Keystone Heights, FL Weather Forecast
Local 7-day forecast
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.
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 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
Daily Outlook
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 sourceExtended Forecast
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%.
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.
Partly cloudy, with a low around 76.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone Heights.