Lebanon 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Lebanon 7-day weather forecast

Stacker created the forecast for Lebanon, Pennsylvania using data from OpenWeather. This week's high is 83 °F on Friday, while the low is 45 °F on Sunday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 81 °F, low of 60 °F (55% humidity)
- Overcast with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:46 AM, sunset at 7:15 PM
1 / 6
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Tuesday, September 16

- High of 77 °F, low of 56 °F (49% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:47 AM, sunset at 7:13 PM
2 / 6
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Wednesday, September 17

- High of 67 °F, low of 58 °F (77% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:48 AM, sunset at 7:11 PM
3 / 6
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Thursday, September 18

- High of 82 °F, low of 59 °F (63% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:49 AM, sunset at 7:10 PM
4 / 6
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Friday, September 19

- High of 83 °F, low of 60 °F (43% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 6:50 AM, sunset at 7:08 PM
5 / 6
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Saturday, September 20

- High of 71 °F, low of 51 °F (42% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 6:51 AM, sunset at 7:06 PM
6 / 6
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Sunday, September 21

- High of 71 °F, low of 45 °F (57% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 6:52 AM, sunset at 7:04 PM
- New moon

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