Lancaster 7-day weather forecast

Written by:
June 23, 2025
ESOlex // Shutterstock

Lancaster 7-day weather forecast

Stacker created the forecast for Lancaster, Pennsylvania using data from OpenWeather. This week's high is 100 °F on Monday, while the low is 70 °F on Saturday. There are expected to be 4 sunny days and rain on 5 days this week.

NWS State College PA has issued a extreme heat warning until Thursday at 08:00 PM and an air quality alert until Tuesday at 08:00 PM.

Monday, June 23

- High of 100 °F, low of 77 °F (62% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:36 AM, sunset at 8:37 PM
1 / 6
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Tuesday, June 24

- High of 94 °F, low of 74 °F (59% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:37 AM, sunset at 8:38 PM
2 / 6
Deborah Kolb // Shutterstock

Wednesday, June 25

- High of 92 °F, low of 73 °F (59% humidity)
- Sunny with a 55% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:37 AM, sunset at 8:38 PM
- New moon
3 / 6
Alex Stemmer // Shutterstock

Thursday, June 26

- High of 89 °F, low of 72 °F (69% humidity)
- Mostly cloudy with a 100% chance of rain (18 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:37 AM, sunset at 8:38 PM
4 / 6
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Friday, June 27

- High of 85 °F, low of 72 °F (80% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 5:38 AM, sunset at 8:38 PM
5 / 6
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Saturday, June 28

- High of 90 °F, low of 70 °F (62% humidity)
- Partly cloudy with a 100% chance of rain (4 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:38 AM, sunset at 8:38 PM
6 / 6
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Sunday, June 29

- High of 89 °F, low of 72 °F (59% humidity)
- Mostly sunny with a 100% chance of rain (1 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:39 AM, sunset at 8:38 PM

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