Keystone Heights, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keystone Heights, a city in Putnam County, Florida.
Today
92°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Partly sunny. High near 92, with temperatures falling to around 89 in the afternoon. Heat index values as high as 103. Southwest wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
7-day forecast for Keystone Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Partly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 29% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph S | 26% |
| Wednesday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph S | 49% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely | 0 to 8 mph SE | 55% |
| Thursday | 94°F | Showers And Thunderstorms Likely | 0 to 10 mph E | 67% |
| Thursday Night | 74°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 to 10 mph E | 67% |
| Friday | 94°F | Showers And Thunderstorms Likely | 3 to 14 mph E | 56% |
| Friday Night | 74°F | Showers And Thunderstorms Likely then Partly Cloudy | 3 to 14 mph E | 56% |
| Saturday | 93°F | Showers And Thunderstorms Likely | 3 to 9 mph E | 70% |
| Saturday Night | 74°F | Showers And Thunderstorms Likely | 1 to 9 mph SE | 70% |
| Sunday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph SE | 45% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms | 0 to 7 mph SE | 45% |
| Monday | 96°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph E | 36% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph S | 36% |
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 Aug 4, 2026.