Weather forecast for 10 daysWestmont, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 86°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWSW 242°
- Humidity: 32%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:15 pm PDT
- details ▼
On Sunday, in Westmont, sunshine will likely continue with scattered clouds at most.
Temperature span will be from a high of a hot 86°F to a low of a breezy 62.6°F.
Today, the temperature forecast of 86°F will better match September's climate average than that of October.
Sunrise will be at 7:00 am and sunset at 6:15 pm; the daylight will last for 11h and 15min.
Temperature span will be from a high of a hot 86°F to a low of a breezy 62.6°F.
Today, the temperature forecast of 86°F will better match September's climate average than that of October.
Sunrise will be at 7:00 am and sunset at 6:15 pm; the daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: today 86°C.
Coldest day: Thursday 70°C.
Coldest day: Thursday 70°C.
Chance of precipitation
Highest chance: Wednesday 83%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 86°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWSW 242°
- Humidity: 32%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 82°F
- 64°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 196°
- Humidity: 53%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 63°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphS 189°
- Humidity: 62%
- UV index: 6
- Sunrise: 7:02 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 61°F
Thunderstorms
- Precip. probability: 83%
- Precipitation: 0"
- Wind: 9mphSSE 161°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:03 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 57°F
Scattered Thunderstorms
- Precip. probability: 58%
- Precipitation: 0.59"
- Wind: 7mphSW 229°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 59°F
Sunny
- Precip. probability: 4%
- Precipitation: 0.12"
- Wind: 7mphWSW 257°
- Humidity: 59%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 59°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNW 306°
- Humidity: 45%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 59°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSW 230°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:06 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 59°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 7mphSW 219°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 59°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphSSW 200°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:08 am PDT
- Sunset: 6:05 pm PDT
- details ▼
Models point to a combination of sunny, gloomy and unstable weather is predicted.
With a probability of 58%, rainfall is forecasted only for Thursday. Expected precipitation will be moderate at 0.59".
Significant changes in temperature are expected in the upcoming period. Forecast highs will fluctuate between 69.8°F and 86°F, while nighttime temperatures are expected to vary from 57.2°F to 64.4°F.
The hottest day is today, with a maximum temperature of 86°F; with the highest temperature of 69.8°F, Thursday will be the coldest day.
With a probability of 58%, rainfall is forecasted only for Thursday. Expected precipitation will be moderate at 0.59".
Significant changes in temperature are expected in the upcoming period. Forecast highs will fluctuate between 69.8°F and 86°F, while nighttime temperatures are expected to vary from 57.2°F to 64.4°F.
The hottest day is today, with a maximum temperature of 86°F; with the highest temperature of 69.8°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 08:19:39 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 Westmont, sunshine and minimal clouds are in the outlook.
Today, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F.
The maximum temperature today will be noticeably higher than the average highest temperature of 75.7°F in October. Today, the lowest temperature will be in line with the average low temperature.
The maximum temperature today will be noticeably higher than the average highest temperature of 75.7°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Westmont, sunrise will be at 7:00 am and sunset at 6:15 pm (PDT).
In Westmont, today, there will be 11h and 15min of daylight.
