Weather forecast for tomorrowIrwindale, CA

Weather forecast for tomorrow

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.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 86°C.
Coldest hour: 6 am 68°C.

Chance of precipitation

Highest chance: 9 pm 1%.

Hourly weather forecast

  • 12 am
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 55°
  • Humidity: 34%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 48°
  • Humidity: 37%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 68°F
  • Feels like:
    68°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 46°
  • Humidity: 39%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 68°F
  • Feels like:
    68°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 47°
  • Humidity: 40%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:59 am
  • 8 am
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 54°
  • Humidity: 37%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSE 140°
  • Humidity: 27%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 188°
  • Humidity: 22%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSW 217°
  • Humidity: 21%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 236°
  • Humidity: 23%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 251°
  • Humidity: 30%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 75°F
  • Feels like:
    75°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 253°
  • Humidity: 43%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNW 340°
  • Humidity: 51%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of cloudy and sunny weather is anticipated.
The temperature will vary between a minimum of 68°F and a maximum of 86°F. The hottest part of the day will be from 1 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 85.3°F more than October's 78.3°F. Forecasts indicate a night temperature moderately higher than the usual October minimum of 58.5°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 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.