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

88°F

31°C

Humidity 62%
Wind Speed SW 9 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 27 Aug 4:15 pm EDT
Extended Forecast for

3 Miles SW Penney Farms FL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 101. Southwest wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest 5 to 7 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: 93 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 93. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 93. Chance of precipitation is 70%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

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

    Low: 74 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 101. Southwest wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest 5 to 7 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.
Friday Night
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 93. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 74. Chance of precipitation is 80%.
Sunday
A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 93. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Penney Farms FL
 29.95°N 81.85°W
Last Update:
2:21 pm EDT Aug 27, 2026
Forecast Valid:
4pm EDT Aug 27, 2026-6pm EDT Sep 2, 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