Weather Authority: Temperatures to begin cool, turn seasonable for final day of spring

PHILADELPHIA - After a weekend with below-average temperatures, the final day of spring will be seasonable. 

Tuesday is the first day of summer, making it the longest day and shortest night of the year. 

No precipitation is expected in the forecast until Wednesday, according to FOX 29's Sue Serio. 

Temperatures will begin cool in the 50s before rising to the low 70s and the 80s. 

Some areas will even wake up to temperatures in the 40s as dew points are low. 

Dew points will rise throughout the week causing humid conditions by Thursday and Friday. 

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MONDAY: High: 80

TUESDAY: High: 80, Low: 61

WEDNESDAY: High: 77, Low 67

THURSDAY: High: 83, Low: 66

FRIDAY: High: 83, Low: 66

SATURDAY: High: 87, Low: 66

SUNDAY: High: 87, Low: 69