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

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Fair

81°F

27°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.02 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 28 Aug 6:55 pm EDT
Extended Forecast for

4 Miles WSW Starke FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 92. Heat index values as high as 103. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. Heat index values as high as 105. East wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

    High: 92 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm. Low around 74. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 70%.

    High: 93 °F

    Mostly Sunny
    then T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Light and variable wind.
Saturday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 92. Heat index values as high as 103. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. Heat index values as high as 105. East wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm. Low around 74. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Starke FL
 29.93°N 82.17°W
Last Update:
6:51 pm EDT Aug 28, 2026
Forecast Valid:
7pm EDT Aug 28, 2026-6pm EDT Sep 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