Keystone Heights, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keystone Heights, a city in Putnam County, Florida.
Tonight
71°F
Partly Cloudy
Partly cloudy. Low around 71, with temperatures rising to around 72 overnight. Northeast wind 1 to 10 mph, with gusts as high as 18 mph.
7-day forecast for Keystone Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 1 to 10 mph NE | 4% |
| Saturday | 92°F | Mostly Sunny | 2 to 12 mph NE | 12% |
| Saturday Night | 72°F | Partly Cloudy | 0 to 10 mph NE | 5% |
| Sunday | 90°F | Mostly Sunny then Showers And Thunderstorms Likely | 1 to 9 mph NE | 62% |
| Sunday Night | 72°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 8 mph NE | 62% |
| Monday | 90°F | Showers And Thunderstorms Likely | 0 to 9 mph NE | 71% |
| Monday Night | 72°F | Showers And Thunderstorms Likely | 0 to 8 mph NE | 71% |
| Tuesday | 90°F | Slight Chance Showers And Thunderstorms | 1 to 9 mph NE | 76% |
| Tuesday Night | 72°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 8 mph E | 76% |
| Wednesday | 90°F | Showers And Thunderstorms Likely | 3 to 12 mph NE | 57% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely | 5 to 12 mph NE | 57% |
| Thursday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 14 to 17 mph NE | 46% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 8 to 16 mph NE | 46% |
| Friday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 17 mph NE | 43% |
Forecast source: National Weather Service (api.weather.gov) for Keystone Heights (29.783, -82.036). Updated through the day.
Growing snapshot for Keystone Heights
Last spring frost
Mar 1
First fall frost
Dec 7
Growing season
284 days
Hardiness zone
9a
More local growing data for Keystone Heights: nearby ZIP 32666 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Orange Springs 2Ssw, Fl (16.3 mi from Keystone Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.