Weather forecast for tomorrowThornton, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 84°F
- 48°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphWSW 244°
- Humidity: 47%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Tomorrow, expect bright skies and plenty of sunshine.
Temperature values will vary noticeably, extending from a temperate 84.2°F to a chilly 48.2°F.
The maximum heat index, which combines air temperature and relative humidity, is computed to be 84.2°F.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 88.5°F than October's of 76.8°F.
Sunrise will be at 7:17 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 6min.
Temperature values will vary noticeably, extending from a temperate 84.2°F to a chilly 48.2°F.
The maximum heat index, which combines air temperature and relative humidity, is computed to be 84.2°F.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 88.5°F than October's of 76.8°F.
Sunrise will be at 7:17 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 6min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 84°C.
Coldest hour: 6 am 50°C.
Coldest hour: 6 am 50°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSW 224°
- Humidity: 59%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 55°F
- Feels like:55°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphS 172°
- Humidity: 68%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphSSE 164°
- Humidity: 70%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSW 218°
- Humidity: 84%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphWSW 241°
- Humidity: 86%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 226°
- Humidity: 52%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 239°
- Humidity: 34%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWSW 256°
- Humidity: 29%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 253°
- Humidity: 29%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWSW 257°
- Humidity: 38%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:23 pm
- 8 pm
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphWSW 246°
- Humidity: 59%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 59°F
- Feels like:57°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphWSW 238°
- Humidity: 75%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunshine is expected.
The temperature difference between day and night will be significant, as the lowest temperature will be 48.2°F while the highest temperature will be 84.2°F. The hottest part of the day will be around 3 pm.
The maximum temperature will align more closely with September's average high of 88.5°F than with October's 76.8°F. The lowest temperature tomorrow will be a few degrees lower than the standard minimum for October.
The temperature difference between day and night will be significant, as the lowest temperature will be 48.2°F while the highest temperature will be 84.2°F. The hottest part of the day will be around 3 pm.
The maximum temperature will align more closely with September's average high of 88.5°F than with October's 76.8°F. The lowest temperature tomorrow will be a few degrees lower than the standard minimum for October.
Updated: Oct 18, 2026 @ 02:06:10 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
On Sunday, conditions remain stable and sunny, with little cloud presence.
Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 48.2°F. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 84.2°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 76.8°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 53.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 76.8°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 53.6°F.
On Sunday, in Thornton, sunrise will be at 7:17 am and sunset at 6:23 pm (PDT).
In Thornton, tomorrow, there will be 11h and 6min of daylight.
