Key Colony Beach, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Key Colony Beach, a city in Monroe County, Florida.
Overnight
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 83. South wind around 5 mph.
7-day forecast for Key Colony Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 83°F | Chance Showers And Thunderstorms | 5 mph S | 11% |
| Tuesday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 36% |
| Tuesday Night | 82°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 40% |
| Wednesday | 89°F | Showers And Thunderstorms Likely | 10 mph E | 63% |
| Wednesday Night | 82°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 10 to 15 mph E | 63% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 52% |
| Thursday Night | 82°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 15 mph E | 61% |
| Friday | 89°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 15 mph E | 61% |
| Friday Night | 83°F | Chance Showers And Thunderstorms | 15 mph SE | 50% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 50% |
| Saturday Night | 83°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 32% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 32% |
| Sunday Night | 84°F | Chance Showers And Thunderstorms | 15 mph E | 26% |
| Monday | 90°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 26% |
Forecast source: National Weather Service (api.weather.gov) for Key Colony Beach (24.723, -81.022). Updated through the day.
Growing snapshot for Key Colony Beach
Growing season
365 days
Hardiness zone
11b
More local growing data for Key Colony Beach: nearby ZIP 33051 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Big Coppitt Key
Big Pine Key
Cudjoe Key
Duck Key
Islamorada, Village of Islands
Key Largo
Key West
Layton
Marathon
North Key Largo
Stock Island
Tavernier
Climate data from the nearest NOAA station, Marathon Ap, Fl (1.9 mi from Key Colony Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.