Johnstown 7-day weather forecast

Written by:
December 15, 2025
ESOlex // Shutterstock

Johnstown 7-day weather forecast

Stacker created the forecast for Johnstown, Pennsylvania using data from OpenWeather. This week's high is 59 °F on Friday, while the low is 22 °F on Monday. There are expected to be 0 sunny days, snow on 2 days, and 4 days of rain this week.

There are currently no weather alerts.

Monday, January 5

- High of 42 °F, low of 22 °F (70% humidity)
- Overcast with a 20% chance of snow (0 mm of snow)
- Gentle breeze (11 mph wind)
- Sunrise at 7:38 AM, sunset at 5:03 PM
1 / 6
VOJTa Herout // Shutterstock

Tuesday, January 6

- High of 52 °F, low of 31 °F (93% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 7:38 AM, sunset at 5:04 PM
2 / 6
Hellame // Shutterstock

Wednesday, January 7

- High of 48 °F, low of 36 °F (96% humidity)
- Overcast with a 98% chance of rain (1 mm of rain)
- Fresh breeze (19 mph wind)
- Sunrise at 7:38 AM, sunset at 5:05 PM
3 / 6
STILLFX // Shutterstock

Thursday, January 8

- High of 53 °F, low of 34 °F (63% humidity)
- Overcast with a 0% chance of rain
- Light breeze (5 mph wind)
- Sunrise at 7:38 AM, sunset at 5:06 PM
4 / 6
Cari Rubin Photography // Shutterstock

Friday, January 9

- High of 59 °F, low of 43 °F (83% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 7:38 AM, sunset at 5:07 PM
5 / 6
Valeriy Boyarskiy // Shutterstock

Saturday, January 10

- High of 59 °F, low of 42 °F (92% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate breeze (16 mph wind)
- Sunrise at 7:37 AM, sunset at 5:08 PM
- Last quarter moon
6 / 6
Kristi Blokhin // Shutterstock

Sunday, January 11

- High of 37 °F, low of 28 °F (82% humidity)
- Overcast with a 97% chance of snow (1 mm of snow)
- Moderate breeze (15 mph wind)
- Sunrise at 7:37 AM, sunset at 5:09 PM

Trending Now