National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Keystone Airpark (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Grandin FL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Northwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southeast around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. East wind 5 to 7 mph becoming calm after midnight.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Light southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Northwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southeast around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. East wind 5 to 7 mph becoming calm after midnight.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Light southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Grandin FL
 29.72°N 81.93°W
Last Update:
1:21 pm EDT Jun 20, 2025
Forecast Valid:
1pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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