AccuWeather: Summer preview starts Sunday

PHILADELPHIA (WPVI) -- As April comes to an end and May begins, temperatures will be running 10-15 degrees above average.

SUNDAY: After a few days of below normal temperatures, expect a much warmer day for Sunday. A warm front pushes through and temperatures and dewpoints start to climb. You will feel the increase in humidity in the air as temperatures rise to 81. It's a brighter day with some sun. A stray shower, mainly well north of the city can't be ruled out.

MONDAY: A taste of summer! Enjoy the warmest day of the year so far under partly sunny skies, high 86. The day comes with a true summer feel with dewpoints in the 60s making it a tad humid.

TUESDAY: It's another very warm day with sun followed by increasing clouds. A cold front approaches from the west and brings the chance for a late-day thunderstorm, high 85.

WEDNESDAY: Staying warm and a touch humid, high 79.

THURSDAY: Another nice and warm day with partly sunny skies, high 78.

FRIDAY: Clouds, some sun. Watch for a late day shower or thunderstorm, high 79.

SATURDAY: Sun and clouds with a few late day showers possible, high 75.