Keystone Heights, FL Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Keystone Heights, FL in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 94, with temperatures falling to around 90 in the afternoon. Heat index values as high as 105. West wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
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: Jun 12, 2026 8:58 AM EDT.
The active forecast window currently covers Jun 13 to Jun 18, 2026 for Keystone Heights, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 13 to Jun 18, 2026
- Latest sync
- Jun 12, 2026 8:58 AM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Keystone Heights
Saturday looks like the warmest upcoming period in Keystone Heights at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 14 mph SW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 12, 2026 8:58 AM 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 chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy. Low around 76, with temperatures rising to around 77 overnight. Heat index values as high as 100. Southwest wind 3 to 9 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 93, with temperatures falling to around 91 in the afternoon. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 40%.
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. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
A chance of rain showers before 8am, then showers and thunderstorms likely between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
5 to 9 mph
W
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
76°F |
3 to 9 mph
SW
|
|
Sunday
Jun 14
|
Mostly Sunny then Chance Showers And Thunderstorms
|
93°F |
5 to 9 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms then Partly Cloudy
|
77°F |
8 mph
SW
|
|
Monday
Jun 15
|
Chance Showers And Thunderstorms
|
93°F |
7 to 12 mph
SW
|
|
Monday Night
Jun 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
77°F |
7 to 12 mph
SW
|
|
Tuesday
Jun 16
|
Chance Showers And Thunderstorms
|
91°F |
7 to 14 mph
SW
|
|
Tuesday Night
Jun 16
|
Chance Showers And Thunderstorms
|
76°F |
6 to 13 mph
SW
|
|
Wednesday
Jun 17
|
Showers And Thunderstorms Likely
|
88°F |
6 to 10 mph
SW
|
|
Wednesday Night
Jun 17
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
76°F |
5 to 8 mph
SW
|
|
Thursday
Jun 18
|
Partly Sunny then Chance Showers And Thunderstorms
|
92°F |
5 to 9 mph
SW
|
|
Thursday Night
Jun 18
|
Chance Showers And Thunderstorms then Partly Cloudy
|
78°F |
3 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone Heights.