Philadelphia

Philadelphia Weather Forecast: Overcast Days Ahead with Chances of Showers and Thunderstorms

AI Assisted Icon
Published on August 19, 2025
Philadelphia Weather Forecast: Overcast Days Ahead with Chances of Showers and ThunderstormsSource: Google Street View

The National Weather Service in Philadelphia has released a detailed forecast for the upcoming days, suggesting a mix of overcast skies and intermittent showers. This morning, Philadelphia experienced an overcast environment with temperatures at a pleasant 69°F. Humidity was recorded at a moderate 63 percent, with a dew point of 56°F, while visibility stood clear at 10 miles, according to the latest update from the NWS.

There is only a slight 20 percent chance of precipitation predicted for the early hours of today, with a partly sunny sky and an expected high of 76°F. The NWS forecast indicates that the light east wind present in the morning will persist into the night, maintaining a gentle breeze around 5 mph and introducing a similar chance of showers between 1 am and 2 am.

Looking ahead to Wednesday, the forecast anticipates a cloudier day with a 40 percent chance of showers and potential thunderstorms after 2 pm. Temperatures are set to reach a higher high near 80°F, with new rainfall amounts predicted to be less than a tenth of an inch, though thunderstorms may alter that, "except higher amounts possible in thunderstorms." Wednesday night could also bring its own share of showers and thunderstorms, with the temperature dipping to a low around 66°F and the northeast wind picking up speed to around 10 mph, as detailed by the National Weather Service.

Thursday, with a northeast wind blowing at 10 to 15 mph, holds a 20 percent chance of showers post-2 pm. As we journey into the weekend, the skies clear up considerably, promising sunny days on Friday and Saturday, with highs soaring to 82 and 83, respectively. While the day promises sunshine, Saturday night's forecast indicates a shift to partly cloudy skies with a low around 66.

As the weekend culminates, Sunday's conditions are poised to bring a 40 percent chance of showers amidst partly sunny skies, showing a high again near 83. This pattern of evening showers seems set to continue into Sunday night, maintaining mostly cloudy conditions and an anticipated low of around 66. The NWS predicts the start of the new week will bid adieu to the rain, foretelling mostly sunny skies with a high near 82.