Weather forecast for tomorrowPort San Luis, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 72°F
- 55°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 14mphNW 313°
- Humidity: 71%
- UV index: 5
- Sunrise: 7:12 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Tomorrow, on Monday, October 19, predominantly sunny weather will make for pleasant outdoor conditions.
The temperature will fluctuate from a high of a delightful 71.6°F to a low of a refreshing 55.4°F.
The anticipated daily high is projected to match October's typical maximum of 74.3°F.
Sunrise will be at 7:12 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 10min.
The temperature will fluctuate from a high of a delightful 71.6°F to a low of a refreshing 55.4°F.
The anticipated daily high is projected to match October's typical maximum of 74.3°F.
Sunrise will be at 7:12 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 10min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 70°C.
Coldest hour: 6 am 57°C.
Coldest hour: 6 am 57°C.
Chance of precipitation
Highest chance: 6 am 21%.
Hourly weather forecast
- 12 am
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 3mphNNW 331°
- Humidity: 89%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 2 am
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 3mphNNE 20°
- Humidity: 90%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 57°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphNNE 16°
- Humidity: 88%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 57°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphN 355°
- Humidity: 88%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:12 am
- 8 am
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphN 354°
- Humidity: 87%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNW 306°
- Humidity: 73%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphWNW 294°
- Humidity: 64%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 70°F
- Feels like:70°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphWNW 303°
- Humidity: 63%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphNW 306°
- Humidity: 64%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphNW 312°
- Humidity: 69%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:23 pm
- 8 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphNW 319°
- Humidity: 80%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphNNW 334°
- Humidity: 82%
- Pressure: 29.88"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of cloudy and mostly clear weather is forecasted.
The temperature will vary between the lowest temperature of 57.2°F and the highest temperature of 69.8°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will be alike with the average high of 74.3°F in October. The lowest temperature is also resembling October's typical minimum of 56.5°F.
The temperature will vary between the lowest temperature of 57.2°F and the highest temperature of 69.8°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will be alike with the average high of 74.3°F in October. The lowest temperature is also resembling October's typical minimum of 56.5°F.
Updated: Oct 18, 2026 @ 16:19:05 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 Monday, clear skies with only minor cloud interruptions are in the outlook.
Tomorrow, the maximum temperature in Port San Luis will be 71.6°F, while the minimum temperature will be 55.4°F.
The highest temperature will be in line with the average maximum of 74.3°F in October. The lowest temperature will be also in line with the average low of 56.5°F.
The highest temperature will be in line with the average maximum of 74.3°F in October. The lowest temperature will be also in line with the average low of 56.5°F.
On Monday, in Port San Luis, sunrise will be at 7:12 am and sunset at 6:23 pm (PDT).
In Port San Luis, tomorrow, there will be 11h and 10min of daylight.





