5-day weather forecast for Prosper, Texas
Today
71°
91°
Partly sunny
Sunday
70°
91°
Partly sunny
Monday
70°
88°
Partly sunny
Tuesday
66°
90°
Slight Chance Thunderstorms
Wednesday
67°
90°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for McKinney, Texas
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 3.8° | 5.5° |
| Average change in low temperature day-to-day | 7.0° | 8.2° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 100% | 69% |
| Chance of precip day after a dry day | 14% | 15% |
Weather forecast accuracy for McKinney, Texas
| Intellicast | 82.37% |
| The Weather Channel | 82.05% |
| AccuWeather | 76.28% |
| National Weather Service | 75.32% |
| World Weather Online | 75.00% |
| Weather Underground | 73.40% |
| CustomWeather | 72.44% |
| NWS Digital Forecast | 72.18% |
| Persistence | 57.16% |
| Intellicast | 75.34% |
| The Weather Channel | 75.31% |
| National Weather Service | 74.26% |
| NWS Digital Forecast | 72.00% |
| AccuWeather | 70.48% |
| CustomWeather | 68.83% |
| Persistence | 54.17% |
ForecastAdvisor Fact
1.3% of Weather Underground's high temperature forecasts for McKinney were off by more than 10 degrees last month.