Pomona, California weather
United States · America/Los_Angeles · 34.06, -117.75
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Pomona, CA Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Pomona, California. Every section shows where the data came from and when it was last checked.
Your briefing — take action
Pomona, California
- Right now
- Red Flag Warning in effect for Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Los Angeles County San Gabriel Valley.Official warning
- Next few hours
- No rain in the forecast for the next few hours.Forecast
- Your day
- Best outdoor window: 6 AM to 7 AM.Our reading
- UV index 6 — sunburn risk during the strongest sun.Observed
What officials say to do
- A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly.
- Use extreme caution with anything that can spark a wildfire.
- Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out.
- See readyforwildfire.org and wildfirerisk.org for information.
Wording from NWS Los Angeles/Oxnard CA. Read the official warning
What happens next
- NowRed Flag Warning covers Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Los Angeles County San Gabriel Valley.Official warning
- NextOfficial warning runs until 2:30 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.
Pomona, California
88°
Clear sky
Feels like 87° · High 90° · Low 88°
Clear sky here right now. Nothing falling.
Warm and clear tonight. 88° right now. Overnight low around 88°. Tomorrow starts clear sky. Sunrise is at 11:00 PM.
- Overnight low 88°
- Sunrise 11:00 PM
- Rain overnight 0%
Next few hours
Now
88°
—
1 PM
88°
—
2 PM
89°
—
3 PM
90°
—
4 PM
89°
—
- Rain chance
- 0%
- Wind
- 14 mph ENE
- Humidity
- 21%
- Air quality
- No reading
Source updated: 8:15:12 PM · WeatherSignal checked: 8:15:12 PM
What matters today
Six quick answers for Pomona. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
11 PM (Good)
Dog walk
11 PM (Good)
Car wash
Go for it (Good)
Cookout
Green light (Good)
Windows
Crack them (Mixed)
Today's Signal
Mixed day
52/100
A mixed day: the warmth and poor visibility will get in the way of outdoor plans.
Feels like 87° · Visibility 0.0 mi · Active Red Flag Warning
Today is about 12° warmer than the rest of the week.
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
- Visibility 0.0 mi-10
- Active Red Flag Warning-30
- Final Signal52
Next 12 hours
Steady conditions, but the temperature swings about 20° across the next 12 hours.
- 3 PMWarmest stretch · 90°
- 11 PMSunrise
- 12 AMCoolest stretch · 69°
- 1 PM—88 degrees, 0 percent chance of rain
- 2 PM—89 degrees, 0 percent chance of rain
- 3 PM—90 degrees, 0 percent chance of rain
- 4 PM—89 degrees, 0 percent chance of rain
- 5 PM—87 degrees, 0 percent chance of rain
- 6 PM—82 degrees, 0 percent chance of rain
- 7 PM—76 degrees, 0 percent chance of rain
- 8 PM—74 degrees, 0 percent chance of rain
- 9 PM—73 degrees, 0 percent chance of rain
- 10 PM—72 degrees, 0 percent chance of rain
- 11 PM—71 degrees, 0 percent chance of rain
- 12 AM—69 degrees, 0 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
It keeps cooling down overnight
Temperatures fall from about 88° to 69° over the next 12 hours. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: Pomona, California
One number for everything happening around you, from 0 to 100.
82
WATCHFUL
Severe weather is what is pulling this number down: official advisory in effect.
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 Red Flag Warning issued by NWS Los Angeles/Oxnard CA is active for Santa Clarita Valley.
- No significant precipitation is expected in the next 24 hours.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 48 hours (2 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 1 PM | Clear sky | 88° | 87° | 0% | 0.00″ | 14 ENE | 21% |
| 2 PM | Clear sky | 89° | 88° | 0% | 0.00″ | 13 ENE | 21% |
| 3 PM | Clear sky | 90° | 88° | 0% | 0.00″ | 13 ENE | 21% |
| 4 PM | Clear sky | 89° | 87° | 0% | 0.00″ | 11 ENE | 22% |
| 5 PM | Clear sky | 87° | 85° | 0% | 0.00″ | 11 NE | 25% |
| 6 PM | Clear sky | 82° | 80° | 0% | 0.00″ | 8 NE | 32% |
| 7 PM | Clear sky | 76° | 75° | 0% | 0.00″ | 10 NNE | 39% |
| 8 PM | Clear sky | 74° | 73° | 0% | 0.00″ | 11 NNE | 42% |
| 9 PM | Clear sky | 73° | 71° | 0% | 0.00″ | 11 NNE | 44% |
| 10 PM | Clear sky | 72° | 71° | 0% | 0.00″ | 11 NNE | 44% |
| 11 PM | Clear sky | 71° | 69° | 0% | 0.00″ | 11 NNE | 44% |
| 12 AM | Clear sky | 69° | 68° | 0% | 0.00″ | 11 NNE | 47% |
| 1 AM | Clear sky | 69° | 67° | 0% | 0.00″ | 11 NNE | 48% |
| 2 AM | Mainly clear | 68° | 67° | 0% | 0.00″ | 10 NNE | 48% |
| 3 AM | Clear sky | 68° | 66° | 0% | 0.00″ | 9 NNE | 48% |
| 4 AM | Clear sky | 67° | 65° | 0% | 0.00″ | 9 NE | 49% |
| 5 AM | Clear sky | 66° | 64° | 0% | 0.00″ | 7 NNE | 50% |
| 6 AM | Clear sky | 64° | 63° | 0% | 0.00″ | 8 NNE | 54% |
| 7 AM | Clear sky | 64° | 62° | 0% | 0.00″ | 7 NE | 55% |
| 8 AM | Clear sky | 68° | 66° | 0% | 0.00″ | 6 NNE | 49% |
| 9 AM | Partly cloudy | 76° | 74° | 0% | 0.00″ | 6 SSE | 37% |
| 10 AM | Partly cloudy | 79° | 77° | 0% | 0.00″ | 8 SSE | 30% |
| 11 AM | Partly cloudy | 80° | 78° | 0% | 0.00″ | 6 SSE | 26% |
| 12 PM | Partly cloudy | 83° | 82° | 0% | 0.00″ | 5 SSE | 22% |
7-day forecast
Confidence decreases the further out you look.
Today
Clear sky
90° / 88°
- Precip:
- 0% · 0.00″
- Wind:
- 14 mph
- UV:
- 6.0
- Sun:
- 11 PM to 11 AM
Sat, Oct 17
Clear sky
87° / 64°
- Precip:
- 0% · 0.00″
- Wind:
- 11 mph
- UV:
- 6.1
- Sun:
- 11 PM to 11 AM
Sun, Oct 18
Clear sky
85° / 66°
- Precip:
- 0% · 0.00″
- Wind:
- 7 mph
- UV:
- 6.3
- Sun:
- 11 PM to 11 AM
Mon, Oct 19
Clear sky
83° / 67°
- Precip:
- 0% · 0.00″
- Wind:
- 9 mph
- UV:
- 0.4
- Sun:
- 11 PM to 11 AM
Tue, Oct 20
Clear sky
80° / 62°
- Precip:
- 0% · 0.00″
- Wind:
- 6 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
Lower confidence: long-range outlook, not a certainty.
Wed, Oct 21
Clear sky
67° / 56°
- Precip:
- 0% · 0.00″
- Wind:
- 7 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Clear sky
64° / 56°
- Precip:
- 0% · 0.00″
- Wind:
- 4 mph
- UV:
- 0.0
- Sun:
- 11 PM to 11 AM
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.
Pomona hourly weather
Hour by hour, out to eight days ahead.
Pomona 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.