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

Widespread Freezes Continue through Midweek- Updated Briefing

Widespread freezes will continue through midweek, with Freeze Warnings in effect tonight through early Wednesday morning. Widespread frost is expected to accompany the subfreezing temperatures at inland locations early on Wednesday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Keystone Airpark (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Fair

43°F

6°C

Humidity 76%
Wind Speed N 6 mph
Barometer 30.40 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Jan 5:15 am EST
Extended Forecast for

5 Miles N Keystone Heights FL

Frost Advisory January 21, 05:38am until January 21, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory January 21, 05:38am until January 21, 08:00am

    NOW until 8:00am Wed

    Frost Advisory

  • Today

    High: 70 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Cloudy, with a low around 49. East wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 75. Northeast wind 3 to 5 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. East wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Patchy frost before 8am. Otherwise, partly sunny, with a high near 70. Calm wind becoming northeast 5 to 7 mph in the morning.
Tonight
Cloudy, with a low around 49. East wind around 6 mph becoming calm in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 75. Northeast wind 3 to 5 mph.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. East wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 76.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 46. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Keystone Heights FL
 29.85°N 82.05°W
Last Update:
4:47 am EST Jan 21, 2026
Forecast Valid:
5am EST Jan 21, 2026-6pm EST Jan 27, 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