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

75°F

24°C

Humidity 94%
Wind Speed SE 7 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 21 Jun 8:35 pm EDT
Extended Forecast for

Grandin FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 75. West wind 5 to 7 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. West wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

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

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

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

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 75. West wind 5 to 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind 6 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. West wind 5 to 9 mph, with gusts as high as 15 mph.
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 before 2am. Partly cloudy, with a low around 73.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. 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 74.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grandin FL
 29.72°N 81.93°W
Last Update:
6:37 pm EDT Jun 21, 2026
Forecast Valid:
8pm EDT Jun 21, 2026-6pm EDT Jun 28, 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