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

Arctic Cold Air Outbreak All Week Long - Subfreezing Low Temperatures & Dangerous Wind Chill

Widespread late night and morning freezes will continue through the week. Dangerously cold wind chills will accompany the cold arctic air each night this week. Read More >

Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

58°F

14°C

Humidity 22%
Wind Speed W 10 mph
Barometer 30.24 in (1023.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 28 Jan 2:56 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

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Northwest wind around 10 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Mostly 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.

    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

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Northwest wind around 10 mph.
Tonight
Mostly clear, with a low around 34. Northwest wind 6 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.
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.
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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:
12:26 pm EST Jan 28, 2026
Forecast Valid:
3pm EST Jan 28, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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