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.

Fair

73°F

23°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 21 Jun 12:55 am EDT
Extended Forecast for

5 Miles SE Lake Butler FL

  • Overnight

    Overnight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Light southwest wind.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 95 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

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

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Light southwest wind.
Monday
Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Lake Butler FL
 29.96°N 82.3°W
Last Update:
11:11 pm EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 21, 2026-6pm EDT Jun 27, 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