Altadena — Weather

Live · Clear within 100 km Just updated

26°C 79°F · Clear · 0% cloud cover

Feels like 26°C78°F · Low 20°C67°F · High 26°C79°F

Wind

6 km/h4 mph from SW

Humidity

46%

Pressure

1013 hPa29.90 inHg stable

UV Index

0.0 Low

Fair weather

It's 26°C and clear skies in Altadena at the moment.

Hourly forecast

Detailed forecast for the next 60 hours

Temperature Precipitation Wind

Now

26°C 79°F

6 4

46

19:00

24°C 75°F

4 3

51

20:00

22°C 71°F

5 3

59

21:00

20°C 68°F

7 4

61

22:00

20°C 67°F

7 4

59

23:00

20°C 68°F

7 4

59

00:00

19°C 67°F

7 4

56

01:00

19°C 66°F

7 4

54

02:00

19°C 65°F

7 4

54

03:00

18°C 65°F

7 4

56

04:00

18°C 65°F

7 4

59

05:00

18°C 64°F

6 4

62

06:00

18°C 64°F

6 4

64

07:00

19°C 67°F

6 3

61

08:00

22°C 71°F

3 2

57

09:00

23°C 73°F

4 2

54

10:00

24°C 75°F

6 4

52

11:00

26°C 78°F

7 5

49

12:00

27°C 81°F

9 6

45

13:00

28°C 83°F

10 6

44

14:00

29°C 85°F

11 7

42

15:00

29°C 85°F

11 7

40

16:00

29°C 84°F

11 7

39

17:00

28°C 82°F

9 6

41

18:00

26°C 78°F

7 5

46

19:00

24°C 75°F

5 3

51

20:00

22°C 71°F

5 3

62

21:00

20°C 69°F

6 3

69

22:00

20°C 67°F

7 4

61

23:00

20°C 67°F

7 5

54

00:00

19°C 66°F

7 4

54

03:00

18°C 64°F

6 4

57

06:00

18°C 64°F

6 4

59

09:00

23°C 73°F

4 3

51

12:00

28°C 82°F

9 6

41

15:00

29°C 84°F

12 7

40

18:00

25°C 77°F

8 5

48

21:00

20°C 68°F

5 3

70

00:00

18°C 65°F

6 3

61

03:00

18°C 64°F

5 3

62

06:00

18°C 64°F

5 3

58

mmin km/hmph Humidity %

Daily Forecast

Today

Jun 3 · Clear

E 7 km/h 4 mph (2616) 56%

20°C 67°F

26°C 79°F

Today

Jun 3

Clear

56%

E 7 km/h 4 mph

20°C 67°F

26°C 79°F

Tomorrow

Jun 4 · Clear

SE 11 km/h 7 mph (3522) 53% UV 5

18°C 64°F

29°C 85°F

Tomorrow

Jun 4

Clear

53%

SE 11 km/h 7 mph

18°C 64°F

29°C 85°F

Friday

Jun 5 · Overcast

SE 12 km/h 8 mph (3421) 53% UV 4

17°C 63°F

30°C 85°F

Friday

Jun 5

Overcast

53%

SE 12 km/h 8 mph

17°C 63°F

30°C 85°F

Saturday

Jun 6 · Overcast

S 13 km/h 8 mph (3421) 58% UV 4

17°C 62°F

26°C 79°F

Saturday

Jun 6

Overcast

58%

S 13 km/h 8 mph

17°C 62°F

26°C 79°F

Sunday

Jun 7 · Clear

S 17 km/h 11 mph (3018) 54% UV 4

15°C 60°F

27°C 80°F

Sunday

Jun 7

Clear

54%

S 17 km/h 11 mph

15°C 60°F

27°C 80°F

Monday

Jun 8 · Overcast

SE 12 km/h 8 mph (3824) 56% UV 4

15°C 59°F

24°C 75°F

Monday

Jun 8

Overcast

56%

SE 12 km/h 8 mph

15°C 59°F

24°C 75°F

Tuesday

Jun 9 · Partly cloudy

S 11 km/h 7 mph (3320) 71% UV 3

14°C 57°F

23°C 74°F

Tuesday

Jun 9

Partly cloudy

71%

S 11 km/h 7 mph

14°C 57°F

23°C 74°F

Wednesday

Jun 10 · Partly cloudy

S 11 km/h 7 mph (3019) 60% UV 3

15°C 59°F

26°C 79°F

Wednesday

Jun 10

Partly cloudy

60%

S 11 km/h 7 mph

15°C 59°F

26°C 79°F

Extended Forecast (GFS)

Thursday

Jun 11 · Clear

S 16 km/h 10 mph 59%

15°C 59°F

27°C 80°F

Thursday

Jun 11

Clear

59%

S 16 km/h 10 mph

15°C 59°F

27°C 80°F

Friday

Jun 12 · Clear

S 16 km/h 10 mph 46%

16°C 62°F

29°C 84°F

Friday

Jun 12

Clear

46%

S 16 km/h 10 mph

16°C 62°F

29°C 84°F

Saturday

Jun 13 · Clear

S 17 km/h 10 mph 42%

18°C 65°F

31°C 87°F

Saturday

Jun 13

Clear

42%

S 17 km/h 10 mph

18°C 65°F

31°C 87°F

Sunday

Jun 14 · Clear

S 17 km/h 10 mph 38%

20°C 68°F

32°C 90°F

Sunday

Jun 14

Clear

38%

S 17 km/h 10 mph

20°C 68°F

32°C 90°F

Monday

Jun 15 · Clear

S 16 km/h 10 mph 38%

21°C 69°F

32°C 90°F

Monday

Jun 15

Clear

38%

S 16 km/h 10 mph

21°C 69°F

32°C 90°F

Tuesday

Jun 16 · Clear

S 16 km/h 10 mph 45%

18°C 65°F

30°C 86°F

Tuesday

Jun 16

Clear

45%

S 16 km/h 10 mph

18°C 65°F

30°C 86°F

Wednesday

Jun 17 · Clear

S 18 km/h 11 mph 65%

15°C 59°F

24°C 75°F

Wednesday

Jun 17

Clear

65%

S 18 km/h 11 mph

15°C 59°F

24°C 75°F

Thursday

Jun 18 · Clear

S 18 km/h 11 mph 56%

14°C 58°F

23°C 73°F

Thursday

Jun 18

Clear

56%

S 18 km/h 11 mph

14°C 58°F

23°C 73°F

Today vs. seasonal normal

-0.1°C-0.1°F

High 26.0°C79°F · Low 12.2°C54°F · Normal for this month

Altadena is located in California, United States. Elevation: 414m. Annual average temperature: 15°C. Annual precipitation: 522mm.

Clouds Last updated 08:00 PM

0% 100%

Precipitation Last updated 08:00 PM

0 10+ mm/h

Temperature Last updated 08:00 PM

−20° 40°

Frequently Asked Questions

What is the weather like in Altadena today?

Today in Altadena, United States, the temperature is 26°C with Clear. The high is 26°C and the low is 20°C.

What is the 16-day forecast for Altadena?

The 16-day forecast for Altadena shows the warmest day is Monday at 32°C, while the coolest night is Tuesday at 14°C. 0 day(s) have precipitation expected.

What time is sunrise and sunset in Altadena?

In Altadena, sunrise is at 02:41 PM and sunset is at 05:00 AM. Day length is approximately 14h 19m.

How accurate is the weather forecast for Altadena?

Our forecasts for Altadena use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Altadena has an annual average temperature of 15°C and receives 522mm of precipitation per year.

Last updated: 06/03/2026, 06:00 PM