Weather forecast for 10 daysSan Dimas, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 88°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 213°
- Humidity: 24%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:13 pm PDT
- details ▼
Today, on Sunday, October 18, sunshine and minimal clouds are in the outlook.
The temperature is forecasted to vary between a humid 87.8°F and an enjoyable 64.4°F.
Today, expect conditions that are hotter than normal, with a temperature that reflects September's typical maximum of 86.7°F.
Sunrise will be at 6:59 am and sunset at 6:13 pm; the daylight will last for 11h and 14min.
The temperature is forecasted to vary between a humid 87.8°F and an enjoyable 64.4°F.
Today, expect conditions that are hotter than normal, with a temperature that reflects September's typical maximum of 86.7°F.
Sunrise will be at 6:59 am and sunset at 6:13 pm; the daylight will last for 11h and 14min.
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: Wednesday 71%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 88°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 213°
- Humidity: 24%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 84°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 213°
- Humidity: 31%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 61°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 192°
- Humidity: 46%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 59°F
Rain
- Precip. probability: 71%
- Precipitation: 0"
- Wind: 9mphS 185°
- Humidity: 61%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 55°F
Rain / Thunder
- Precip. probability: 59%
- Precipitation: 0.51"
- Wind: 7mphSW 220°
- Humidity: 72%
- UV index: 4
- Sunrise: 7:02 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 57°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0.28"
- Wind: 7mphSW 231°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 59°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphW 262°
- Humidity: 40%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSW 221°
- Humidity: 43%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 55°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 8mphSSW 213°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 55°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSW 216°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:06 am PDT
- Sunset: 6:03 pm PDT
- details ▼
Weather fluctuations are likely over the next ten days, and a mix of dry and sunny, dull, rain-soaked and storm-filled weather is predicted.
With a 59% probability, rainfall is expected only on Thursday. The precipitation will be moderate at 0.51".
The temperature will vary considerably throughout the forecast window. Maximum temperatures are forecasted between 68°F and 87.8°F, while the low temperature range extends from 55.4°F to 64.4°F.
With a high of 87.8°F, today is the hottest day; with the highest temperature of 68°F, Thursday will be the coldest day.
With a 59% probability, rainfall is expected only on Thursday. The precipitation will be moderate at 0.51".
The temperature will vary considerably throughout the forecast window. Maximum temperatures are forecasted between 68°F and 87.8°F, while the low temperature range extends from 55.4°F to 64.4°F.
With a high of 87.8°F, today is the hottest day; with the highest temperature of 68°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 07:22:09 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, sun-filled conditions are expected to persist.
Today, the maximum temperature in San Dimas will be 87.8°F, while the minimum temperature will be 64.4°F.
Today, the maximum temperature will be significantly higher than the average highest temperature of 78.3°F in October. The lowest temperature today will be relatively higher than the average low temperature.
Today, the maximum temperature will be significantly higher than the average highest temperature of 78.3°F in October. The lowest temperature today will be relatively higher than the average low temperature.
On Sunday, in San Dimas, sunrise will be at 6:59 am and sunset at 6:13 pm (PDT).
Today, the daylight will last for 11h and 14min.
