Johnstown 7-day weather forecast

Written by:
December 15, 2025
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Johnstown 7-day weather forecast

Stacker created the forecast for Johnstown, Pennsylvania using data from OpenWeather. This week's high is 19 °F on Monday, while the low is -16 °F on Saturday. There is expected to be 1 sunny day and snow on 7 days this week.

NWS State College PA has issued a extreme cold watch until Tuesday at 01:00 PM and a winter storm warning until Monday at 01:00 PM.

Monday, January 26

- High of 19 °F, low of 7 °F (94% humidity)
- Overcast with a 100% chance of snow (4 mm of snow)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:30 AM, sunset at 5:26 PM
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1 / 6
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Tuesday, January 27

- High of 17 °F, low of 1 °F (89% humidity)
- Fair with a 100% chance of snow (1 mm of snow)
- Moderate risk of harm from sun exposure (2 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 7:29 AM, sunset at 5:27 PM
2 / 6
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Wednesday, January 28

- High of 14 °F, low of -2 °F (84% humidity)
- Overcast with a 36% chance of snow (0 mm of snow)
- Moderate breeze (17 mph wind)
- Sunrise at 7:28 AM, sunset at 5:28 PM
3 / 6
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Thursday, January 29

- High of 14 °F, low of 3 °F (88% humidity)
- Overcast with a 20% chance of snow (1 mm of snow)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:27 AM, sunset at 5:29 PM
4 / 6
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Friday, January 30

- High of 15 °F, low of -12 °F (81% humidity)
- Overcast with a 20% chance of snow (0 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:26 AM, sunset at 5:31 PM
5 / 6
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Saturday, January 31

- High of 14 °F, low of -16 °F (90% humidity)
- Overcast with a 22% chance of snow (1 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:25 AM, sunset at 5:32 PM
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6 / 6
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Sunday, February 1

- High of 16 °F, low of -3 °F (92% humidity)
- Overcast with a 63% chance of snow (1 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:24 AM, sunset at 5:33 PM
- Full moon

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