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.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Key Colony Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 10 mph E | 29% |
| Tonight | 77°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 34% |
| Wednesday | 82°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph E | 34% |
| Wednesday Night | 77°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 23% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 16% |
| Thursday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph NE | 13% |
| Friday | 82°F | Sunny | 5 mph NE | 5% |
| Friday Night | 76°F | Mostly Clear | 5 mph NE | 5% |
| Saturday | 82°F | Sunny | 5 mph NE | 2% |
| Saturday Night | 75°F | Mostly Clear | 0 to 5 mph NE | 5% |
| Sunday | 81°F | Sunny | 5 mph N | 5% |
| Sunday Night | 74°F | Slight Chance Rain Showers | 5 to 10 mph N | 17% |
| Monday | 81°F | Slight Chance Rain Showers | 10 mph N | 24% |
| Monday Night | 72°F | Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
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 Nov 3, 2026.