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 46%
Wind Speed NE 13 mph
Barometer 30.03 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 15 May 3:55 pm EDT
Extended Forecast for

Keystone Heights FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 17 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Light east wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 70. Southeast wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. East wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday 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 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Northeast wind around 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 65. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 91. Light east wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 70. Southeast wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. East wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday 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 69. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
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:
Keystone Heights FL
 29.78°N 82.03°W
Last Update:
2:16 pm EDT May 15, 2026
Forecast Valid:
4pm EDT May 15, 2026-6pm EDT May 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation