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

91°F

33°C

Humidity 59%
Wind Speed N 6 mph
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index102°F (39°C)
Last update 13 Jun 12:15 pm EDT
Extended Forecast for

3 Miles WSW Keystone Heights FL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 92. Heat index values as high as 100. Northwest wind around 5 mph becoming calm. 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

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 77. West wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 91. West wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 92. Heat index values as high as 100. Northwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 77. West wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 91. West wind 6 to 8 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind around 11 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 79.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 77.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Juneteenth
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Keystone Heights FL
 29.76°N 82.08°W
Last Update:
8:56 am EDT Jun 13, 2026
Forecast Valid:
12pm EDT Jun 13, 2026-6pm EDT Jun 19, 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