Weather Tomorrow in Downey, CA
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 90°FLow 62°F
Clear
- Rain chance
- 1%
- Wind
- 0-10 mph
- Humidity
- 75%
- Feels like
- 62–89°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 | 68°F | 1% | 5 SW |
| 1 AM | , Mostly Clear | 66°F | 1% | 5 SW |
| 2 AM | , Mostly Clear | 64°F | 1% | 5 WSW |
| 3 AM | , Mostly Clear | 64°F | 1% | 5 WSW |
| 4 AM | , Mostly Clear | 62°F | 1% | 5 WSW |
| 5 AM | , Patchy Fog | 62°F | 1% | 5 WSW |
| 6 AM | , Patchy Fog | 62°F | 1% | 5 WSW |
| 7 AM | , Patchy Fog | 62°F | 1% | 5 WSW |
| 8 AM | , Patchy Fog | 62°F | 1% | 5 SW |
| 9 AM | , Patchy Fog | 66°F | 1% | 5 SW |
| 10 AM | , Patchy Fog | 71°F | 1% | 5 SW |
| 11 AM | , Sunny | 77°F | 1% | 5 WSW |
| 12 PM | , Sunny | 84°F | 1% | 5 WSW |
| 1 PM | , Sunny | 88°F | 1% | 5 WSW |
| 2 PM | , Sunny | 90°F | 1% | 10 WSW |
| 3 PM | , Sunny | 88°F | 1% | 10 WSW |
| 4 PM | , Sunny | 88°F | 1% | 10 WSW |
| 5 PM | , Sunny | 82°F | 0% | 10 WSW |
| 6 PM | , Mostly Clear | 74°F | 0% | 10 WSW |
| 7 PM | , Mostly Clear | 70°F | 0% | 10 WSW |
| 8 PM | , Mostly Clear | 68°F | 0% | 5 WSW |
| 9 PM | , Mostly Clear | 66°F | 0% | 5 WSW |
| 10 PM | , Mostly Clear | 66°F | 0% | 5 WSW |
| 11 PM | , Patchy Fog | 66°F | 1% | 0 |
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
- 90°F
- Low
- 62°F
- Wind
- 0-10 mph
- Rain
- 1%
Big temperature swing (62°F to 90°F) — dress in removable layers.
Best Time to Be Outside Tomorrow
9 AM – 11 AM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
97out of 100
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Frequently Asked Questions
What is the weather forecast for tomorrow in Downey, CA?
Tomorrow in Downey: High of 90°F, Low of 62°F. Clear with 1% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in Downey?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Downey?
With a high of 90°F and low of 62°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA). A next-day forecast is the most reliable part of any forecast, but it can still change, so check again in the evening. The page shows when the forecast was issued.