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

Coastal Flood Warnings this Weekend through Monday - Updated Briefing

Strong northeasterly winds will develop on Saturday and continue into next week. These strong winds will combine with high astronomical tides associated with the upcoming full moon to create moderate to locally major coastal and tidal flooding. Coastal Flood Warnings have been issued from Saturday through Monday for the Atlantic coastal counties and also within the St. Johns River basin. Read More >

Current conditions at

Keystone Heights Airport (K42J)

Lat: 29.84°NLon: 82.05°WElev: 197ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.19 in
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 24 Oct 11:55 pm EDT
Extended Forecast for

Keystone Heights FL

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Northeast wind around 14 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Breezy, with a north wind 16 to 18 mph, with gusts as high as 32 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 66. Breezy, with a northeast wind 15 to 18 mph, with gusts as high as 31 mph.

    Low: 66 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 78. Windy, with a northeast wind 18 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Windy. Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 62. Breezy, with a north wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 62 °F

    Slight Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Breezy.

    Low: 65 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Northeast wind around 14 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 77. Breezy, with a north wind 16 to 18 mph, with gusts as high as 32 mph.
Sunday Night
A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 66. Breezy, with a northeast wind 15 to 18 mph, with gusts as high as 31 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 78. Windy, with a northeast wind 18 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 62. Breezy, with a north wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 80. Breezy.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 80. Breezy.
Wednesday Night
Partly cloudy, with a low around 65. Breezy.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 80. Breezy.
Thursday Night
Partly cloudy, with a low around 65.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81. Breezy.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 82. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Keystone Heights FL
 29.78°N 82.03°W
Last Update:
8:16 pm EDT Oct 24, 2026
Forecast Valid:
12am EDT Oct 25, 2026-6pm EDT Oct 31, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation