Big Coppitt Key, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Coppitt Key, a community in Monroe County, Florida.
Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny, with a high near 82. East wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Big Coppitt Key
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 10 mph E | 30% |
| Tonight | 77°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph NE | 30% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 15% |
| Thursday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 10 mph NE | 13% |
| Friday | 82°F | Sunny | 10 mph NE | 6% |
| Friday Night | 77°F | Mostly Clear | 5 to 10 mph N | 4% |
| Saturday | 81°F | Sunny | 5 to 10 mph N | 3% |
| Saturday Night | 76°F | Mostly Clear | 10 mph N | 4% |
| Sunday | 81°F | Mostly Sunny | 10 mph NE | 4% |
| Sunday Night | 75°F | Slight Chance Rain Showers | 10 to 15 mph NE | 13% |
| Monday | 80°F | Slight Chance Rain Showers | 15 mph E | 13% |
| Monday Night | 75°F | Slight Chance Rain Showers | 15 to 20 mph E | 12% |
| Tuesday | 80°F | Slight Chance Rain Showers | 15 to 20 mph E | 14% |
| Tuesday Night | 75°F | Slight Chance Rain Showers | 15 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Big Coppitt Key (24.580, -81.652). Updated through the day.
Growing snapshot for Big Coppitt Key
Growing season
365 days
Hardiness zone
11b
More local growing data for Big Coppitt Key: nearby ZIP 33042 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Big Pine Key
Cudjoe Key
Duck Key
Islamorada, Village of Islands
Key Colony Beach
Key Largo
Key West
Layton
Marathon
North Key Largo
Stock Island
Tavernier
Climate data from the nearest NOAA station, Key West Nas, Fl (12.7 mi from Big Coppitt Key). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.