Weather forecast for 10 daysCardiff, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 81°F
- 63°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNW 320°
- Humidity: 42%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:12 pm PDT
- details ▼
Today, on Sunday, October 18, sun-filled conditions are expected to persist.
The temperature will vary between a maximum of a moderately hot 80.6°F and a minimum of an enjoyable 62.6°F.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 80.6°F.
Sunrise will be at 6:55 am and sunset at 6:12 pm; the daylight will last for 11h and 17min.
The temperature will vary between a maximum of a moderately hot 80.6°F and a minimum of an enjoyable 62.6°F.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 80.6°F.
Sunrise will be at 6:55 am and sunset at 6:12 pm; the daylight will last for 11h and 17min.
10-day overview
Daily temperatures
Warmest day: today 81°C.
Coldest day: Thursday 70°C.
Coldest day: Thursday 70°C.
Chance of precipitation
Highest chance: Thursday 72%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 81°F
- 63°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNW 320°
- Humidity: 42%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 77°F
- 63°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphWSW 251°
- Humidity: 62%
- UV index: 6
- Sunrise: 6:56 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 63°F
Mostly Sunny
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 10mphSW 229°
- Humidity: 73%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 63°F
PM Showers
- Precip. probability: 54%
- Precipitation: 0.39"
- Wind: 11mphSSW 201°
- Humidity: 65%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 59°F
AM Thunderstorms
- Precip. probability: 72%
- Precipitation: 0.16"
- Wind: 10mphSW 232°
- Humidity: 68%
- UV index: 5
- Sunrise: 6:59 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 59°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 10mphW 263°
- Humidity: 63%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 61°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphNW 311°
- Humidity: 53%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 61°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphWSW 241°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 61°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 10mphSW 234°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 59°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphSW 236°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:02 pm PDT
- details ▼
Over the course of the next ten days, expect shifting weather, and a mix of sun-filled, cloudy, damp and storm-filled weather is predicted.
Rainfall is expected on Wednesday and Thursday.
In the upcoming period, the highest temperature will range between 69.8°F and 80.6°F, while the lowest nighttime temperatures will be relatively consistent, as the minimum temperature is expected to range between 59°F and 62.6°F.
The warmest day is today, with a maximum temperature of 80.6°F; the coldest day will be Thursday, with a maximum of 69.8°F.
Rainfall is expected on Wednesday and Thursday.
In the upcoming period, the highest temperature will range between 69.8°F and 80.6°F, while the lowest nighttime temperatures will be relatively consistent, as the minimum temperature is expected to range between 59°F and 62.6°F.
The warmest day is today, with a maximum temperature of 80.6°F; the coldest day will be Thursday, with a maximum of 69.8°F.
Updated: Oct 18, 2026 @ 12:50:37 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, sunny conditions are expected to continue.
Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 62.6°F. The maximum heat index, which combines relative humidity and air temperature, is estimated at 80.6°F.
On Sunday, in Cardiff, sunrise will be at 6:55 am and sunset at 6:12 pm (PDT).
In Cardiff, the length of the day today will be 11h and 17min.





