Weather forecast for tomorrowPortola, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 195°
- Humidity: 35%
- UV index: 4
- Sunrise: 7:16 am PDT
- Sunset: 6:16 pm PDT
- details ▼
On Monday, October 19, sunshine will prevail for most of the day.
A stark contrast will be evident between the daytime peak temperature of a pleasant 69.8°F and the nighttime low of a cold 39.2°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 73.8°F.
Sunrise will be at 7:16 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 0min.
A stark contrast will be evident between the daytime peak temperature of a pleasant 69.8°F and the nighttime low of a cold 39.2°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 73.8°F.
Sunrise will be at 7:16 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 0min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 3 am - 9 am 1%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 181°
- Humidity: 45%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 182°
- Humidity: 50%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphS 185°
- Humidity: 52%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphS 183°
- Humidity: 56%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:16 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphS 181°
- Humidity: 56%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 189°
- Humidity: 37%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 203°
- Humidity: 27%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 207°
- Humidity: 24%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 205°
- Humidity: 26%
- Pressure: 29.77"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 217°
- Humidity: 31%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 54°F
- Feels like:54°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 223°
- Humidity: 38%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:52°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWSW 246°
- Humidity: 43%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of bright and cloud-filled weather is expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 2 pm.
The forecasted maximum is more alike with September's typical high of 73.8°F than the average for October. The nighttime low will be relatively higher than the typical October minimum temperature of 34.9°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 2 pm.
The forecasted maximum is more alike with September's typical high of 73.8°F than the average for October. The nighttime low will be relatively higher than the typical October minimum temperature of 34.9°F.
Updated: Oct 18, 2026 @ 12:17:29 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, a pleasant, mostly sunny outlook is in place.
Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be notably higher than the average highest temperature of 60.4°F in October. The lowest temperature will be a couple of degrees higher than the average low of 34.9°F.
The maximum temperature will be notably higher than the average highest temperature of 60.4°F in October. The lowest temperature will be a couple of degrees higher than the average low of 34.9°F.
On Monday, in Portola, sunrise will be at 7:16 am and sunset at 6:16 pm (PDT).
In Portola, tomorrow, there will be 11h and 0min of daylight.
