Altadena Weather Today — California, United States
Current temperature, rain chance, humidity, wind and air quality in Altadena, plus an hourly and 3-day forecast. Updated through the day.
02:14
Sat, 19 Sep 2026
📍 California, United States
Altadena??
19
°C
Clear
Feels 19°C · 66°F
💧 65% Humidity
💨 → 3.6 km/h E
👁 10 km Visibility
🌧 0 mm Precip
☁ 0% Cloud
☀️ UV Low
🌿 AQI Fair
☀️ UV Index
0
Low
🔵 Pressure
1015
hPa · 29.96 in
💨 Wind
3.6
km/h · Gust 3.6 km/h
→ E
💧 Humidity
65%
Dew point 12.3°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
19°
Wind chill 19°C
🌿 Air Quality
Fair
US EPA Index: 2
🌅
Sunrise
06:38 AM
🌇
Sunset
06:54 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
26°
/
17°
💧51%
🌧0mm
💨13
☀️UV 8.4
Sunday
20 Sep 2026
Overcast
25°
/
17°
💧56%
🌧0mm
💨13
☀️UV 8.4
Monday
21 Sep 2026
Sunny
23°
/
15°
💧61%
🌧0.01mm
💨13
☀️UV 7.6
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