Weather forecast for 10 daysPlacentia, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 90°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 176°
- Humidity: 28%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Sunday, in Placentia, expect consistent sunshine and open skies.
A remarkable high of a tropical 89.6°F during the day and a stark low of an enjoyable 62.6°F at night are forecasted.
Tomorrow, expect a hotter trend, with a high of 89.6°F more common in September.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
A remarkable high of a tropical 89.6°F during the day and a stark low of an enjoyable 62.6°F at night are forecasted.
Tomorrow, expect a hotter trend, with a high of 89.6°F more common in September.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: tomorrow 90°C.
Coldest day: Thursday 70°C.
Coldest day: Thursday 70°C.
Chance of precipitation
Highest chance: Thursday 80%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 66°F
Clouds Early / Clearing Late
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphE 90°
- Humidity: 32%
- UV index: 0
- Sunrise: 6:58 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 90°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 176°
- Humidity: 28%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 86°F
- 63°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 194°
- Humidity: 45%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 61°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphSSW 192°
- Humidity: 59%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 61°F
Showers
- Precip. probability: 55%
- Precipitation: 0.43"
- Wind: 9mphS 190°
- Humidity: 65%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 57°F
Thunderstorms
- Precip. probability: 80%
- Precipitation: 0.28"
- Wind: 8mphSSW 195°
- Humidity: 73%
- UV index: 4
- Sunrise: 7:02 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 57°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphS 183°
- Humidity: 64%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 59°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 210°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 59°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphS 177°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 57°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 8mphS 182°
- Humidity: 60%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:04 pm PDT
- details ▼
Mixed conditions are forecasted for the coming ten days, and a mix of overcast, clear, wet and stormy weather is predicted.
Rainfall is predicted for Wednesday and Thursday.
The temperature will vary considerably throughout the forecast window. Maximum temperatures are forecasted between 69.8°F and 89.6°F, while the minimum temperature is forecast to range between 57.2°F and 66.2°F.
Expect the hottest day on Sunday, with temperatures peaking at 89.6°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 69.8°F.
Rainfall is predicted for Wednesday and Thursday.
The temperature will vary considerably throughout the forecast window. Maximum temperatures are forecasted between 69.8°F and 89.6°F, while the minimum temperature is forecast to range between 57.2°F and 66.2°F.
Expect the hottest day on Sunday, with temperatures peaking at 89.6°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 69.8°F.
Updated: Oct 17, 2026 @ 22:33:32 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, sunny skies and pleasant visibility are expected.
Tomorrow, the highest temperature will be 89.6°F, while the lowest temperature will be 62.6°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 77.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 77.9°F in October. The lowest temperature tomorrow 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.





