Weather forecast for 10 daysIrwindale, CA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 90°F
  • 66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 151°
  • Humidity: 21%
  • UV index: 5
  • Sunrise: 6:58 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
Today, on Saturday, October 17, expect continuous cloudiness with subdued daylight.
The temperature is anticipated to vary between a maximum of a tropical 89.6°F and a minimum of a comfortable 66.2°F.
Expect a hotter feel as the forecasted high matches September's 85.3°F, rather than October's average of 78.3°F.
Sunrise was at 6:58 am and sunset will be at 6:15 pm; the daylight will last for 11h and 16min.

Sunday Oct 18, 2026

  • 88°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 196°
  • Humidity: 27%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, expect sunny weather with a crisp, clear sky.
Expected temperature values will span from a tropical 87.8°F down to a comfortable 62.6°F.
Temperatures are higher than average, more in line with September's norm of 85.3°F than with October's 78.3°F.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: today 90°C.
Coldest day: Thursday 66°C.

Chance of precipitation

Highest chance: Thursday 84%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 90°F
  • 66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 151°
  • Humidity: 21%
  • UV index: 5
  • Sunrise: 6:58 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 88°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 196°
  • Humidity: 27%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 196°
  • Humidity: 39%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 81°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphS 186°
  • Humidity: 50%
  • UV index: 6
  • Sunrise: 7:01 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 61°F
Rain
Rain
  • Precip. probability: 63%
  • Precipitation: 0.79"
  • Wind: 7mphS 182°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:02 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 55°F
Thunderstorms
Thunderstorms
  • Precip. probability: 84%
  • Precipitation: 0.31"
  • Wind: 6mphS 177°
  • Humidity: 77%
  • UV index: 4
  • Sunrise: 7:02 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 66%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 197°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:04 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0.04"
  • Wind: 6mphS 188°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:05 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphS 182°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:06 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
The weather will be unstable for the next ten days, and a mix of cloud-filled, bright, damp and turbulent weather is predicted.
Rainfall is forecasted for Wednesday, Thursday and next Sunday.
There will be a considerable variation in temperature over the next several days. The temperature is expected to swing from 66.2°F up to 89.6°F, while nighttime temperatures are expected to vary from 55.4°F to 66.2°F.
The hottest day is today, with a maximum temperature of 89.6°F; expect the coldest day on Thursday with a high of 66.2°F.
Updated: Oct 17, 2026 @ 16:11:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, mostly cloudy conditions are expected.

Today, the highest temperature will be 89.6°F, while the lowest temperature will be 66.2°F.
The highest temperature today will be uncommonly higher than the average maximum of 78.3°F in October. The lowest temperature will be slightly warmer than the average low of 58.5°F.

On Saturday, in Irwindale, sunrise was at 6:58 am and sunset will be at 6:15 pm (PDT).

In Irwindale, today, there will be 11h and 16min of daylight.

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

Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 62.6°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 78.3°F in October. The lowest temperature will be relatively higher than the average low of 58.5°F.

On Sunday, in Irwindale, sunrise will be at 6:59 am and sunset at 6:14 pm (PDT).

In Irwindale, the length of the day tomorrow will be 11h and 14min.