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

79°F

26°C

Humidity 89%
Wind Speed SW 10 mph
Barometer 29.88 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 1 Aug 7:35 pm EDT
Extended Forecast for

3 Miles WSW Keystone Heights FL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a steady temperature around 79. South wind around 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Steady temperature around 79. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers
    Likely then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before midnight, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a steady temperature around 78. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 85. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: Thunderstorms likely before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 75. South wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a steady temperature around 79. South wind around 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Steady temperature around 79. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms likely before midnight, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a steady temperature around 78. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 85. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Monday Night
Thunderstorms likely before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 75. South wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Keystone Heights FL
 29.76°N 82.08°W
Last Update:
6:21 pm EDT Aug 1, 2026
Forecast Valid:
7pm EDT Aug 1, 2026-6pm EDT Aug 8, 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