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.

Partly Cloudy

86°F

30°C

Humidity 75%
Wind Speed E 13 mph
Barometer 30.06 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 9 Sep 6:35 pm EDT
Extended Forecast for

8 Miles SW Penney Farms FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 75. East wind 5 to 8 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming south around 6 mph in the morning.

    High: 94 °F

    Patchy Fog
    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 1am. Mostly cloudy, with a low around 74. Light south wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 93. Heat index values as high as 106. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms

  • Friday Night

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

    Low: 74 °F

    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 94. Chance of precipitation is 70%.

    High: 94 °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 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 75. East wind 5 to 8 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming south around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 74. Light south wind. Chance of precipitation is 30%.
Friday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 93. Heat index values as high as 106. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 74. Calm wind. Chance of precipitation is 80%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 94. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75.
Monday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Penney Farms FL
 29.88°N 81.91°W
Last Update:
2:21 pm EDT Sep 9, 2026
Forecast Valid:
6pm EDT Sep 9, 2026-6pm EDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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