Weather Tomorrow for ZIP 91001
Altadena, CA · More forecasts in California
Extreme Heat WarningUntil Oct 8, 8:00 PM PDT
Extreme Heat Warning issued October 8 at 4:57AM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Friday, October 9, 2026
High 91°FLow 71°F
Clear
- Rain chance
- 2%
- Wind
- 5 mph
- Humidity
- 53%
- Feels like
- 71–89°F
Data source: National Weather Service (NOAA) · Forecast issued
Precipitation Timeline
No significant precipitation expected tomorrow.
Tomorrow by Hour
Local time. Rows with a 40% or higher chance of rain are shaded blue.
| Time | Sky | Temp | Rain | Wind (mph) |
|---|---|---|---|---|
| 12 AM | , Mostly Clear | 75°F | 0% | 5 E |
| 1 AM | , Mostly Clear | 75°F | 0% | 5 E |
| 2 AM | , Mostly Clear | 75°F | 0% | 5 E |
| 3 AM | , Mostly Clear | 74°F | 0% | 5 E |
| 4 AM | , Mostly Clear | 72°F | 0% | 5 E |
| 5 AM | , Mostly Clear | 74°F | 1% | 5 ESE |
| 6 AM | , Sunny | 72°F | 1% | 5 ESE |
| 7 AM | , Sunny | 71°F | 1% | 5 ESE |
| 8 AM | , Sunny | 74°F | 1% | 5 ESE |
| 9 AM | , Sunny | 78°F | 1% | 5 ESE |
| 10 AM | , Sunny | 81°F | 1% | 5 ESE |
| 11 AM | , Sunny | 84°F | 1% | 5 SSW |
| 12 PM | , Sunny | 87°F | 1% | 5 SSW |
| 1 PM | , Sunny | 90°F | 1% | 5 SSW |
| 2 PM | , Sunny | 91°F | 1% | 5 SSW |
| 3 PM | , Sunny | 90°F | 1% | 5 SSW |
| 4 PM | , Sunny | 88°F | 1% | 5 SSW |
| 5 PM | , Sunny | 87°F | 0% | 5 SSW |
| 6 PM | , Mostly Clear | 80°F | 0% | 5 SSW |
| 7 PM | , Mostly Clear | 75°F | 0% | 5 SSW |
| 8 PM | , Mostly Clear | 75°F | 0% | 5 S |
| 9 PM | , Mostly Clear | 74°F | 0% | 5 S |
| 10 PM | , Mostly Clear | 74°F | 0% | 5 S |
| 11 PM | , Patchy Fog | 73°F | 2% | 5 ESE |
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- Light t-shirt or tank top
- Shorts or light skirt
- Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- Sunglasses
- Sunscreen
Conditions
- High
- 91°F
- Low
- 71°F
- Wind
- 5 mph
- Rain
- 2%
Enjoy your day!
Best Time to Be Outside Tomorrow
6 AM – 8 AM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
98out of 100
Nearby places
Other ZIP codes nearby
Questions about tomorrow in Altadena
What are tomorrow's high and low in Altadena, CA?
Altadena is forecast to reach 91°F tomorrow, Friday, October 9, with a low of 71°F. The hourly forecast calls for clear skies more often than anything else.
Will it rain tomorrow in Altadena, CA?
No. The chance of precipitation is 2% or less in every hour tomorrow.
How windy will it be tomorrow in Altadena, CA?
Winds of 5 mph are forecast. They are strongest around midnight, at up to 5 mph from the E.