Weather forecast for tomorrowAltadena, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 86°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSW 204°
- Humidity: 27%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Sunday, October 18, sunshine is also forecasted under mostly clear skies.
The expected temperature range extends from a high of a humid 86°F to a low of an enjoyable 62.6°F.
The day's peak of 86°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:00 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 14min.
The expected temperature range extends from a high of a humid 86°F to a low of an enjoyable 62.6°F.
The day's peak of 86°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:00 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 14min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 84°C.
Coldest hour: 6 am 64°C.
Coldest hour: 6 am 64°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 52°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 66°F
- Feels like:66°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 34°
- Humidity: 38%
- 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: 3mphNNE 11°
- Humidity: 38%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 11°
- Humidity: 39%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:00 am
- 8 am
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 13°
- Humidity: 36%
- 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: 2mphSSE 165°
- Humidity: 27%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 186°
- Humidity: 23%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 198°
- Humidity: 21%
- 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: 7mphSW 221°
- Humidity: 24%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 257°
- Humidity: 28%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 333°
- Humidity: 35%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 19°
- Humidity: 38%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of dry and sunny and cloudy weather is forecasted.
The temperature will vary between a minimum of 64.4°F and a maximum of 84.2°F. The hottest part of the day is anticipated around 3 pm.
The day’s peak temperature will reflect September's norm of 84.6°F more than October's 76.8°F. The lowest temperature tomorrow will be moderately higher than the standard minimum for October.
The temperature will vary between a minimum of 64.4°F and a maximum of 84.2°F. The hottest part of the day is anticipated around 3 pm.
The day’s peak temperature will reflect September's norm of 84.6°F more than October's 76.8°F. The lowest temperature tomorrow will be moderately higher than the standard minimum for October.
Updated: Oct 18, 2026 @ 00:48:49 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, clear skies and sunshine are anticipated.
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 76.8°F in October. The lowest temperature will be a couple of degrees higher than the average low of 57.9°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 76.8°F in October. The lowest temperature will be a couple of degrees higher than the average low of 57.9°F.
On Sunday, in Altadena, sunrise will be at 7:00 am and sunset at 6:14 pm (PDT).
In Altadena, the length of the day tomorrow will be 11h and 14min.
