Weather forecast for 10 daysRio Oso, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 88°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 178°
- Humidity: 26%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Today, in Rio Oso, sun-filled conditions are expected to persist.
Significant variations in temperature are anticipated, peaking at a humid 87.8°F and dropping to a low of a fresh 50°F.
Expect temperatures to match September's average maximum of 88.9°F rather than October's 76.1°F.
Sunrise was at 7:19 am and sunset will be at 6:23 pm; the daylight will last for 11h and 4min.
Significant variations in temperature are anticipated, peaking at a humid 87.8°F and dropping to a low of a fresh 50°F.
Expect temperatures to match September's average maximum of 88.9°F rather than October's 76.1°F.
Sunrise was at 7:19 am and sunset will be at 6:23 pm; the daylight will last for 11h and 4min.
10-day overview
Daily temperatures
Warmest day: today 88°C.
Coldest day: Thursday 68°C.
Coldest day: Thursday 68°C.
Chance of precipitation
Highest chance: Thursday 40%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 88°F
- 50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 178°
- Humidity: 26%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 73°F
- 48°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphS 169°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:20 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 54°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNNW 333°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:21 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 54°F
Mostly Cloudy
- Precip. probability: 23%
- Precipitation: 0.08"
- Wind: 6mphSW 235°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:22 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 50°F
AM Showers
- Precip. probability: 40%
- Precipitation: 0.04"
- Wind: 7mphS 178°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 45°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphNW 326°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 185°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSW 220°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 6mphSW 216°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 6mphSW 231°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:11 pm PDT
- details ▼
Models point to a combination of dry and sunny, gloomy and wet weather is expected.
Rain is forecasted for Wednesday and Thursday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 68°F and 87.8°F, while the minimum temperature is forecast to range between 42.8°F and 53.6°F.
The hottest day is today, with a maximum temperature of 87.8°F; with the highest temperature of 68°F, Thursday will be the coldest day.
Rain is forecasted for Wednesday and Thursday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 68°F and 87.8°F, while the minimum temperature is forecast to range between 42.8°F and 53.6°F.
The hottest day is today, with a maximum temperature of 87.8°F; with the highest temperature of 68°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 17:05:51 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 Sunday, in Rio Oso, sunshine is forecasted under mostly clear skies.
Today, the maximum temperature will be 87.8°F, while the minimum temperature will be 50°F.
The highest temperature today will be uncommonly higher than the average maximum of 76.1°F in October. The lowest temperature will be in line with the average low of 53.1°F.
The highest temperature today will be uncommonly higher than the average maximum of 76.1°F in October. The lowest temperature will be in line with the average low of 53.1°F.
On Sunday, in Rio Oso, sunrise was at 7:19 am and sunset will be at 6:23 pm (PDT).
Today, the daylight will last for 11h and 4min.
