Weather.st

Altadena Weather

21°
Clear sky
Altadena, California, United States
Feels like 18° · Local time 19:30

Hour by hour

No rain expected in the next 24 hours.

Now
21°
💧0%
8 PM
21°
💧0%
9 PM
21°
💧0%
10 PM
22°
💧0%
11 PM
22°
💧0%
12 AM
21°
💧0%
1 AM
20°
💧0%
2 AM
20°
💧0%
3 AM
20°
💧0%
4 AM
20°
💧0%
5 AM
20°
💧0%
6 AM
19°
💧0%
7 AM
20°
💧0%
8 AM
21°
💧0%
9 AM
24°
💧0%
10 AM
26°
💧0%
11 AM
28°
💧0%
12 PM
29°
💧0%
1 PM
29°
💧0%
2 PM
29°
💧0%
3 PM
29°
💧0%
4 PM
28°
💧0%
5 PM
24°
💧0%
6 PM
23°
💧0%

Rain radar

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Altadena 16-day weather forecast

Today
Clear sky · 💧0%
15°28°
Sunday, Nov 8
Clear sky · 💧0%
19°29°
Monday, Nov 9
Overcast · 💧0%
19°29°
Tuesday, Nov 10
Overcast · 💧0%
20°27°
Wednesday, Nov 11
Clear sky · 💧0%
20°27°
Thursday, Nov 12
Clear sky · 💧12%
20°27°
Friday, Nov 13
Overcast · 💧20%
20°27°
Saturday, Nov 14
Showers · 💧27%
16°22°
Sunday, Nov 15
Light drizzle · 💧52%
16°19°
Monday, Nov 16
Light drizzle · 💧52%
15°19°
Tuesday, Nov 17
Overcast · 💧28%
15°19°
Wednesday, Nov 18
Light drizzle · 💧15%
14°19°
Thursday, Nov 19
Overcast · 💧11%
13°19°
Friday, Nov 20
Overcast · 💧19%
14°21°
Saturday, Nov 21
Mainly clear · 💧17%
15°23°
Sunday, Nov 22
Clear sky · 💧19%
17°23°

Today's details

Feels like
18°
Humidity
22%
Dew point
-2°
Wind
4 km/h NW
Gusts
4 km/h
Pressure
1016 hPa · steady
UV index now
0 · max 5
Visibility
79 km
Sunrise / sunset
06:18 / 16:54
Moon
Waning Crescent · 6% lit
Hour-by-hour detail — next 48 hours
TimeTempRainAmountHumidityWind
Now21°0%0.0 mm23%5 km/h
8 PM21°0%0.0 mm21%1 km/h
9 PM21°0%0.0 mm18%3 km/h
10 PM22°0%0.0 mm17%9 km/h
11 PM22°0%0.0 mm17%11 km/h
12 AM 11-0821°0%0.0 mm19%5 km/h
1 AM 11-0820°0%0.0 mm19%2 km/h
2 AM 11-0820°0%0.0 mm20%3 km/h
3 AM 11-0820°0%0.0 mm20%3 km/h
4 AM 11-0820°0%0.0 mm20%3 km/h
5 AM 11-0820°0%0.0 mm19%2 km/h
6 AM 11-0819°0%0.0 mm17%1 km/h
7 AM 11-0820°0%0.0 mm18%4 km/h
8 AM 11-0821°0%0.0 mm19%2 km/h
9 AM 11-0824°0%0.0 mm18%3 km/h
10 AM 11-0826°0%0.0 mm16%5 km/h
11 AM 11-0828°0%0.0 mm13%7 km/h
12 PM 11-0829°0%0.0 mm13%8 km/h
1 PM 11-0829°0%0.0 mm13%7 km/h
2 PM 11-0829°0%0.0 mm13%6 km/h
3 PM 11-0829°0%0.0 mm13%5 km/h
4 PM 11-0828°0%0.0 mm14%5 km/h
5 PM 11-0824°0%0.0 mm19%9 km/h
6 PM 11-0823°0%0.0 mm16%9 km/h
7 PM 11-0823°0%0.0 mm16%12 km/h
8 PM 11-0824°0%0.0 mm14%7 km/h
9 PM 11-0822°0%0.0 mm18%7 km/h
10 PM 11-0822°0%0.0 mm22%14 km/h
11 PM 11-0822°0%0.0 mm22%13 km/h
12 AM 11-0922°0%0.0 mm23%13 km/h
1 AM 11-0921°0%0.0 mm23%10 km/h
2 AM 11-0921°0%0.0 mm24%1 km/h
3 AM 11-0921°0%0.0 mm24%4 km/h
4 AM 11-0921°0%0.0 mm24%3 km/h
5 AM 11-0920°0%0.0 mm24%1 km/h
6 AM 11-0920°0%0.0 mm25%1 km/h
7 AM 11-0919°0%0.0 mm27%1 km/h
8 AM 11-0921°0%0.0 mm25%1 km/h
9 AM 11-0924°0%0.0 mm22%3 km/h
10 AM 11-0927°0%0.0 mm19%7 km/h
11 AM 11-0928°0%0.0 mm18%12 km/h
12 PM 11-0929°0%0.0 mm17%10 km/h
1 PM 11-0929°0%0.0 mm16%8 km/h
2 PM 11-0929°0%0.0 mm15%8 km/h
3 PM 11-0928°0%0.0 mm16%8 km/h
4 PM 11-0927°0%0.0 mm18%10 km/h
5 PM 11-0925°0%0.0 mm20%6 km/h
6 PM 11-0924°0%0.0 mm21%2 km/h

Air quality in Altadena

46
US AQI — Good
PM2.5 10.2 µg/m³ · PM10 10.6 µg/m³ · O₃ 35 µg/m³

Frequently asked questions

What is the weather in Altadena today?

Clear sky, currently 21° (feels like 18°), with a high of 28° and a low of 15°. No rain expected in the next 24 hours.

What is the air quality in Altadena?

The air quality in Altadena is good (US AQI 46). PM2.5 is 10.2 µg/m³ and PM10 is 10.6 µg/m³.

Nearby cities

Pasadena · 5 kmLa Cañada Flintridge · 5 kmSouth Pasadena · 8 kmArcadia · 10 kmAlhambra · 11 kmSan Gabriel · 11 kmLa Crescenta-Montrose · 11 kmTemple City · 11 km