Weather forecast for 10 daysClearlake Oaks, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 81°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphWSW 257°
- Humidity: 39%
- UV index: 5
- Sunrise: 7:23 am PDT
- Sunset: 6:27 pm PDT
- details ▼
On Sunday, October 18, sunny and dry conditions are anticipated.
The highest daytime temperature will touch a warm 80.6°F, creating a significant contrast with the forecasted nighttime low of a brisk 44.6°F.
Expect temperatures to match September's average maximum of 85.1°F rather than October's 73.8°F.
Sunrise will be at 7:23 am and sunset at 6:27 pm; the daylight will last for 11h and 4min.
The highest daytime temperature will touch a warm 80.6°F, creating a significant contrast with the forecasted nighttime low of a brisk 44.6°F.
Expect temperatures to match September's average maximum of 85.1°F rather than October's 73.8°F.
Sunrise will be at 7:23 am and sunset at 6:27 pm; the daylight will last for 11h and 4min.
10-day overview
Daily temperatures
Warmest day: today 81°C.
Coldest period: Sunday - Monday 66°C.
Coldest period: Sunday - Monday 66°C.
Chance of precipitation
Highest chance: Thursday 41%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 81°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphWSW 257°
- Humidity: 39%
- UV index: 5
- Sunrise: 7:23 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 45°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphWSW 256°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:26 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 50°F
Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphE 79°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:25 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 48°F
Few Showers
- Precip. probability: 34%
- Precipitation: 0.16"
- Wind: 5mphSW 222°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:26 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 45°F
AM Showers
- Precip. probability: 41%
- Precipitation: 0.08"
- Wind: 7mphWSW 250°
- Humidity: 74%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 5mphNE 47°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSW 228°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:29 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 8mphWSW 251°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:30 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 6mphSE 131°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:32 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 6mphSSE 158°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:33 am PDT
- Sunset: 6:15 pm PDT
- details ▼
For the next ten days, a combination of overcast, clear and showery weather is expected.
Rainfall is forecasted for Wednesday and Thursday.
There will be a considerable variation in temperature across the forecast period. Highs will range from 66.2°F to 80.6°F, while the low temperature range extends from 41°F to 50°F.
The warmest day is today, with a maximum temperature of 80.6°F; next Sunday and Monday, with the highest temperature of 66.2°F, will be the coldest days.
Rainfall is forecasted for Wednesday and Thursday.
There will be a considerable variation in temperature across the forecast period. Highs will range from 66.2°F to 80.6°F, while the low temperature range extends from 41°F to 50°F.
The warmest day is today, with a maximum temperature of 80.6°F; next Sunday and Monday, with the highest temperature of 66.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 11:11:15 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, the weather remains calm, bright, and sunny.
Today, the highest temperature will be 80.6°F, while the lowest temperature will be 44.6°F.
The highest temperature will be a couple of degrees higher than the average maximum of 73.8°F in October. The lowest temperature will be also a few degrees lower than the average low of 49.6°F.
The highest temperature will be a couple of degrees higher than the average maximum of 73.8°F in October. The lowest temperature will be also a few degrees lower than the average low of 49.6°F.
On Sunday, in Clearlake Oaks, sunrise will be at 7:23 am and sunset at 6:27 pm (PDT).
In Clearlake Oaks, the length of the day today will be 11h and 4min.





