Johnstown 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Johnstown 7-day weather forecast

created the forecast for Johnstown, Pennsylvania using data from . This week's high is 78 掳F on Thursday, while the low is 38 掳F on Sunday. There are expected to be 0 sunny days and rain on 7 days this week.

There are currently no weather alerts.

Monday, March 30

- High of 63 掳F, low of 48 掳F (76% humidity)
- Overcast with a 66% chance of rain (0 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 7:02 AM, sunset at 7:37 PM
1 / 6
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Tuesday, March 31

- High of 70 掳F, low of 59 掳F (79% humidity)
- Overcast with a 79% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:00 AM, sunset at 7:38 PM
2 / 6
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Wednesday, April 1

- High of 73 掳F, low of 61 掳F (64% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:59 AM, sunset at 7:39 PM
- Full moon
3 / 6
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Thursday, April 2

- High of 78 掳F, low of 62 掳F (46% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:57 AM, sunset at 7:40 PM
4 / 6
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Friday, April 3

- High of 71 掳F, low of 60 掳F (66% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 6:56 AM, sunset at 7:41 PM
5 / 6
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Saturday, April 4

- High of 75 掳F, low of 58 掳F (59% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 6:54 AM, sunset at 7:42 PM
6 / 6
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Sunday, April 5

- High of 65 掳F, low of 38 掳F (84% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 6:52 AM, sunset at 7:43 PM

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