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

77°F

25°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 8 Sep 4:55 am EDT
Extended Forecast for

5 Miles N Keystone Heights FL

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 74. Northeast wind around 7 mph.

    Low: 74 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 90. Heat index values as high as 102. East wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 75. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 91. Heat index values as high as 100. East wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.

    High: 91 °F

    Sunny then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Chance of precipitation is 70%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday 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
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

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

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 74. Northeast wind around 7 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 90. Heat index values as high as 102. East wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 75. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 91. Heat index values as high as 100. East wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Keystone Heights FL
 29.85°N 82.05°W
Last Update:
2:21 am EDT Sep 8, 2026
Forecast Valid:
5am EDT Sep 8, 2026-6pm EDT Sep 14, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation