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

Keystone Airpark (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Fair

93°F

34°C

Humidity 44%
Wind Speed NW 9 mph
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 23 Sep 2:55 pm EDT
Extended Forecast for

Keystone Heights FL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 100. Light north wind.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. East wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, sunny, with a high near 94. Heat index values as high as 105. Light and variable wind.

    High: 94 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. East wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 100. Light north wind.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. East wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, sunny, with a high near 94. Heat index values as high as 105. Light and variable wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. East wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Keystone Heights FL
 29.78°N 82.03°W
Last Update:
1:26 pm EDT Sep 23, 2025
Forecast Valid:
3pm EDT Sep 23, 2025-6pm EDT Sep 29, 2025
 
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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