Downey, California weather
United States · America/Los_Angeles · 33.94, -118.13
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Downey, CA Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Downey, California. Every section shows where the data came from and when it was last checked.
Your briefing — take action
Downey, California
- Right now
- Heat Advisory in effect for San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles.Official warning
- Next few hours
- No rain in the forecast for the next few hours.Forecast
- Your day
- Best outdoor window: 12 AM to 1 AM.Our reading
What officials say to do
- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
- In the event of a nearby wildfire, smoke may increase heat and physical stress.
- If smoke impacts your area; 1) Have a cooling plan in place as smoke could limit your ability to cool your home through open windows and 2) If you have air conditioning, set on air recirculation within the home to avoid smoke exposure.
- Local officials may have additional guidance.
Wording from NWS Los Angeles/Oxnard CA. Read the official warning
What happens next
- NowHeat Advisory covers San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles.Official warning
- NextOfficial warning runs until 3:15 AM.Official warning
Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.
Downey, California
94°
Clear sky
Feels like 87° · High 97° · Low 70°
Clear sky here right now. Nothing falling.
Warm and clear this evening. 94° and feels like 87°. Sunset is at 6:17 PM. Temperatures will begin falling after sunset.
- Sunset 6:17 PM
- Overnight low 70°
- Rain this evening 1%
Next few hours
Now
94°
—
5 PM
95°
—
6 PM
91°
—
7 PM
86°
—
8 PM
83°
—
- Rain chance
- 1%
- Wind
- 11 mph ESE
- Humidity
- 15%
- Air quality
- 38 Good
Source updated: 12:28:11 AM · WeatherSignal checked: 12:28:11 AM
What matters today
Six quick answers for Downey. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
8 AM (Good)
Dog walk
12 AM (Good)
Car wash
Go for it (Good)
Cookout
Green light (Good)
Windows
Crack them (Mixed)
Today's Signal
Excellent day
86/100
Mostly favorable, but the warmth will make it less comfortable outside.
Feels like 87° · Active Heat Advisory
Today is about 17° warmer than the rest of the week. The wettest day ahead looks like Wednesday at 58%.
See exactly how this number was worked out
Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.
- Starting score100
- Feels like 87°: warm-8
- Active Heat Advisory-6
- Final Signal86
Next 12 hours
Steady conditions, but the temperature swings about 24° across the next 12 hours.
- 5 PMWarmest stretch · 95°
- 7 PMSunset
- 4 AMCoolest stretch · 70°
- 5 PM—95 degrees, 1 percent chance of rain
- 6 PM—91 degrees, 1 percent chance of rain
- 7 PM—86 degrees, 0 percent chance of rain
- 8 PM—83 degrees, 1 percent chance of rain
- 9 PM—81 degrees, 0 percent chance of rain
- 10 PM—79 degrees, 0 percent chance of rain
- 11 PM—77 degrees, 0 percent chance of rain
- 12 AM—76 degrees, 1 percent chance of rain
- 1 AM—74 degrees, 1 percent chance of rain
- 2 AM—73 degrees, 1 percent chance of rain
- 3 AM—71 degrees, 1 percent chance of rain
- 4 AM—70 degrees, 1 percent chance of rain
The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.
Next change
Conditions gradually ease off this evening
Temperatures fall from about 95° to 70° over the next 12 hours. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: Downey, California
One number for everything happening around you, from 0 to 100.
98
NORMAL
Nothing here needs your attention right now.
Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.
What this means
Generated from the forecast values above using fixed rules: not an AI guess.
- A Heat Advisory issued by NWS Los Angeles/Oxnard CA is active for San Luis Obispo County Beaches.
- No significant precipitation is expected in the next 24 hours.
- Heat builds to 97°F on Friday.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 192 hours (8 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 5 PM | Clear sky | 95° | 87° | 1% | 0.00″ | 13 ESE | 15% |
| 6 PM | Clear sky | 91° | 85° | 1% | 0.00″ | 7 SE | 16% |
| 7 PM | Clear sky | 86° | 81° | 0% | 0.00″ | 6 ESE | 18% |
| 8 PM | Clear sky | 83° | 77° | 1% | 0.00″ | 6 NE | 19% |
| 9 PM | Clear sky | 81° | 76° | 0% | 0.00″ | 5 NE | 20% |
| 10 PM | Overcast | 79° | 73° | 0% | 0.00″ | 6 NE | 22% |
| 11 PM | Overcast | 77° | 71° | 0% | 0.00″ | 6 NE | 23% |
| 12 AM | Clear sky | 76° | 70° | 1% | 0.00″ | 5 NNE | 23% |
| 1 AM | Clear sky | 74° | 69° | 1% | 0.00″ | 5 NNE | 25% |
| 2 AM | Mainly clear | 73° | 68° | 1% | 0.00″ | 5 NNE | 26% |
| 3 AM | Clear sky | 71° | 66° | 1% | 0.00″ | 6 N | 29% |
| 4 AM | Mainly clear | 70° | 65° | 1% | 0.00″ | 6 N | 30% |
| 5 AM | Overcast | 70° | 65° | 1% | 0.00″ | 7 NNE | 29% |
| 6 AM | Clear sky | 70° | 64° | 1% | 0.00″ | 5 NNE | 30% |
| 7 AM | Overcast | 68° | 63° | 1% | 0.00″ | 6 N | 32% |
| 8 AM | Overcast | 72° | 66° | 1% | 0.00″ | 6 NE | 28% |
| 9 AM | Overcast | 82° | 77° | 1% | 0.00″ | 5 SE | 20% |
| 10 AM | Overcast | 87° | 80° | 1% | 0.00″ | 8 ENE | 15% |
| 11 AM | Partly cloudy | 92° | 86° | 1% | 0.00″ | 6 ENE | 12% |
| 12 PM | Clear sky | 94° | 92° | 1% | 0.00″ | 1 N | 12% |
| 1 PM | Clear sky | 95° | 91° | 1% | 0.00″ | 5 WNW | 12% |
| 2 PM | Overcast | 95° | 89° | 2% | 0.00″ | 9 W | 12% |
| 3 PM | Overcast | 93° | 86° | 2% | 0.00″ | 11 W | 15% |
| 4 PM | Partly cloudy | 92° | 85° | 2% | 0.00″ | 10 W | 16% |
7-day forecast
Confidence decreases the further out you look.
Today
Overcast
97° / 70°
- Precip:
- 1% · 0.00″
- Wind:
- 13 mph
- UV:
- 5.8
- Sun:
- 6 AM to 6 PM
Sat, Oct 17
Overcast
95° / 68°
- Precip:
- 2% · 0.00″
- Wind:
- 11 mph
- UV:
- 5.5
- Sun:
- 6 AM to 6 PM
Sun, Oct 18
Overcast
86° / 65°
- Precip:
- 2% · 0.00″
- Wind:
- 12 mph
- UV:
- 5.8
- Sun:
- 7 AM to 6 PM
Mon, Oct 19
Overcast
81° / 72°
- Precip:
- 0% · 0.00″
- Wind:
- 10 mph
- UV:
- 5.7
- Sun:
- 7 AM to 6 PM
Tue, Oct 20
Overcast
75° / 68°
- Precip:
- 30% · 0.00″
- Wind:
- 10 mph
- UV:
- 5.7
- Sun:
- 7 AM to 6 PM
Lower confidence: long-range outlook, not a certainty.
Wed, Oct 21
Light drizzle
70° / 65°
- Precip:
- 58% · 0.01″
- Wind:
- 10 mph
- UV:
- 3.9
- Sun:
- 7 AM to 6 PM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Drizzle
73° / 65°
- Precip:
- 41% · 0.14″
- Wind:
- 12 mph
- UV:
- 4.8
- Sun:
- 7 AM to 6 PM
Lower confidence: long-range outlook, not a certainty.
Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.
Air quality
US EPA AQI · Good
- AQI
- 38
- Primary
- Ozone
- PM2.5
- 3.5µg/m³
- PM10
- 6.8µg/m³
- Ozone
- 92.0µg/m³
- Dust
- 6.0µg/m³
Good
Highest measured pollutant
Air quality is satisfactory for outdoor activity.
Air-quality guidance comes from the published category definitions of the source scale. WeatherSignal does not provide medical advice.
Source updated: not provided · WeatherSignal checked: 12:28:11 AM
Downey hourly weather
Hour by hour, out to eight days ahead.
Downey 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.