Weather forecast for tomorrowSimi Valley, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 88°F
- 59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNW 334°
- Humidity: 28%
- UV index: 6
- Sunrise: 7:03 am PDT
- Sunset: 6:17 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, clear skies and sunshine are also anticipated.
Temperatures will show considerable variation, extending from a high of a blazing 87.8°F to a low of a moderate 59°F.
Tomorrow, the maximum temperature of 87.8°F will resemble September's climate more than October's.
Sunrise will be at 7:03 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 14min.
Temperatures will show considerable variation, extending from a high of a blazing 87.8°F to a low of a moderate 59°F.
Tomorrow, the maximum temperature of 87.8°F will resemble September's climate more than October's.
Sunrise will be at 7:03 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 14min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 84°C.
Coldest hour: 6 am 63°C.
Coldest hour: 6 am 63°C.
Chance of precipitation
Highest chance: 9 pm 3%.
Hourly weather forecast
- 12 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 31°
- Humidity: 45%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 24°
- Humidity: 44%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 64°F
- Feels like:64°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNE 42°
- Humidity: 43%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 63°F
- Feels like:63°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 47°
- Humidity: 43%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:03 am
- 8 am
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNE 55°
- Humidity: 40%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 65°
- Humidity: 26%
- 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: 6mphE 80°
- Humidity: 20%
- 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: 8mphWSW 254°
- Humidity: 20%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 254°
- Humidity: 27%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWSW 256°
- Humidity: 37%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 8 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphW 264°
- Humidity: 53%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNE 37°
- Humidity: 55%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and mostly clear weather is expected.
The temperature will be between a minimum of 62.6°F and a maximum of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The maximum temperature tomorrow will be more in line with September's average high of 79.7°F than October's typical of 74.1°F. Tomorrow, the temperature will drop to a level comparable to October's average minimum of 57.6°F.
The temperature will be between a minimum of 62.6°F and a maximum of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The maximum temperature tomorrow will be more in line with September's average high of 79.7°F than October's typical of 74.1°F. Tomorrow, the temperature will drop to a level comparable to October's average minimum of 57.6°F.
Updated: Oct 17, 2026 @ 14:36:02 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.
Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 59°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 74.1°F in October. The lowest temperature will be in line with the average low of 57.6°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 74.1°F in October. The lowest temperature will be in line with the average low of 57.6°F.
On Sunday, in Simi Valley, sunrise will be at 7:03 am and sunset at 6:17 pm (PDT).
In Simi Valley, tomorrow, there will be 11h and 14min of daylight.
