph.
Thursday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Wind chill values as low as 29 early. Northeast wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 43. Light northeast wind.
Friday
Mostly sunny, with a high near 66. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44. Calm wind becoming northwest around 6 mph after midnight.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 56. Breezy.
Saturday Night
A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 23. Windy.
Sunday
Sunny, with a high near 45. Breezy.
Sunday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 28.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 53.
Monday Night
Widespread frost. Otherwise, mostly clear, with a low around 32.
Tuesday
Widespread frost. Otherwise, sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW St. Augustine Airport FL
 30.02°N 81.39°W
Last Update:
1:01 am EST Jan 29, 2026
Forecast Valid:
5am EST Jan 29, 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