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

53°F

12°C

Humidity 52%
Wind Speed N 12 mph
Barometer 30.30 in (1025.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 29 Jan 10:56 am EST
Extended Forecast for

St. Augustine Airport FL

Freeze Watch January 31, 07:00pm until February 1, 01:00pm
Extreme Cold Watch January 31, 07:00pm until February 1, 01:00pm
Click here for hazard details and duration
Freeze Watch
Extreme Cold Watch

  • Today

    Today: Sunny, with a high near 57. North wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Northeast wind around 5 mph becoming calm in the evening.

    Low: 44 °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. Increasing clouds, 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, with a west wind 8 to 18 mph, with gusts as high as 29 mph.

    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

  • Sunday Night

    Sunday Night: Widespread frost after 1am. Otherwise, mostly clear, with a low around 27.

    Low: 27 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Frost then
    Sunny

Detailed Forecast

Today
Sunny, with a high near 57. North wind 8 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 44. Northeast wind around 5 mph becoming calm in the evening.
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. Increasing clouds, 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, with a west wind 8 to 18 mph, with gusts as high as 29 mph.
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 27.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 52.
Monday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 32.
Tuesday
Widespread frost. Otherwise, sunny, with a high near 57.
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:
St. Augustine Airport FL
 29.95°N 81.35°W
Last Update:
9:06 am EST Jan 29, 2026
Forecast Valid:
11am 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