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.

Mostly Cloudy

88°F

31°C

Humidity 75%
Wind Speed W 7 mph
Barometer 30.01 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 23 Aug 12:35 pm EDT
Extended Forecast for

4 Miles W Interlachen FL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Heat index values as high as 105. Southwest wind around 9 mph.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind 3 to 7 mph.

    Low: 73 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms, mainly between 10pm and 11pm. Partly cloudy, with a low around 73. Light southwest wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Sunny then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Heat index values as high as 105. Southwest wind around 9 mph.
Tonight
A 10 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind 3 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms, mainly between 10pm and 11pm. Partly cloudy, with a low around 73. Light southwest wind.
Tuesday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Thursday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Interlachen FL
 29.64°N 81.96°W
Last Update:
12:01 pm EDT Aug 23, 2026
Forecast Valid:
12pm EDT Aug 23, 2026-6pm EDT Aug 29, 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