Weather forecast for todayAltadena, CA
Weather forecast for today
Current condition 6:34 am PDT
- 73°F
- Feels like:73°F
Clear
- Precipitation: 0"
- Wind: 4mphN 0°
- Humidity: 30%
- Dewpoint: 39°F
- Pressure: 30.01"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Currently, in Altadena, a bright and clear sky dominates the horizon.
The temperature is a temperate 73.4°F. The current temperature is relatively far from today's maximum-anticipated 86°F.
The temperature is a temperate 73.4°F. The current temperature is relatively far from today's maximum-anticipated 86°F.
Saturday Oct 17, 2026
- 86°F
- 63°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 153°
- Humidity: 24%
- UV index: 5
- Sunrise: 6:59 am PDT
- Sunset: 6:15 pm PDT
- details ▼
Today, in Altadena, the sky will be mainly overcast.
Temperature fluctuations between a humid 86°F and an enjoyable 62.6°F are expected.
With a forecast of 86°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 6:59 am and sunset at 6:15 pm; the daylight will last for 11h and 16min.
Temperature fluctuations between a humid 86°F and an enjoyable 62.6°F are expected.
With a forecast of 86°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 6:59 am and sunset at 6:15 pm; the daylight will last for 11h and 16min.
Hourly overview
Hourly temperatures
Warmest period: 1 pm - 3 pm 84°C.
Coldest hour: 11 pm 70°C.
Coldest hour: 11 pm 70°C.
Chance of precipitation
Highest chance: 7 am 5%.
Hourly weather forecast
- 7 am
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNNE 31°
- Humidity: 30%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 8 am
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 30°
- Humidity: 30%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 am
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNE 53°
- Humidity: 26%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 79°F
- Feels like:79°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 86°
- Humidity: 24%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 82°F
- Feels like:82°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 138°
- Humidity: 22%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSE 160°
- Humidity: 20%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 1 pm
- 84°F
- Feels like:84°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 174°
- Humidity: 20%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 84°F
- Feels like:84°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 180°
- Humidity: 19%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 3 pm
- 84°F
- Feels like:84°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 184°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 84°F
- Feels like:84°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSW 198°
- Humidity: 19%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 82°F
- Feels like:82°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 20%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 81°F
- Feels like:81°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 215°
- Humidity: 24%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:15 pm
- 7 pm
- 77°F
- Feels like:77°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 207°
- Humidity: 28%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 75°F
- Feels like:75°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 260°
- Humidity: 31%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 72°F
- Feels like:72°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 340°
- Humidity: 34%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 26°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 39°
- Humidity: 37%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, primarily cloudy and occasionally dry and sunny weather is forecasted.
The temperature will be between a maximum of 84.2°F and a minimum of 69.8°F. The hottest part of the day will be from 1 pm to 4 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. The lowest temperature is expected to be relatively higher than the average minimum in October, typically 57.9°F.
The temperature will be between a maximum of 84.2°F and a minimum of 69.8°F. The hottest part of the day will be from 1 pm to 4 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. The lowest temperature is expected to be relatively higher than the average minimum in October, typically 57.9°F.
Updated: Oct 17, 2026 @ 13:34:26 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
The current temperature (6:34 am PDT) is 73.4°F.
On Saturday, the sky is expected to stay overcast for much of the day.
Today, the highest temperature in Altadena will be 86°F, while the lowest temperature will be 62.6°F.
Today, the highest temperature will be notably higher than the average maximum of 76.8°F in October. The lowest temperature today will be moderately higher than the average low temperature.
Today, the highest temperature will be notably higher than the average maximum of 76.8°F in October. The lowest temperature today will be moderately higher than the average low temperature.
On Saturday, in Altadena, sunrise will be at 6:59 am and sunset at 6:15 pm (PDT).
Today, the daylight will last for 11h and 16min.
Altadena, California, USA
- en: Altadena, California, USA
- es: Altadena, California, EE.UU.
- hr: Altadina, Kalifornija, SAD
- mk: Altadina, Kalifornija, SAD
- sr: Altadina, Kalifornija, SAD
- zh: 阿尔塔迪纳, 加利福尼亚州, 美国
- Latitude: 34.190162°
- Longitude: -118.131319°
- Elevation: 1368 ft
- Current time: 6:43am PDT
- Sunrise: 6:59 am PDT
- Sunset: 6:15 pm PDT
- Timezone: America/Los_Angeles
Nearby Altadena, California, USA
- Pasadena (3 mi)
- La Cañada Flintridge (4 mi)
- Mount Wilson (4 mi)
- East Pasadena (5 mi)
- Sierra Madre (5 mi)
- San Marino (5 mi)
- South Pasadena (5 mi)
- Montrose (6 mi)
- East San Gabriel (6 mi)
- Verdugo City (6 mi)
- Arcadia (6 mi)
- La Crescenta-Montrose (6 mi)
- Alhambra (7 mi)
- San Gabriel (7 mi)
- Temple City (7 mi)
- Glendale (8 mi)
- Monrovia (8 mi)
- Rosemead (8 mi)
- North El Monte (9 mi)
- Mayflower Village (9 mi)
- Monterey Park (9 mi)
- Hidden Springs (9 mi)
- Singing Springs (9 mi)
- Duarte (9 mi)
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