Weather forecast for tomorrowFontana, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 86°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSW 217°
- Humidity: 30%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:10 pm PDT
- details ▼
Tomorrow, on Monday, sunshine and minimal clouds are in the outlook.
The maximum temperature will be a blazing 86°F, while the minimum forecasted temperature is a breezy 60.8°F.
The hotter conditions bring a maximum of 86°F, more representative of September than October.
Sunrise will be at 6:58 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 13min.
The maximum temperature will be a blazing 86°F, while the minimum forecasted temperature is a breezy 60.8°F.
The hotter conditions bring a maximum of 86°F, more representative of September than October.
Sunrise will be at 6:58 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 13min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 84°C.
Coldest hour: 6 am 63°C.
Coldest hour: 6 am 63°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 50°
- Humidity: 45%
- Pressure: 29.94"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 46°
- Humidity: 48%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 35°
- Humidity: 47%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 59°
- Humidity: 48%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:58 am
- 8 am
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 39°
- Humidity: 44%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 122°
- Humidity: 32%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 217°
- Humidity: 25%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 233°
- Humidity: 22%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWSW 243°
- Humidity: 25%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWSW 246°
- Humidity: 33%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphWSW 247°
- Humidity: 44%
- Pressure: 29.83"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 236°
- Humidity: 52%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, sunshine is expected.
The temperature will vary between a minimum of 62.6°F and a maximum of 84.2°F. The hottest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 88.3°F more than October's 78.8°F. The temperature low is forecasted to be similar to the usual October value of 57.2°F.
The temperature will vary between a minimum of 62.6°F and a maximum of 84.2°F. The hottest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 88.3°F more than October's 78.8°F. The temperature low is forecasted to be similar to the usual October value of 57.2°F.
Updated: Oct 18, 2026 @ 10:44:00 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, in Fontana, sunny conditions are expected to continue.
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 60.8°F.
The highest temperature will be moderately higher than the average maximum of 78.8°F in October. The lowest temperature will be in line with the average low of 57.2°F.
The highest temperature will be moderately higher than the average maximum of 78.8°F in October. The lowest temperature will be in line with the average low of 57.2°F.
On Monday, in Fontana, sunrise will be at 6:58 am and sunset at 6:10 pm (PDT).
Tomorrow, the daylight will last for 11h and 13min.
