Weather forecast for 10 daysWestminster, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 84°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 243°
- Humidity: 38%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Today, in Westminster, sunny skies are in store, with excellent visibility.
Temperature is expected to swing from a high of a moderately hot 84.2°F to a low of a comfortable 64.4°F.
Expect a hotter feel as the forecasted high matches September's 78.3°F, rather than October's average of 74.5°F.
Sunrise will be at 6:59 am and sunset at 6:14 pm; the daylight will last for 11h and 15min.
Temperature is expected to swing from a high of a moderately hot 84.2°F to a low of a comfortable 64.4°F.
Expect a hotter feel as the forecasted high matches September's 78.3°F, rather than October's average of 74.5°F.
Sunrise will be at 6:59 am and sunset at 6:14 pm; the daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: today 84°C.
Coldest day: Thursday 72°C.
Coldest day: Thursday 72°C.
Chance of precipitation
Highest chance: Wednesday 84%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 84°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 243°
- Humidity: 38%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 64°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphS 180°
- Humidity: 61%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 77°F
- 63°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphS 177°
- Humidity: 67%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 63°F
Rain
- Precip. probability: 84%
- Precipitation: 0"
- Wind: 12mphSSE 158°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:01 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 59°F
Thunderstorms
- Precip. probability: 63%
- Precipitation: 0.43"
- Wind: 9mphSSW 204°
- Humidity: 67%
- UV index: 6
- Sunrise: 7:02 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 61°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0.24"
- Wind: 8mphSSW 197°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 81°F
- 61°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphWNW 298°
- Humidity: 48%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 61°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 61°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphSSW 209°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:06 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 59°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphS 175°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am PDT
- Sunset: 6:04 pm PDT
- details ▼
The next ten days will bring unstable conditions, and a mix of gloomy, bright, wet and turbulent weather is anticipated.
With a 63% probability, rainfall is anticipated only on Thursday. Expected precipitation will be moderate at 0.43".
There will be a considerable variation in temperature in the upcoming period. The maximum temperature will vary between 71.6°F and 84.2°F, while the nighttime low will be mostly stable, as the minimum temperature will fluctuate between 59°F and 64.4°F.
Today is the hottest day, with a maximum temperature of 84.2°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 71.6°F.
With a 63% probability, rainfall is anticipated only on Thursday. Expected precipitation will be moderate at 0.43".
There will be a considerable variation in temperature in the upcoming period. The maximum temperature will vary between 71.6°F and 84.2°F, while the nighttime low will be mostly stable, as the minimum temperature will fluctuate between 59°F and 64.4°F.
Today is the hottest day, with a maximum temperature of 84.2°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 71.6°F.
Updated: Oct 18, 2026 @ 07:29:45 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
Today, clear and sunny conditions are expected.
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 64.4°F.
The highest temperature will be uncommonly higher than the average maximum of 74.5°F in October. The lowest temperature today will be in line with the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 74.5°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Westminster, sunrise will be at 6:59 am and sunset at 6:14 pm (PDT).
In Westminster, the length of the day today will be 11h and 15min.
