Weather forecast for todayAltadena, CA

Weather forecast for today

Current condition 4:58 pm PDT

  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 7mphSW 220°
  • Humidity: 26%
  • Dewpoint: 43°F
  • Pressure: 29.92"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
Currently, the day is bathed in golden sunlight, with no clouds in sight.
The temperature is a temperate 80.6°F.

Sunday Oct 18, 2026

  • min.
  • 59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNNE 28°
  • Humidity: 35%
  • UV index: 0
  • Sunrise: 7:00 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
In Altadena, for the remainder of the afternoon, a cloudless sky and clear weather are expected.
The lowest temperature will be a mild 59°F.
Sunrise was at 7:00 am and sunset will be at 6:14 pm; the daylight will last for 11h and 14min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 81°C.
Coldest hour: 12 am 64°C.

Chance of precipitation

Highest chance: 5 pm - 12 am 0%.

Hourly weather forecast

  • 5 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 226°
  • Humidity: 26%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 245°
  • Humidity: 30%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 7 pm
  • 75°F
  • Feels like:
    75°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 291°
  • Humidity: 34%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNW 345°
  • Humidity: 36%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 13°
  • Humidity: 38%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNE 25°
  • Humidity: 39%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 39°
  • Humidity: 39%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphENE 57°
  • Humidity: 38%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 1 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 52°
  • Humidity: 38%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNE 48°
  • Humidity: 38%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between the highest temperature of 80.6°F and the lowest temperature of 68°F.
Updated: Oct 18, 2026 @ 23:58:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (4:58 pm PDT) it is 80.6°F in Altadena.

On Sunday, conditions will be clear and bright throughout the day.

On Sunday, in Altadena, sunrise was at 7:00 am and sunset will be at 6:14 pm (PDT).

In Altadena, today, there will be 11h and 14min of daylight.