Lancaster County, October 25, 2025
News Summary
A frost advisory has been issued for Lancaster County, Dauphin, and Lebanon counties early Saturday morning, with temperatures expected to drop significantly. The advisory, confirmed by the National Weather Service, warns of potential frost that could harm vulnerable outdoor vegetation. Gardeners are advised to take protective measures. The weather is predicted to improve after the advisory, with warmer temperatures on the weekend, although low-lying valleys may still experience chilly conditions.
Frost Advisory Issued for Lancaster County and Surrounding Areas This Saturday Morning
Lancaster County will be under a frost advisory early Saturday morning, as confirmed by the National Weather Service. The advisory is set to take effect from 2 a.m. to 9 a.m. on Saturday, impacting areas including Lancaster, Dauphin, and Lebanon counties.
As temperatures dip, the forecast predicts it will drop to 41 degrees by 2 a.m. and continue to fall, reaching the mid-30s around 8 a.m.. The coldest temperatures are expected in valleys and sheltered rural areas.
The potential for frost during this time may pose a threat to sensitive outdoor vegetation, possibly leading to harm or death. Gardeners and those with outdoor plants are advised to take precautions against frost damage.
Weekend Weather Outlook
Following the frost advisory, weather conditions are expected to improve, with temperatures climbing to a high of 57 degrees each day on Saturday and Sunday. Overnight temperatures are projected to remain in the 30s through Wednesday, with the formation of a Freeze Warning issued for Franklin, Cumberland, Adams, and York counties during the same timeframe. Light winds will accompany the cooling temperatures overnight.
Low-lying areas within the valley may experience temperatures dropping into the lower 30s overnight. The weekend forecast indicates mainly dry conditions with expected temperatures around 60 degrees both weekend days, although there is a slim possibility of a few showers on Sunday.
Future Weather Patterns
High pressure is anticipated to dominate the upcoming weather pattern on Monday and Tuesday, leading to cooler than average conditions. Mid to late next week may usher in a wetter pattern, with scattered showers possible on Wednesday and Thursday. Some showers may linger into Friday, coinciding with Halloween festivities, prompting families to consider a backup plan for trick-or-treating.
It’s notable that the growing season has not officially ended yet for several counties including Franklin, Cumberland, Adams, Dauphin, Lebanon, Lancaster, and York.
FAQ
What areas are affected by the frost advisory?
The advisory includes Lancaster, Dauphin, and Lebanon counties.
What temperatures can be expected during the frost advisory?
Temperatures will drop to 41 degrees at 2 a.m. and continue to decrease, reaching the mid-30s around 8 a.m..
Will there be any weather changes after the frost advisory?
Yes, later on Saturday and Sunday, the weather will warm up with highs of 57 degrees.
Are there warnings in effect for any other counties?
Yes, a Freeze Warning has been issued for Franklin, Cumberland, Adams, and York counties for the same time frame.
Weather Summary Table
| Location | Advisory Type | Time Frame | Low Temperature (°F) | Projected High (°F) |
|---|---|---|---|---|
| Lancaster County | Frost Advisory | 2 a.m. – 9 a.m. Saturday | Mid-30s | 57 |
| Franklin, Cumberland, Adams, York | Freeze Warning | 2 a.m. – 9 a.m. Saturday | Lower 30s | 57 |
Deeper Dive: News & Info About This Topic
HERE Resources
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Traffic Disruptions in Ephrata Township Due to Route 222 Crash
Tractor-Trailer Rollover Causes Major Traffic Delays in Lancaster County
Lancaster County Faces Frost Advisory with Rain on the Way
Columbia Weather Forecast: Possible Snow This Weekend
Greenville Prepares for Winter Weather
Winter Weather Takes Charleston by Surprise
Rock Hill Schools Transition to Remote Learning Ahead of Winter Storm
Additional Resources
- Lancaster Online: Frost Advisory for Lancaster County
- WGAL: Weekend Weather Forecast
- PennLive: Frost Advisory for Central PA
- Google Search: Frost Advisory
- The Weather Channel: Current Weather in Lancaster
Author: STAFF HERE ROCK HILL
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