Weather forecast for tomorrowPlacentia, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 90°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSE 154°
- Humidity: 28%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Tomorrow, on Sunday, clear skies and sunshine are also anticipated.
Temperatures are set to span a considerable range, with a high of a blazing 89.6°F and a low of an enjoyable 62.6°F.
The expected high of 89.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
Temperatures are set to span a considerable range, with a high of a blazing 89.6°F and a low of an enjoyable 62.6°F.
The expected high of 89.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 88°C.
Coldest hour: 6 am 66°C.
Coldest hour: 6 am 66°C.
Chance of precipitation
Highest chance: 9 pm 1%.
Hourly weather forecast
- 12 am
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphE 90°
- Humidity: 38%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 76°
- Humidity: 41%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 68°
- Humidity: 42%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 68°
- Humidity: 44%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:59 am
- 8 am
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphENE 66°
- Humidity: 41%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 77°
- Humidity: 26%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphESE 108°
- Humidity: 20%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 88°F
- Feels like:88°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 232°
- Humidity: 20%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 230°
- Humidity: 25%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphWSW 251°
- Humidity: 30%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 77°F
- Feels like:77°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 232°
- Humidity: 41%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 161°
- Humidity: 49%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of clear and cloud-filled weather is expected.
The temperature will vary between a minimum of 66.2°F and a maximum of 87.8°F. The hottest part of the day will be from 1 pm to 3 pm.
Tomorrow, the expected high matches September's average of 84°F more than October's. The night temperature will be consistent with the standard October low of 61°F.
The temperature will vary between a minimum of 66.2°F and a maximum of 87.8°F. The hottest part of the day will be from 1 pm to 3 pm.
Tomorrow, the expected high matches September's average of 84°F more than October's. The night temperature will be consistent with the standard October low of 61°F.
Updated: Oct 18, 2026 @ 03:33:19 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 in Placentia will be 89.6°F, while the lowest temperature will be 62.6°F.
The maximum temperature tomorrow will be notably higher than the average highest temperature of 77.9°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature tomorrow will be notably higher than the average highest temperature of 77.9°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Placentia, sunrise will be at 6:59 am and sunset at 6:14 pm (PDT).
In Placentia, the length of the day tomorrow will be 11h and 15min.





