Weather forecast for tomorrowJohnstown, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 88°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphW 279°
- Humidity: 29%
- UV index: 6
- Sunrise: 6:54 am PDT
- Sunset: 6:11 pm PDT
- details ▼
On Sunday, October 18, sunny and dry conditions are also anticipated.
Temperature readings will considerable fluctuate from a daytime peak of a blazing 87.8°F to a nighttime low of an enjoyable 60.8°F.
Tomorrow, meteorological data suggests the high will feel more like September, based on a forecast of 87.8°F.
Sunrise will be at 6:54 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 17min.
Temperature readings will considerable fluctuate from a daytime peak of a blazing 87.8°F to a nighttime low of an enjoyable 60.8°F.
Tomorrow, meteorological data suggests the high will feel more like September, based on a forecast of 87.8°F.
Sunrise will be at 6:54 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 17min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 86°C.
Coldest hour: 6 am 63°C.
Coldest hour: 6 am 63°C.
Chance of precipitation
Highest chance: 9 pm 1%.
Hourly weather forecast
- 12 am
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 79°
- Humidity: 34%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 85°
- Humidity: 39%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 84°
- Humidity: 44%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 86°
- Humidity: 47%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:54 am
- 8 am
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphE 80°
- Humidity: 43%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphW 277°
- Humidity: 28%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWSW 253°
- Humidity: 21%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphW 274°
- Humidity: 20%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWNW 283°
- Humidity: 24%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphW 280°
- Humidity: 35%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 8 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 274°
- Humidity: 49%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSSE 166°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, sunny conditions are likely to prevail.
The temperature will be between a minimum of 62.6°F and a maximum of 86°F. The hottest part of the day will be from 1 pm to 3 pm.
The temperature tomorrow will feel more resembling September's average high of 83.3°F than the usual for October. The minimum temperature will be close to October's average low of 57.7°F.
The temperature will be between a minimum of 62.6°F and a maximum of 86°F. The hottest part of the day will be from 1 pm to 3 pm.
The temperature tomorrow will feel more resembling September's average high of 83.3°F than the usual for October. The minimum temperature will be close to October's average low of 57.7°F.
Updated: Oct 18, 2026 @ 03:02:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, bright and sunny weather is expected.
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 60.8°F.
The maximum temperature will be noticeably higher than the average highest temperature of 77.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature will be noticeably higher than the average highest temperature of 77.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Johnstown, sunrise will be at 6:54 am and sunset at 6:11 pm (PDT).
Tomorrow, the daylight will last for 11h and 17min.





