Home /United States /Altadena Weather
Altadena weather
Current conditions and a 14-day forecast for Altadena, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
29°C
Clear sky · feels 30°C
Humidity
47%
relative humidity
Wind
5 km/h
10m wind speed
Chance of rain
0%
today
Next 24 hours in Altadena
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 9am | Clear sky | 29°C | 0% |
| 10am | Clear sky | 31°C | 0% |
| 11am | Clear sky | 32°C | 0% |
| 12pm | Clear sky | 33°C | 0% |
| 1pm | Overcast | 34°C | 0% |
| 2pm | Clear sky | 35°C | 0% |
| 3pm | Clear sky | 35°C | 0% |
| 4pm | Clear sky | 35°C | 0% |
| 5pm | Clear sky | 35°C | 0% |
| 6pm | Clear sky | 34°C | 0% |
| 7pm | Clear sky | 33°C | 0% |
| 8pm | Clear sky | 31°C | 0% |
| 9pm | Mainly clear | 30°C | 0% |
| 10pm | Overcast | 29°C | 0% |
| 11pm | Clear sky | 29°C | 0% |
| 12am | Overcast | 28°C | 0% |
| 1am | Overcast | 26°C | 0% |
| 2am | Overcast | 27°C | 0% |
| 3am | Overcast | 25°C | 0% |
| 4am | Overcast | 25°C | 0% |
| 5am | Partly cloudy | 25°C | 0% |
| 6am | Overcast | 24°C | 0% |
| 7am | Clear sky | 25°C | 0% |
| 8am | Mainly clear | 28°C | 0% |
14-day forecast for Altadena
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 35° / 25° | 0% |
| Thu, Jul 16 | Overcast | 31° / 22° | 1% |
| Fri, Jul 17 | Partly cloudy | 29° / 18° | 1% |
| Sat, Jul 18 | Overcast | 28° / 17° | 1% |
| Sun, Jul 19 | Overcast | 30° / 18° | 0% |
| Mon, Jul 20 | Clear sky | 31° / 18° | 2% |
| Tue, Jul 21 | Mainly clear | 35° / 20° | 1% |
| Wed, Jul 22 | Mainly clear | 35° / 24° | 4% |
| Thu, Jul 23 | Overcast | 27° / 21° | 6% |
| Fri, Jul 24 | Overcast | 33° / 19° | 3% |
| Sat, Jul 25 | Overcast | 34° / 23° | 6% |
| Sun, Jul 26 | Overcast | 35° / 23° | 14% |
| Mon, Jul 27 | Clear sky | 35° / 24° | 0% |
| Tue, Jul 28 | Clear sky | 33° / 22° | 0% |
Want more sun and moon detail for Altadena? Use the sun calculator or moon calculator and search for Altadena. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in Altadena today?
Current conditions and today's forecast for Altadena, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is Altadena's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Altadena's climate page rather than this live forecast.