Weather in Altadena, United States 🇺🇸
Altadena currently sits at 17°C, clear, feeling like 15°C. The air is at 53% humidity and winds are about 8 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Altadena from about 13°C to 25°C.
Hourly Forecast for Altadena
14-Day Forecast for Altadena
Sunny
Sunny
Patchy rain nearby
Sunny
Sunny
Overcast
Sunny
Sunny
Overcast
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Sunny
Overcast
Additional Forecasts for Altadena
Air Quality
Historical Weather
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Best Time to Be Outside in Altadena Today
The most comfortable window in Altadena today looks like 08:00 to 11:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Altadena
What is the temperature in Altadena right now?
Altadena is sitting at 17°C (63°F) right now, clear (feels like 15°C).
What's the weather like in Altadena right now?
Current weather in Altadena: Clear, humidity 53%, wind 8 km/h E.
What is today's forecast for Altadena?
Today in Altadena: high 25°C, low 16°C, sunny. Chance of rain: 2%.
What is the 7-day weather forecast for Altadena?
Daily highs and lows for Altadena:
- 2026-10-20: 25°C / 16°C
- 2026-10-21: 21°C / 13°C
- 2026-10-22: 18°C / 13°C
- 2026-10-23: 22°C / 13°C
- 2026-10-24: 24°C / 13°C
- 2026-10-25: 26°C / 15°C
- 2026-10-26: 27°C / 16°C
Is it going to rain in Altadena today?
There is a 2% chance of rain in Altadena today.
What is the wind speed in Altadena right now?
Wind in Altadena is currently 8 km/h (5 mph) from the E.
What is the UV index in Altadena right now?
The UV index in Altadena is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
