Weather forecast for 10 daysPetrolia, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 61°F
  • 45°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 12mphNNW 334°
  • Humidity: 89%
  • UV index: 4
  • Sunrise: 7:31 am PDT
  • Sunset: 6:32 pm PDT
  • ▼
On Sunday, October 18, the day will start gloomy and cloudy, but expect a transition to sunny conditions later on.
A temperature range of an enjoyable 60.8°F to a chilly 44.6°F is forecasted.
The day’s top temperature is expected to be a couple of degrees lower than the typical October high of 66.2°F.
Sunrise will be at 7:31 am and sunset at 6:32 pm; the daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 64°C.
Coldest period: Sunday - Tuesday 57°C.

Chance of precipitation

Highest chance: Saturday 53%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 61°F
  • 45°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 12mphNNW 334°
  • Humidity: 89%
  • UV index: 4
  • Sunrise: 7:31 am PDT
  • Sunset: 6:32 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 61°F
  • 46°F
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 8mphWNW 303°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:32 am PDT
  • Sunset: 6:31 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphWSW 250°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:33 am PDT
  • Sunset: 6:30 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 50°F
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphWSW 241°
  • Humidity: 77%
  • UV index: 3
  • Sunrise: 7:34 am PDT
  • Sunset: 6:28 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 59°F
  • 46°F
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 15mphNNW 348°
  • Humidity: 92%
  • UV index: 3
  • Sunrise: 7:35 am PDT
  • Sunset: 6:27 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 17mphN 353°
  • Humidity: 84%
  • UV index: 4
  • Sunrise: 7:37 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 46°F
PM Showers
PM Showers
  • Precip. probability: 53%
  • Precipitation: 0.24"
  • Wind: 12mphNNW 332°
  • Humidity: 80%
  • UV index: 4
  • Sunrise: 7:38 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 45°F
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0.12"
  • Wind: 11mphWSW 248°
  • Humidity: 84%
  • UV index: 3
  • Sunrise: 7:39 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphN 351°
  • Humidity: 82%
  • UV index: 3
  • Sunrise: 7:40 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 57°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphNNW 341°
  • Humidity: 82%
  • UV index: 3
  • Sunrise: 7:41 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
Primarily cloud-filled and occasionally rain-filled and mostly clear weather is anticipated.
Rain is predicted for Saturday and next Sunday.
In the upcoming period, the highest temperature will range between 57.2°F and 64.4°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 44.6°F and 50°F.
Expect the warmest day on Tuesday, with temperatures peaking at 64.4°F; the coldest days will be next Sunday through next Tuesday, with a maximum of 57.2°F.
Updated: Oct 18, 2026 @ 13:09:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Petrolia, cloudy conditions in the morning will give way to a clearer and sunnier afternoon.

Today, the maximum temperature in Petrolia will be 60.8°F, while the minimum temperature will be 44.6°F.
Today, the highest temperature will be a few degrees lower than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Petrolia, sunrise will be at 7:31 am and sunset at 6:32 pm (PDT).

Today, the daylight will last for 11h and 1min.