Below-average temperatures in Philadelphia Monday, freeze warning in effect overnight
perigon
Last updated: April 21, 2026
Temperatures in the Philadelphia area will remain in the mid-50s on Monday. An overnight freeze warning is in effect, potentially affecting early spring plantings.
Temperatures on Monday in the Philadelphia region are forecast to be in the mid-50s.
A freeze warning has been issued for the overnight period.
This freeze warning poses a risk to any plants that have been put in the ground early in the spring season.
Fortunately, the weather is expected to begin warming up shortly after Monday.