Weather forecast for 10 daysPort San Luis, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 77°F
- 57°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphW 270°
- Humidity: 55%
- UV index: 6
- Sunrise: 7:11 am PDT
- Sunset: 6:24 pm PDT
- details ▼
Today, in Port San Luis, a crisp, sunny atmosphere is likely.
Predicted temperatures will peak at a warm 77°F and dip to a minimum of a refreshing 57.2°F.
Today's forecasted high will be in line with October's typical peak of 74.3°F.
Sunrise was at 7:11 am and sunset will be at 6:24 pm; the daylight will last for 11h and 13min.
Predicted temperatures will peak at a warm 77°F and dip to a minimum of a refreshing 57.2°F.
Today's forecasted high will be in line with October's typical peak of 74.3°F.
Sunrise was at 7:11 am and sunset will be at 6:24 pm; the daylight will last for 11h and 13min.
10-day overview
Daily temperatures
Warmest day: today 77°C.
Coldest day: Wednesday 66°C.
Coldest day: Wednesday 66°C.
Chance of precipitation
Highest chance: Wednesday 81%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 77°F
- 57°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphW 270°
- Humidity: 55%
- UV index: 6
- Sunrise: 7:11 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 55°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 14mphNW 314°
- Humidity: 71%
- UV index: 5
- Sunrise: 7:12 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 57°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0.24"
- Wind: 10mphWSW 256°
- Humidity: 71%
- UV index: 4
- Sunrise: 7:13 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 55°F
Thunderstorms
- Precip. probability: 81%
- Precipitation: 0.59"
- Wind: 8mphSSE 152°
- Humidity: 81%
- UV index: 3
- Sunrise: 7:14 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 54°F
AM Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 14mphNW 321°
- Humidity: 75%
- UV index: 5
- Sunrise: 7:15 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 55°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 17mphNNW 336°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:16 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 54°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphNNW 348°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 54°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 13mphNNW 330°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:18 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 52°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 14mphNW 320°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 72°F
- 52°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 12mphNNW 331°
- Humidity: 60%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:13 pm PDT
- details ▼
Mixed conditions are forecasted for the coming ten days, and a mix of dull, dry and sunny, lightning-active and showery weather is anticipated.
Rainfall is forecasted for Tuesday through Thursday.
In the upcoming days, the highest temperature will range between 66.2°F and 77°F, while changes in the overnight low will be barely noticeable, as the lowest temperatures will remain in the range of 51.8°F to 57.2°F.
The warmest day is today, with a maximum temperature of 77°F; expect the coldest day on Wednesday with a high of 66.2°F.
Rainfall is forecasted for Tuesday through Thursday.
In the upcoming days, the highest temperature will range between 66.2°F and 77°F, while changes in the overnight low will be barely noticeable, as the lowest temperatures will remain in the range of 51.8°F to 57.2°F.
The warmest day is today, with a maximum temperature of 77°F; expect the coldest day on Wednesday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 14:15:00 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, a bright and mostly cloud-free sky is in store.
Today, the maximum temperature will be 77°F, while the minimum temperature will be 57.2°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.
On Sunday, in Port San Luis, sunrise was at 7:11 am and sunset will be at 6:24 pm (PDT).
Today, the daylight will last for 11h and 13min.
