Chambersburg 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Chambersburg 7-day weather forecast

Stacker created the forecast for Chambersburg, Pennsylvania using data from OpenWeather. This week's high is 92 °F on Monday, while the low is 49 °F on Thursday. There is expected to be 1 sunny day and rain on 7 days this week.

There are currently no weather alerts.

Monday, May 18

- High of 92 °F, low of 64 °F (50% humidity)
- Mostly sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:53 AM, sunset at 8:21 PM
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1 / 6
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Tuesday, May 19

- High of 90 °F, low of 63 °F (51% humidity)
- Partly sunny with a 100% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:52 AM, sunset at 8:22 PM
2 / 6
Deborah Kolb // Shutterstock

Wednesday, May 20

- High of 85 °F, low of 61 °F (53% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:51 AM, sunset at 8:23 PM
3 / 6
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Thursday, May 21

- High of 61 °F, low of 49 °F (73% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:50 AM, sunset at 8:24 PM
4 / 6
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Friday, May 22

- High of 52 °F, low of 49 °F (96% humidity)
- Overcast with a 100% chance of rain (19 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:49 AM, sunset at 8:24 PM
5 / 6
Dmitry Naumov // Shutterstock

Saturday, May 23

- High of 51 °F, low of 49 °F (98% humidity)
- Overcast with a 100% chance of rain (37 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:49 AM, sunset at 8:25 PM
- First quarter moon
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6 / 6
LeManna // Shutterstock

Sunday, May 24

- High of 52 °F, low of 50 °F (96% humidity)
- Overcast with a 100% chance of rain (20 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:48 AM, sunset at 8:26 PM

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