Weather Tomorrow in Downey, CA

Extreme Heat WarningUntil Aug 25, 5:00 PM

Extreme Heat Warning issued August 24 at 12:44PM PDT until August 28 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.

Heat AdvisoryUntil Aug 25, 5:00 PM

Heat Advisory issued August 24 at 12:44PM PDT until August 25 at 10:00AM 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.

Tuesday, August 25, 2026

Clear

Precip chance

Wind

0-10 mph

Humidity

59%

Feels like

100–71°F

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

Tomorrow by Hour

69°Temperature trend102°

Time	Temp	Condition	Rain %	Wind	Humidity

7 AM☽	73°F	Mostly Clear	1%	0 mph	72%
8 AM☽	73°F	Mostly Clear	1%	0 mph	73%
9 AM☽	71°F	Mostly Clear	1%	0 mph	76%
10 AM☽	71°F	Mostly Clear	1%	0 mph	77%
11 AM☽	71°F	Mostly Clear	1%	0 mph	78%
12 PM☽	69°F	Partly Cloudy	1%	0 mph	78%
1 PM	69°F	Mostly Sunny	1%	0 mph	79%
2 PM	71°F	Mostly Sunny	1%	0 mph	76%
3 PM	72°F	Mostly Sunny	1%	0 mph	73%
4 PM	78°F	Mostly Sunny	1%	0 mph	66%
5 PM	83°F	Mostly Sunny	1%	0 mph	60%
6 PM	90°F	Sunny	1%	5 mph SW	49%
7 PM	95°F	Sunny	1%	5 mph SW	44%
8 PM	100°F	Sunny	1%	5 mph SW	39%
9 PM	102°F	Sunny	1%	10 mph SW	36%
10 PM	100°F	Sunny	1%	10 mph SW	37%
11 PM	96°F	Sunny	1%	10 mph SW	37%
12 AM	91°F	Sunny	0%	10 mph SW	38%
1 AM☽	87°F	Mostly Clear	0%	10 mph SW	42%
2 AM☽	83°F	Mostly Clear	0%	10 mph SW	48%
3 AM☽	79°F	Mostly Clear	0%	5 mph SW	56%
4 AM☽	76°F	Mostly Clear	0%	5 mph SW	62%
5 AM☽	76°F	Mostly Clear	0%	5 mph SW	65%
6 AM☽	74°F	Mostly Clear	0%	5 mph SW	66%

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Extreme heat — stay cool and protected

Clothing

• Lightest possible clothing
• Wide-brim hat
• UV-protective shirt if outdoors

Footwear

Breathable sandals

Accessories

• Sunglasses
• Sunscreen

Conditions

High: 102°F

Low: 69°F

Wind: 0-10 mph

Rain: 1%

Big temperature swing (69°F to 102°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

1 PM – 2 PM

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 102°F, Low of 69°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 102°F and low of 69°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.