- Today
- Holidays
- Birthdays
- Reminders
- Cities
- Atlanta
- Austin
- Baltimore
- Berwyn
- Beverly Hills
- Birmingham
- Boston
- Brooklyn
- Buffalo
- Charlotte
- Chicago
- Cincinnati
- Cleveland
- Columbus
- Dallas
- Denver
- Detroit
- Fort Worth
- Houston
- Indianapolis
- Knoxville
- Las Vegas
- Los Angeles
- Louisville
- Madison
- Memphis
- Miami
- Milwaukee
- Minneapolis
- Nashville
- New Orleans
- New York
- Omaha
- Orlando
- Philadelphia
- Phoenix
- Pittsburgh
- Portland
- Raleigh
- Richmond
- Rutherford
- Sacramento
- Salt Lake City
- San Antonio
- San Diego
- San Francisco
- San Jose
- Seattle
- Tampa
- Tucson
- Washington
Warm, Dry Weekend Ahead for South-Central Pennsylvania
Frost Advisory in effect tonight, followed by summerlike warmth next week
Apr. 12, 2026 at 3:41am
Got story updates? Submit your updates here. ›
The impending shift from frost risk to summerlike warmth in south-central Pennsylvania evokes the sublime power of nature's changing moods.Lancaster TodayA Frost Advisory is in effect tonight for several counties in south-central Pennsylvania, with clear skies and temperatures dropping near freezing overnight. However, the weather is expected to be pleasant this weekend, with highs in the lower to mid 60s on Sunday. Next week, temperatures will make a run for the 80s, challenging record highs, before a cold front brings a return to more seasonal averages in the 70s by the end of the week.
Why it matters
The forecast shift from frost risk to summerlike warmth will impact residents' outdoor plans and activities, as well as the need to protect sensitive vegetation from potential overnight freezing temperatures.
The details
The National Weather Service has issued a Frost Advisory for Lancaster, Lebanon, Dauphin, Mifflin, Juniata, and Perry counties from 2 AM to 8 AM on Sunday. Overnight lows are expected to drop at or just above freezing, allowing the chance for frost to develop. Residents are advised to cover or bring in any sensitive plants or potted vegetation to prevent damage. By Sunday afternoon, temperatures will rise into the lower to mid 60s under partly sunny skies. The warm pattern continues on Monday, with highs reaching the upper 70s and the potential for late-day spotty showers. Tuesday through Thursday will see temperatures soar into the mid 80s, challenging record highs, before a cold front arrives late in the week, bringing highs back down to the 70s by Friday and Saturday.
- Tonight, from 2 AM to 8 AM, a Frost Advisory is in effect for Lancaster, Lebanon, Dauphin, Mifflin, Juniata, and Perry counties.
- On Sunday, temperatures will top out in the lower to mid 60s.
- On Monday, highs will reach the upper 70s.
- Tuesday through Thursday, highs will soar into the mid 80s, challenging record highs.
- Late in the week, a cold front will arrive, bringing highs back down to the 70s by Friday and Saturday.
The players
National Weather Service
The federal agency responsible for issuing weather advisories and forecasts.
What’s next
Residents in the affected counties should take precautions to protect sensitive plants and vegetation from potential overnight frost on Sunday morning.
The takeaway
The weather in south-central Pennsylvania will shift from a brief frost risk to a prolonged period of summerlike warmth, challenging record highs and impacting outdoor activities and plans. Residents should be prepared to adapt their routines and plans accordingly.
