5-day weather forecast for Key West, Florida
Today
86°
Slight Chance Thunderstorms
Friday
78°
87°
Chance Rain
Showers
Showers
Saturday
78°
87°
Chance Rain
Showers
Showers
Sunday
79°
87°
Chance Rain
Showers
Showers
Monday
78°
86°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather changeability for Key West, Florida
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 1.3° | 1.7° |
| Average change in low temperature day-to-day | 2.7° | 3.0° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 60% | 52% |
| Chance of precip day after a dry day | 23% | 15% |
Weather forecast accuracy for Key West, Florida
| AccuWeather | 83.33% |
| The Weather Channel | 82.72% |
| Intellicast | 82.72% |
| CustomWeather | 81.17% |
| NWS Digital Forecast | 79.32% |
| National Weather Service | 73.77% |
| Weather Underground | 72.22% |
| Persistence | 70.46% |
| World Weather Online | 63.58% |
| CustomWeather | 83.08% |
| AccuWeather | 80.40% |
| The Weather Channel | 78.52% |
| Intellicast | 78.52% |
| NWS Digital Forecast | 77.48% |
| Persistence | 74.67% |
| National Weather Service | 71.88% |
ForecastAdvisor Fact
66.5% of Persistence's low temperature forecasts for Key West were within 3 degrees of actual temperatures last year.