5-day weather forecast for Big Pine Key, Florida
Today
81°
89°
Chance Thunderstorms
Monday
80°
89°
Chance Thunderstorms
Tuesday
80°
89°
Chance Thunderstorms
Wednesday
80°
89°
Chance Thunderstorms
Thursday
80°
89°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Marathon, Florida
| MyForecast | 94.68% |
| The Weather Channel | 94.16% |
| Accuweather | 94.00% |
| NWS Digital Forecast | 80.96% |
| Intellicast | 70.02% |
| National Weather Service | 69.85% |
| 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
On average, Intellicast's low temperature forecasts for Marathon were off by 2.13 degrees last year.