Chambersburg 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Chambersburg 7-day weather forecast

Stacker created the forecast for Chambersburg, Pennsylvania using data from OpenWeather. This week's high is 88 °F on Friday, while the low is 51 °F on Sunday. There are expected to be 4 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 79 °F, low of 60 °F (42% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:51 AM, sunset at 7:19 PM
1 / 6
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Tuesday, September 16

- High of 79 °F, low of 57 °F (41% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:52 AM, sunset at 7:18 PM
2 / 6
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Wednesday, September 17

- High of 67 °F, low of 56 °F (82% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:53 AM, sunset at 7:16 PM
3 / 6
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Thursday, September 18

- High of 84 °F, low of 60 °F (37% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:54 AM, sunset at 7:14 PM
4 / 6
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Friday, September 19

- High of 88 °F, low of 61 °F (30% humidity)
- Sunny with a 20% chance of rain (0 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 6:55 AM, sunset at 7:13 PM
5 / 6
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Saturday, September 20

- High of 75 °F, low of 54 °F (30% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 6:56 AM, sunset at 7:11 PM
6 / 6
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Sunday, September 21

- High of 77 °F, low of 51 °F (38% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 6:57 AM, sunset at 7:09 PM
- New moon

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