Weather forecast for 10 daysPortola, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 201°
- Humidity: 34%
- UV index: 4
- Sunrise: 7:15 am PDT
- Sunset: 6:18 pm PDT
- details ▼
On Sunday, in Portola, sunny conditions are expected to continue.
A substantial temperature range, peaking at a moderately hot 73.4°F and bottoming out at a cold 39.2°F, is anticipated.
Temperatures are higher than average, more in line with September's norm of 73.8°F than with October's 60.4°F.
Sunrise will be at 7:15 am and sunset at 6:18 pm; the daylight will last for 11h and 2min.
A substantial temperature range, peaking at a moderately hot 73.4°F and bottoming out at a cold 39.2°F, is anticipated.
Temperatures are higher than average, more in line with September's norm of 73.8°F than with October's 60.4°F.
Sunrise will be at 7:15 am and sunset at 6:18 pm; the daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: today 73°C.
Coldest day: Thursday 52°C.
Coldest day: Thursday 52°C.
Chance of precipitation
Highest chance: Wednesday 71%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 201°
- Humidity: 34%
- UV index: 4
- Sunrise: 7:15 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- 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 ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 39°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSE 138°
- Humidity: 39%
- UV index: 3
- Sunrise: 7:17 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 61°F
- 41°F
PM Thundershowers
- Precip. probability: 71%
- Precipitation: 0.28"
- Wind: 5mphSE 139°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:18 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 52°F
- 36°F
Showers
- Precip. probability: 60%
- Precipitation: 0.28"
- Wind: 8mphWSW 245°
- Humidity: 77%
- UV index: 3
- Sunrise: 7:19 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 30°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphNNW 344°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:21 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 34°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 185°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 30°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 10mphSW 218°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:23 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 30°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 6mphSW 222°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 55°F
- 32°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 6mphSSW 207°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:25 am PDT
- Sunset: 6:05 pm PDT
- details ▼
And a mix of cloudy, sun-filled, thunderstorm-prone and damp weather is forecasted.
Rain is forecasted for Wednesday, Thursday and next Sunday. The days with the most rainfall will be Wednesday and Thursday, with light precipitation of 0.28".
The temperature will vary considerably in the next ten days. Maximum temperatures are forecasted between 51.8°F and 73.4°F, while the low temperature range extends from 30.2°F to 41°F.
Today is the warmest day, with a maximum temperature of 73.4°F; with the highest temperature of 51.8°F, Thursday will be the coldest day.
Rain is forecasted for Wednesday, Thursday and next Sunday. The days with the most rainfall will be Wednesday and Thursday, with light precipitation of 0.28".
The temperature will vary considerably in the next ten days. Maximum temperatures are forecasted between 51.8°F and 73.4°F, while the low temperature range extends from 30.2°F to 41°F.
Today is the warmest day, with a maximum temperature of 73.4°F; with the highest temperature of 51.8°F, Thursday will be the coldest day.
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
Today, in Portola, conditions remain stable and sunny, with little cloud presence.
Today, the highest temperature in Portola will be 73.4°F, while the lowest temperature will be 39.2°F.
The highest temperature today will be notably higher than the average maximum of 60.4°F in October. Today, the lowest temperature will be a couple of degrees higher than the average low temperature.
The highest temperature today will be notably higher than the average maximum of 60.4°F in October. Today, the lowest temperature will be a couple of degrees higher than the average low temperature.
On Sunday, in Portola, sunrise will be at 7:15 am and sunset at 6:18 pm (PDT).
In Portola, today, there will be 11h and 2min of daylight.
