AccuWeather: Rollercoaster Temperature Ride

PHILADELPHIA (WPVI) -- We're turning a much cooler for the end of the week. Then, the warmest air so far this season arrives early next week.

TONIGHT: Breezy evening, then clear and chilly, low 41.

THURSDAY: Much cooler, but still a pleasant day with sunshine and a few clouds, high 59.

FRIDAY: It's a frosty start but it turns milder in the afternoon with plenty of sunshine, high 64.

SATURDAY: Increasing clouds with a shower or two possible, especially north and west, high 62.

SUNDAY: Partly sunny and much warmer. A stray shower can't be ruled out, high 79.

MONDAY: A taste of summer! Enjoy the warmest day of the year so far under partly sunny skies, high 86.

TUESDAY: It's another warm day with a mix of clouds and sun. A few late day thunderstorms are possible, high 85.

WEDNESDAY: A morning shower, then partly sunny and not as warm, high 77.