Weather forecast for tomorrowIrwindale, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 88°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 196°
- Humidity: 27%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
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.
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.
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
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 55°
- Humidity: 34%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 72°F
- Feels like:72°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 48°
- Humidity: 37%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 46°
- Humidity: 39%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 47°
- Humidity: 40%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:59 am
- 8 am
- 70°F
- Feels like:70°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 54°
- Humidity: 37%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSE 140°
- Humidity: 27%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 188°
- Humidity: 22%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 217°
- Humidity: 21%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 236°
- Humidity: 23%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphWSW 251°
- Humidity: 30%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 75°F
- Feels like:75°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWSW 253°
- Humidity: 43%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNNW 340°
- Humidity: 51%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
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.
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
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.
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.





