5-day weather forecast for Big Pine Key, Florida
Today
80°
89°
Rain Showers
Likely
Likely
Tuesday
80°
86°
Rain
Wednesday
79°
88°
Chance Thunderstorms
Thursday
79°
88°
Chance Thunderstorms
Friday
80°
88°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Marathon, Florida
| MyForecast | 86.78% |
| Intellicast | 84.01% |
| The Weather Channel | 83.87% |
| Accuweather | 81.60% |
| NWS Digital Forecast | 78.58% |
| National Weather Service | 68.81% |
| MyForecast | 83.71% |
| Accuweather | 82.93% |
| NWS Digital Forecast | 80.98% |
| Intellicast | 80.81% |
| The Weather Channel | 80.55% |
| National Weather Service | 75.97% |
ForecastAdvisor Fact
28.6% of NWS Digital Forecast's low temperature forecasts for Marathon were exactly right last month.