Weather forecast for 10 days
Johnstown, CA

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:38 am

8:00 pm
PDT
Partly Cloudy
77°F / 57°F
  • Wind: 12mph SW
  • Humidity: 57%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 11
On Saturday, June 21, variable cloud cover will persist, but sunshine will break through.
The highest temperature will be a moderately hot 77°F, while the lowest temperature will be a mild 57.2°F.
Saturday's temperature is expected to match June's standard peak of 78.4°F.
Sunrise will be at 5:38 am and sunset at 8:00 pm; the daylight will last for 14h and 22min.

Sunday, Jun 22.

Sunny
5:38 am

8:00 pm
PDT
Sunny
81°F / 57°F
  • Wind: 11mph W
  • Humidity: 53%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 11
On Sunday, June 22, sunny and dry conditions are anticipated.
Temperatures will oscillate between a warm 80.6°F at their highest and a refreshing 57.2°F at their lowest.
Sunday's highest temperature is forecasted to match the regular high for June at 78.4°F.
Sunrise will be at 5:38 am and sunset at 8:00 pm; the daylight will last for 14h and 22min.

Frequently asked questions

What is the weather forecast for Johnstown for Saturday?
On Saturday, in Johnstown, a partly cloudy outlook will keep the sky interesting throughout the day.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 77°F, while the minimum temperature will be 57.2°F.
What is the weather forecast for Johnstown for Sunday?
On Sunday, in Johnstown, sunny skies are in store, with excellent visibility.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 80.6°F, while the minimum temperature will be 57.2°F.
What is the weather forecast for Johnstown for the next ten days?
In Johnstown, a combination of sunny, gloomy and fog-covered weather is expected for the next ten days.
How hot will it be in the next ten days in Johnstown?
The maximum temperature will range between 77°F and 87.8°F, while the minimum temperature will vary between 57.2°F and 62.6°F.
What will be the hottest and the coldest days?
The hottest day will be next Friday, with a maximum of 87.8°F. With a maximum temperature of 77°F, Saturday will be the coldest day.

Long-term weather forecast

WedJun 18.
  • min.
  • 61°F
Fog Late
Fog Late
  • Wind: 2mph WSW
  • Humidity: 87%
  • UV index: 0
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:38 am 7:59 pm PDT
ThuJun 19.
  • 86°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:38 am 8:00 pm PDT
FriJun 20.
  • 81°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:38 am 8:00 pm PDT
SatJun 21.
  • 77°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 57%
  • UV index: 11
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:38 am 8:00 pm PDT
SunJun 22.
  • 81°F
  • 57°F
Sunny
Sunny
  • Wind: 11mph W
  • Humidity: 53%
  • UV index: 11
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:38 am 8:00 pm PDT
MonJun 23.
  • 81°F
  • 57°F
Sunny
Sunny
  • Wind: 10mph WSW
  • Humidity: 52%
  • UV index: 11
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:39 am 8:00 pm PDT
TueJun 24.
  • 81°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph W
  • Humidity: 54%
  • UV index: 11
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:39 am 8:00 pm PDT
WedJun 25.
  • 82°F
  • 61°F
Sunny
Sunny
  • Wind: 10mph W
  • Humidity: 53%
  • UV index: 11
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:39 am 8:01 pm PDT
ThuJun 26.
  • 86°F
  • 61°F
Sunny
Sunny
  • Wind: 9mph W
  • Humidity: 51%
  • UV index: 11
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:40 am 8:01 pm PDT
FriJun 27.
  • 88°F
  • 63°F
Sunny
Sunny
  • Wind: 9mph W
  • Humidity: 48%
  • UV index: 11
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:40 am 8:01 pm PDT
Over the next ten days, a mix of mostly clear, cloudy and misty weather is predicted.
Rain is not expected in Johnstown in the upcoming days.
In the upcoming days, the maximum temperature will range between 77°F and 87.8°F, while the nighttime low will be mostly stable, as the minimum temperature is expected to range between 57.2°F and 62.6°F.
The hottest day will be next Friday, with a maximum of 87.8°F; expect the coldest day on Saturday with a high of 77°F.
Updated: Jun 19, 2025 @ 06:58:00 UTC
Published by: Weather U.S. | About Us
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