Weather forecast for 10 days
Johnstown, PA

Weather forecast for the weekend

Saturday, Apr 19.

PM Thunderstorms
6:29 am

8:00 pm
EDT
PM Thunderstorms
77°F / 50°F
  • Wind: 17mph WSW
  • Humidity: 54%
  • Precip. probability: 48%
  • Precipitation: 0.24"
  • UV index: 5
Tomorrow, in Johnstown, thunder and rain showers will move in during the afternoon.
The chance of rainfall is low, and light precipitation is expected. Significant temperature fluctuations from a high of a temperate 77°F to a low of a crisp 50°F are forecasted.
Tomorrow, the high of 77°F will be higher and more in line with May's typical maximum of 68°F than April's 57°F.
Sunrise will be at 6:29 am and sunset at 8:00 pm; tomorrow's daylight will last for 13h and 31min.

Sunday, Apr 20.

Mostly Cloudy
6:27 am

8:01 pm
EDT
Mostly Cloudy
68°F / 55°F
  • Wind: 6mph NNW
  • Humidity: 51%
  • Precip. probability: 6%
  • Precipitation: 0.12"
  • UV index: 6
On Sunday, April 20, widespread cloud cover will remain in place.
Minimal precipitation is predicted. Temperature fluctuations between a pleasant 68°F and a moderate 55.4°F are expected.
On Sunday, the expected high temperature of 68°F better resembles May's average maximum than April's usual.
Sunrise will be at 6:27 am and sunset at 8:01 pm; the daylight will last for 13h and 34min.

Frequently asked questions

What is the weather forecast for Johnstown for tomorrow?
On Saturday, stormy skies and lightning strikes are expected later today.
Will it rain tomorrow?
With a probability of 48%, light precipitation of 0.24" is predicted.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 50°F.
The maximum temperature tomorrow will be noticeably higher than the average highest temperature of 57°F in April. Tomorrow, the lowest temperature will be also noticeably higher than the average low of 38.5°F.
What time are sunrise and sunset tomorrow in Johnstown?
On Saturday, in Johnstown, sunrise will be at 6:29 am and sunset at 8:00 pm (EDT).
How many hours of daylight will Johnstown have tomorrow?
Tomorrow, the daylight will last for 13h and 31min.
What is the weather forecast for Johnstown for Sunday?
On Sunday, mostly cloudy conditions are expected.
Will it rain on Sunday?
On Sunday, there is a low chance of minimal precipitation in Johnstown.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 68°F, while the lowest temperature will be 55.4°F.
What is the weather forecast for Johnstown for the next ten days?
In Johnstown, weather will be unstable, and a combination of overcast, showery, mostly clear and turbulent weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Saturday, Monday, next Friday through next Sunday in Johnstown. With moderate precipitation of 0.51", next Saturday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 62.6°F and 78.8°F, as the minimum temperature will vary between 44.6°F and 66.2°F.
What will be the warmest and the coldest days?
With a maximum temperature of 78.8°F, Friday and Thursday will be the warmest days. The coldest day will be next Sunday, with a maximum of 62.6°F.

Long-term weather forecast

FriApr 18.
  • 79°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 15mph SSW
  • Humidity: 42%
  • UV index: 7
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:30 am 7:59 pm EDT
SatApr 19.
  • 77°F
  • 50°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 17mph WSW
  • Humidity: 54%
  • UV index: 5
  • Precip. probability: 48%
  • Precipitation: 0.24"
  • 6:29 am 8:00 pm EDT
SunApr 20.
  • 68°F
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph NNW
  • Humidity: 51%
  • UV index: 6
  • Precip. probability: 6%
  • Precipitation: 0.12"
  • 6:27 am 8:01 pm EDT
MonApr 21.
  • 73°F
  • 54°F
PM Showers
PM Showers
  • Wind: 13mph S
  • Humidity: 59%
  • UV index: 6
  • Precip. probability: 58%
  • Precipitation: 0.2"
  • 6:26 am 8:02 pm EDT
TueApr 22.
  • 64°F
  • 45°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 13mph W
  • Humidity: 62%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:24 am 8:03 pm EDT
WedApr 23.
  • 75°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph SW
  • Humidity: 48%
  • UV index: 7
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:23 am 8:04 pm EDT
ThuApr 24.
  • 79°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSW
  • Humidity: 49%
  • UV index: 7
  • Precip. probability: 10%
  • Precipitation: 0"
  • 6:22 am 8:05 pm EDT
FriApr 25.
  • 75°F
  • 59°F
PM Showers
PM Showers
  • Wind: 8mph S
  • Humidity: 59%
  • UV index: 5
  • Precip. probability: 33%
  • Precipitation: 0.28"
  • 6:20 am 8:06 pm EDT
SatApr 26.
  • 70°F
  • 52°F
Rain / Thunder
Rain / Thunder
  • Wind: 10mph SW
  • Humidity: 79%
  • UV index: 3
  • Precip. probability: 60%
  • Precipitation: 0.51"
  • 6:19 am 8:07 pm EDT
SunApr 27.
  • 63°F
  • 48°F
AM Showers
AM Showers
  • Wind: 9mph N
  • Humidity: 72%
  • UV index: 6
  • Precip. probability: 36%
  • Precipitation: 0.08"
  • 6:18 am 8:08 pm EDT
An unsettled pattern is expected over the next ten days, and a mix of overcast, damp, bright and lightning-active weather is forecasted.
Rainfall is forecasted for Saturday, Monday, next Friday through next Sunday.
Significant changes in temperature are expected in the upcoming period. Maximum temperatures are forecasted between 62.6°F and 78.8°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 44.6°F and 66.2°F.
The warmest days in Johnstown, Pennsylvania, will be Friday and Thursday, with a maximum of 78.8°F; the lowest daytime temperature of the period will be reached on next Sunday, peaking at 62.6°F.
Updated: Apr 18, 2025 @ 10:28:51 UTC
Published by: Weather U.S. | About Us
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