Weather forecast for todaySimi Valley, CA

Weather forecast for today

Current condition 5:33 am PDT

  • 81°F
  • Feels like:
    81°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 13mphNNE 30°
  • Humidity: 21%
  • Dewpoint: 37°F
  • Pressure: 30.01"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in Simi Valley, nothing but clear skies and excellent visibility.
The temperature is a warm 80.6°F. The current temperature is relatively far from the maximum of 91.4°F forecasted for today.

Saturday Oct 17, 2026

  • 91°F
  • 63°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 23mphNE 46°
  • Humidity: 18%
  • UV index: 6
  • Sunrise: 7:02 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
On Saturday, in Simi Valley, steady winds will continue despite sunny and clear skies.
Substantial temperature variations are anticipated, soaring to a maximum of a humid 91.4°F and descending to a minimum of a breezy 62.6°F.
Today, expect a hotter trend, with a high of 91.4°F more common in September.
Sunrise will be at 7:02 am and sunset at 6:18 pm; the daylight will last for 11h and 16min.

Hourly overview

Hourly temperatures

Warmest hour: 2 pm 90°C.
Coldest hour: 12 am 68°C.

Chance of precipitation

Highest chance: 6 am - 12 am 0%.

Hourly weather forecast

  • 6 am
  • 79°F
  • Feels like:
    79°F
Clear / Wind
Clear / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 20mphNE 35°
  • Humidity: 22%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:02 am
  • 8 am
  • 79°F
  • Feels like:
    79°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphNE 39°
  • Humidity: 22%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 82°F
  • Feels like:
    82°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 21mphNE 44°
  • Humidity: 19%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 88°F
  • Feels like:
    88°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 23mphNE 49°
  • Humidity: 16%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 90°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphENE 65°
  • Humidity: 15%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 88°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphNE 44°
  • Humidity: 15%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphENE 66°
  • Humidity: 20%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 8 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 317°
  • Humidity: 30%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 5°
  • Humidity: 36%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily gloomy and occasionally sun-filled weather is predicted.
The temperature will be between the highest temperature of 89.6°F and the lowest temperature of 68°F. The hottest part of the day will be from 1 pm to 3 pm.
Today, the peak temperature is expected to align more with September than with October's typical high. Today, the low will be relatively higher than the usual October value of 57.6°F.
Updated: Oct 17, 2026 @ 12:33:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 5:33 am PDT is 80.6°F.

On Saturday, a sunny outlook but with stronger winds is expected.

Today, the highest temperature will be 91.4°F, while the lowest temperature will be 62.6°F.
The highest temperature will be notably higher than the average maximum of 74.1°F in October. The lowest temperature will be slightly warmer than the average low of 57.6°F.

On Saturday, in Simi Valley, sunrise will be at 7:02 am and sunset at 6:18 pm (PDT).

In Simi Valley, California, today, there will be 11h and 16min of daylight.