Keystone Heights, FL Weather & Growing Conditions
Tonight
68°F
Partly Cloudy then Patchy Fog
Patchy fog after 4am. Partly cloudy. Low around 68, with temperatures rising to around 70 overnight. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Partly Cloudy then Patchy Fog | 6 mph E | 4% |
| Wednesday | 86°F | Patchy Fog then Partly Sunny | 5 to 9 mph SE | 13% |
| Wednesday Night | 67°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 6 mph SE | 16% |
| Thursday | 86°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 1 to 5 mph SE | 24% |
| Thursday Night | 67°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 1 to 5 mph SE | 24% |
| Friday | 84°F | Patchy Fog then Mostly Sunny | 1 to 8 mph W | 14% |
| Friday Night | 63°F | Partly Cloudy | 5 mph W | 14% |
| Saturday | 81°F | Mostly Sunny | 3 to 7 mph NW | 12% |
| Saturday Night | 56°F | Partly Cloudy | 1 to 5 mph N | 12% |
| Sunday | 77°F | Mostly Sunny | 3 to 8 mph N | 12% |
| Sunday Night | 55°F | Slight Chance Rain Showers | 5 to 8 mph N | 15% |
| Monday | 73°F | Slight Chance Rain Showers | 7 to 12 mph N | 15% |
| Monday Night | 52°F | Mostly Clear | 5 to 9 mph NE | 14% |
| Tuesday | 73°F | Sunny then Slight Chance Rain Showers | 9 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Keystone Heights, FL
Last spring frost
Feb 8
First fall frost
Dec 24
Growing season
313 days
Hardiness zone
9a
Explore more for Keystone Heights, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Starke, Fl (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.