Weather Tomorrow

Weather Tomorrow in Downey, CA

Heat AdvisoryUntil Sep 11, 2:15 PM

Heat Advisory issued September 10 at 9:20PM PDT until September 11 at 6:00PM 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.

Saturday, September 12, 2026

87°Low 71°FColdHot
Foggy

Precip chance

2%

Wind

5-10 mph

Humidity

69%

Feels like

85–73°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

71°Temperature trend87°
TimeTempConditionRain %Wind
7 AM76°FPatchy Fog
1%
10 mph SSE
8 AM74°FPatchy Fog
1%
10 mph SSE
9 AM74°FPatchy Fog
1%
5 mph SSE
10 AM73°FPatchy Fog
1%
5 mph SSE
11 AM73°FPatchy Fog
1%
5 mph SSE
12 PM73°FPatchy Fog
2%
5 mph SSE
1 PM71°FPatchy Fog
2%
5 mph SSE
2 PM71°FPatchy Fog
2%
5 mph SSE
3 PM72°FPatchy Fog
2%
5 mph SSE
4 PM75°FPatchy Fog
2%
5 mph SSE
5 PM78°FPatchy Fog
2%
5 mph SSE
6 PM81°FSunny
0%
5 mph S
7 PM83°FSunny
0%
5 mph S
8 PM85°FSunny
0%
5 mph S
9 PM86°FSunny
0%
5 mph SSW
10 PM87°FSunny
0%
5 mph SSW
11 PM86°FSunny
0%
5 mph SSW
12 AM83°FSunny
0%
5 mph SW
1 AM79°FClear
0%
5 mph SW
2 AM76°FClear
0%
5 mph SW
3 AM74°FClear
0%
5 mph S
4 AM72°FClear
0%
5 mph S
5 AM72°FClear
0%
5 mph S
6 AM71°FPatchy Fog
0%
5 mph S

Precipitation Timeline

No significant precipitation expected tomorrow.

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: 87°F

Low: 71°F

Wind: 5-10 mph

Rain: 2%

Enjoy your day!

Best Time to Be Outside Tomorrow

1 PM – 2 PM98

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

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Frequently Asked Questions

What is the weather forecast for tomorrow in Downey, CA?
Tomorrow in Downey: High of 87°F, Low of 71°F. Foggy with 2% chance of precipitation. Wind 5-10 mph.
Will it rain tomorrow in Downey?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Downey?
With a high of 87°F and low of 71°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), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.