Altadena, CA Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Altadena, CA in one place.
A slight chance of rain showers after 5pm. Partly sunny, with a high near 65. South southeast wind 0 to 10 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Altadena, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 27, 2026 10:23 PM PDT.
The active forecast window currently covers May 28 to Jun 3, 2026 for Altadena, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 28 to Jun 3, 2026
- Latest sync
- May 27, 2026 10:23 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Altadena
Sunday looks like the warmest upcoming period in Altadena at 86 degrees F.
Thursday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph SSE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 10:23 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 5am. Mostly cloudy, with a low around 56. Southwest wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 73. Southwest wind 0 to 10 mph.
Clear, with a low around 58. Southwest wind 0 to 10 mph.
Sunny, with a high near 81.
Clear, with a low around 61.
Sunny, with a high near 86.
Mostly clear, with a low around 58.
Sunny, with a high near 85.
Mostly clear, with a low around 58.
Sunny, with a high near 85.
Mostly clear, with a low around 58.
Sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Partly Sunny then Slight Chance Rain Showers
|
65°F |
0 to 10 mph
SSE
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers
|
56°F |
0 to 10 mph
SW
|
|
Friday
May 29
|
Sunny
|
73°F |
0 to 10 mph
SW
|
|
Friday Night
May 29
|
Clear
|
58°F |
0 to 10 mph
SW
|
|
Saturday
May 30
|
Sunny
|
81°F |
0 to 5 mph
SSW
|
|
Saturday Night
May 30
|
Clear
|
61°F |
0 to 5 mph
SSE
|
|
Sunday
May 31
|
Sunny
|
86°F |
0 to 5 mph
SSW
|
|
Sunday Night
May 31
|
Mostly Clear
|
58°F |
0 to 5 mph
SSE
|
|
Monday
Jun 1
|
Sunny
|
85°F |
0 to 5 mph
S
|
|
Monday Night
Jun 1
|
Mostly Clear
|
58°F |
0 to 5 mph
S
|
|
Tuesday
Jun 2
|
Sunny
|
85°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
58°F |
0 to 5 mph
SSE
|
|
Wednesday
Jun 3
|
Sunny
|
86°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Altadena.
