NWS JAX Weather Impact Briefing

Isolated Severe Thunderstorms Possible Sunday Afternoon & Evening, and Scattered Severe Thunderstorms Possible Monday Read More >

Current conditions at

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Overcast

64°F

18°C

Humidity 88%
Wind Speed NE 5 mph
Barometer 30.08 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Mar 12:15 am EDT
Extended Forecast for

3 Miles WSW Keystone Heights FL

  • Overnight

    Overnight: A 10 percent chance of showers before 3am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 61. East wind 3 to 6 mph.

    Low: 61 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Increasing clouds, with a low around 67. South wind 6 to 9 mph, with gusts as high as 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 76. Breezy, with a south wind 13 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%.

    High: 76 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 41. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of showers before 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. East wind 3 to 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Increasing clouds, with a low around 67. South wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 76. Breezy, with a south wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 41. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Keystone Heights FL
 29.76°N 82.08°W
11:22 pm EDT Mar 14, 2026
12am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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