Johnstown 7-day weather forecast

Written by:
April 14, 2025
ESOlex // Shutterstock

Johnstown 7-day weather forecast

Stacker created the forecast for Johnstown, Pennsylvania using data from OpenWeather. This week's high is 70 °F on Saturday, while the low is 29 °F on Thursday. There are expected to be 2 sunny days, snow on 1 day, and 5 days of rain this week.

There are currently no weather alerts.

Monday, April 14

- High of 62 °F, low of 44 °F (82% humidity)
- Overcast with a 100% chance of rain (18 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 6:38 AM, sunset at 7:52 PM
1 / 6
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Tuesday, April 15

- High of 57 °F, low of 38 °F (86% humidity)
- Mostly cloudy with a 100% chance of rain (5 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 6:36 AM, sunset at 7:54 PM
2 / 6
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Wednesday, April 16

- High of 46 °F, low of 34 °F (77% humidity)
- Overcast with a 98% chance of snow (2 mm of snow)
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:35 AM, sunset at 7:55 PM
3 / 6
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Thursday, April 17

- High of 54 °F, low of 29 °F (34% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:33 AM, sunset at 7:56 PM
4 / 6
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Friday, April 18

- High of 62 °F, low of 36 °F (53% humidity)
- Overcast with a 20% chance of rain (0 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 6:32 AM, sunset at 7:57 PM
5 / 6
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Saturday, April 19

- High of 70 °F, low of 59 °F (75% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Fresh breeze (20 mph wind)
- Sunrise at 6:30 AM, sunset at 7:58 PM
6 / 6
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Sunday, April 20

- High of 61 °F, low of 46 °F (33% humidity)
- Sunny with a 34% chance of rain (0 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 6:29 AM, sunset at 7:59 PM
- Last quarter moon

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