5-day weather forecast for Cheltenham, Pennsylvania
Today
57°
71°
Rain Showers
Likely
Likely
Monday
62°
76°
Chance Thunderstorms
Tuesday
65°
85°
Chance Thunderstorms
Wednesday
66°
83°
Chance Thunderstorms
Thursday
65°
79°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for Philadelphia, Pennsylvania
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 5.3° | 5.5° |
| Average change in low temperature day-to-day | 4.4° | 6.6° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 86% | 58% |
| Chance of precip day after a dry day | 29% | 29% |
Weather forecast accuracy for Philadelphia, Pennsylvania
| AccuWeather | 85.83% |
| The Weather Channel | 85.28% |
| Intellicast | 85.28% |
| National Weather Service | 81.39% |
| Weather Underground | 79.44% |
| CustomWeather | 77.50% |
| NWS Digital Forecast | 76.39% |
| World Weather Online | 69.44% |
| Persistence | 47.04% |
| The Weather Channel | 73.20% |
| Intellicast | 73.20% |
| AccuWeather | 70.10% |
| National Weather Service | 68.78% |
| CustomWeather | 67.95% |
| NWS Digital Forecast | 67.70% |
| Persistence | 45.24% |
ForecastAdvisor Fact
78.9% of Intellicast's low temperature forecasts for Philadelphia were within 3 degrees of actual temperatures last month.