Keystone Heights, FL Weather Forecast

Local 7-day forecast

93°
F

Mostly Sunny then Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Keystone Heights, FL in one place.

Wednesday, July 15, 2026
Wind: 3 to 12 mph W
Wednesday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 101. West wind 3 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Keystone Heights, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 6:00 PM EDT.

The active forecast window currently covers Jul 15 to Jul 20, 2026 for Keystone Heights, FL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 15 to Jul 20, 2026
Latest sync
Jul 14, 2026 6:00 PM EDT
Forecast office
JAX
Source
NOAA / NWS
Next High
93°F
Wednesday
Next Low
75°F
Wednesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
3 to 12 mph
Wednesday

Daily Outlook

Today
Jul 15
Mostly Sunny then Slight Chance Showers And Thunderstorms
93 °F
/ 75°F
Wind 3 to 12 mph
Thu
Jul 16
Sunny
94 °F
/ 76°F
Wind 6 to 9 mph
Fri
Jul 17
Mostly Sunny then Chance Showers And Thunderstorms
94 °F
/ 76°F
Wind 5 to 9 mph
Sat
Jul 18
Chance Showers And Thunderstorms
93 °F
/ 75°F
Wind 3 to 10 mph
Sun
Jul 19
Chance Showers And Thunderstorms
91 °F
/ 76°F
Wind 6 to 12 mph
Mon
Jul 20
Chance Showers And Thunderstorms
91 °F
/ 77°F
Wind 7 to 12 mph

This Week in Keystone Heights

Thursday looks like the warmest upcoming period in Keystone Heights at 94 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 75 degrees F.

The strongest winds are forecast for Wednesday at about 3 to 12 mph W.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 6:00 PM EDT
Coverage
6 days
Time zone
America/New_York
Forecast office
JAX
Radar station
KJAX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Jul 15
75°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
5 to 10 mph W

A slight chance of showers and thunderstorms before 9pm. Partly cloudy. Low around 75, with temperatures rising to around 76 overnight. West wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.

Thursday
Jul 16
94°F
Sunny
6 to 9 mph W

Sunny. High near 94, with temperatures falling to around 92 in the afternoon. West wind 6 to 9 mph, with gusts as high as 18 mph.

Thursday Night
Jul 16
76°F
Partly Cloudy
5 to 8 mph W

Partly cloudy, with a low around 76.

Friday
Jul 17
94°F
Mostly Sunny then Chance Showers And Thunderstorms
5 to 9 mph W

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.

Friday Night
Jul 17
76°F
Chance Showers And Thunderstorms
3 to 8 mph W

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 40%.

Saturday
Jul 18
93°F
Chance Showers And Thunderstorms
3 to 10 mph W

A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.

Saturday Night
Jul 18
75°F
Chance Showers And Thunderstorms
5 to 9 mph SW

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 50%.

Sunday
Jul 19
91°F
Chance Showers And Thunderstorms
6 to 12 mph SW

A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

Sunday Night
Jul 19
76°F
Chance Showers And Thunderstorms
6 to 10 mph SW

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 50%.

Monday
Jul 20
91°F
Chance Showers And Thunderstorms
7 to 12 mph SW

A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

Monday Night
Jul 20
77°F
Chance Showers And Thunderstorms then Partly Cloudy
7 to 12 mph SW

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Jul 15
Mostly Sunny then Slight Chance Showers And Thunderstorms
93°F
3 to 12 mph
W
Wednesday Night
Jul 15
Slight Chance Showers And Thunderstorms then Partly Cloudy
75°F
5 to 10 mph
W
Thursday
Jul 16
Sunny
94°F
6 to 9 mph
W
Thursday Night
Jul 16
Partly Cloudy
76°F
5 to 8 mph
W
Friday
Jul 17
Mostly Sunny then Chance Showers And Thunderstorms
94°F
5 to 9 mph
W
Friday Night
Jul 17
Chance Showers And Thunderstorms
76°F
3 to 8 mph
W
Saturday
Jul 18
Chance Showers And Thunderstorms
93°F
3 to 10 mph
W
Saturday Night
Jul 18
Chance Showers And Thunderstorms
75°F
5 to 9 mph
SW
Sunday
Jul 19
Chance Showers And Thunderstorms
91°F
6 to 12 mph
SW
Sunday Night
Jul 19
Chance Showers And Thunderstorms
76°F
6 to 10 mph
SW
Monday
Jul 20
Chance Showers And Thunderstorms
91°F
7 to 12 mph
SW
Monday Night
Jul 20
Chance Showers And Thunderstorms then Partly Cloudy
77°F
7 to 12 mph
SW
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.