Frost/Freeze in Pennsylvania
Every frost/freeze event the National Weather Service has filed in Pennsylvania, year by year, with the most significant episodes. Frost or temperatures at or below freezing during the growing season, usually filed for crop damage.
The most significant on the map
The most significant frost/freeze episodes in Pennsylvania.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 34
- Deaths
- 0
- Injuries
- 0
- Damage
- $56 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Frost and Freeze in Pennsylvania, April 19 to 21, 2026A strong cold front moved through northeast Pennsylvania on Sunday, April 19th, ushering in a much colder air mass. Temperatures dropped into the mid-20s to lower 30s overnight and remained well below normal through Tuesday, April 21st.
- Frost and Freeze in Pennsylvania, April 20 to 22, 2021Above normal temperatures in March and above normal to record high temperatures in early April in Northwest Pennsylvania allowed for area fruit crops to begin budding ahead of schedule in April.
- Frost and Freeze in Pennsylvania, May 14, 2007For the second time in about a week, an unseasonably chilly air mass from Canada moved into the region.
- Frost and Freeze in Pennsylvania, May 7 to 8, 2007An unseasonably cool air mass from Canada helped produce below freezing temperatures in the Poconos and pockets of frost across the rest of Eastern Pennsylvania (excluding Philadelphia) on the mornings of the 7th and 8th.
- Frost and Freeze in Pennsylvania, April 5 to 11, 2007A run of unseasonably cold weather produce below freezing minimum temperatures from the morning of the 5th through the morning of the 11th. The coldest morning for most places were the mornings of the 9th and 11th when the winds were the lightest.
- Frost and Freeze in Pennsylvania, May 9 to 11, 2010A late-season overnight frost and hard freeze resulted in significant crop losses to the berry patch over northwest Pennsylvania. The USDA issued a disaster declaration for crop losses in Warren, McKean and Elk Counties.
- Frost and Freeze in Pennsylvania, April 5 to 6, 2016Clear skies, calm winds, and high pressure from Canada combined to produce below freezing temperatures across the region during the overnight hours on the 6th.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.