Weather forecast for 10 daysEtiwanda, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 86°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 187°
  • Humidity: 26%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
On Sunday, October 18, expect consistent sunshine and open skies.
Temperature span will be from a high of a blazing 86°F to a low of a comfortable 62.6°F.
Tomorrow, the forecasted high will be higher and much closer to September's average high of 88.3°F than October's 79.2°F.
Sunrise will be at 6:57 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: tomorrow 86°C.
Coldest day: Thursday 64°C.

Chance of precipitation

Highest chance: Thursday 81%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 4mphNW 326°
  • Humidity: 33%
  • UV index: 0
  • Sunrise: 6:57 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 86°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 187°
  • Humidity: 26%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSW 218°
  • Humidity: 32%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 81°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSSW 204°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 57°F
PM Showers
PM Showers
  • Precip. probability: 49%
  • Precipitation: 0.39"
  • Wind: 11mphSSW 192°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 64°F
  • 54°F
Thunderstorms
Thunderstorms
  • Precip. probability: 81%
  • Precipitation: 0.31"
  • Wind: 9mphSW 217°
  • Humidity: 77%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphSW 216°
  • Humidity: 68%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphNNW 337°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphW 275°
  • Humidity: 46%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphSSW 205°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:04 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
And a mix of sun-filled, dull, rainy and unstable weather is expected.
Rain is predicted for Wednesday and Thursday.
The temperature will vary considerably in the upcoming period. The temperature is expected to swing from 64.4°F up to 86°F, while the minimum temperature is forecast to range between 53.6°F and 64.4°F.
Sunday is expected to be the hottest, reaching up to 86°F; expect the coldest day on Thursday with a high of 64.4°F.
Updated: Oct 18, 2026 @ 01:34:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, the weather remains calm, bright, and sunny.

Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also relatively higher than the average low temperature.

On Sunday, in Etiwanda, sunrise will be at 6:57 am and sunset at 6:12 pm (PDT).

In Etiwanda, tomorrow, there will be 11h and 14min of daylight.