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.

A Few Clouds

84°F

29°C

Humidity 79%
Wind Speed SE 9 mph
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 28 Aug 4:15 pm EDT
Extended Forecast for

6 Miles ENE Starke FL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 91. Heat index values as high as 100. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 105. 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

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Chance of precipitation is 70%.

    High: 92 °F

    Slight Chance
    T-storms 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 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 91. Heat index values as high as 100. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 105. 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 8pm. Mostly cloudy, with a low around 73. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm. Low around 74. Chance of precipitation is 80%.
Monday
A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. 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 92.
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. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Starke FL
 29.96°N 82.01°W
Last Update:
2:31 pm EDT Aug 28, 2026
Forecast Valid:
4pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
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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