Weather forecast for 10 daysRosemont, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 86°F
- 52°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSW 198°
- Humidity: 38%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Today, the outlook remains bright and sunny.
Daytime will experience a high of a tropical 86°F, significantly differing from the expected night low of a cool 51.8°F.
The hotter conditions bring a maximum of 86°F, more representative of September than October.
Sunrise will be at 7:17 am and sunset at 6:23 pm; the daylight will last for 11h and 5min.
Daytime will experience a high of a tropical 86°F, significantly differing from the expected night low of a cool 51.8°F.
The hotter conditions bring a maximum of 86°F, more representative of September than October.
Sunrise will be at 7:17 am and sunset at 6:23 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: today 86°C.
Minimum temperature: 68°C.
Minimum temperature: 68°C.
Chance of precipitation
Highest chance: Wednesday 35%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 86°F
- 52°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSW 198°
- Humidity: 38%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphSSW 201°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:18 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 55°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphWNW 287°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:19 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 55°F
AM Showers
- Precip. probability: 35%
- Precipitation: 0.08"
- Wind: 6mphW 278°
- Humidity: 64%
- UV index: 2
- Sunrise: 7:20 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 52°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 6mphSSW 205°
- Humidity: 74%
- UV index: 4
- Sunrise: 7:21 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphWNW 302°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 48°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSSW 212°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 6mphW 279°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 70°F
- 45°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 6mphSW 232°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:11 pm PDT
- details ▼
Models point to a combination of primarily gloomy and occasionally bright and rain-soaked weather is predicted.
Rain is expected on Wednesday and Thursday.
Noticeable swings in temperature are expected across the forecast period. Maximum temperatures are forecasted between 68°F and 86°F, while the minimum temperature is forecast to range between 44.6°F and 55.4°F.
With a high of 86°F, today is the hottest day; with a maximum temperature of 68°F, Wednesday, next Sunday and Monday will be the coldest days.
Rain is expected on Wednesday and Thursday.
Noticeable swings in temperature are expected across the forecast period. Maximum temperatures are forecasted between 68°F and 86°F, while the minimum temperature is forecast to range between 44.6°F and 55.4°F.
With a high of 86°F, today is the hottest day; with a maximum temperature of 68°F, Wednesday, next Sunday and Monday will be the coldest days.
Updated: Oct 18, 2026 @ 09:12:06 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, skies are expected to be clear and full of sunshine.
Today, the highest temperature will be 86°F, while the lowest temperature will be 51.8°F.
Today, the highest temperature will be significantly higher than the average maximum of 76.1°F in October. The lowest temperature today will be in line with the average low temperature.
Today, the highest temperature will be significantly higher than the average maximum of 76.1°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Rosemont, sunrise will be at 7:17 am and sunset at 6:23 pm (PDT).
Today, the daylight will last for 11h and 5min.
