Today
Sun, Jun 21
Fog
76°60°
- Rain chance
- 0%
- Precip
- 0 in
- Max wind
- 10 mph
Compton air quality
California, United States · Los_Angeles time · 33.90°, -118.22°
Current conditions · 9:15 PM local
Current conditions in Compton
63°F
Clear sky
Feels like 62°F
- Humidity
- 84%
- Wind
- 6 mph W
- Gusts
- 11 mph
- UV index
- 0
- Visibility
- 9.8 mi
Air quality
43
Good
US AQI · European AQI 25
Air quality in Compton is currently good, with a US AQI of 43 (European AQI 25). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 7.1 µg/m³.
Pollutants
- PM2.5
- 7.1 µg/m³
- PM10
- 9.6 µg/m³
- Ozone (O₃)
- 63 µg/m³
- NO₂
- 12.6 µg/m³
- SO₂
- 2.1 µg/m³
- CO
- 109 µg/m³
- Dust
- 2 µg/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Compton is currently seeing clear sky, with 17 °C on the thermometer. It feels close to the actual reading at 18 °C. Wind is from the W at 10 km/h. Humidity stands at 82% with sea-level pressure near 1013 hPa.
At a glance
Today
76° / 60°Fog · extreme UV
Tomorrow
76° / 60°Overcast · extreme UV
Upcoming · to Saturday
84° / 61°A steady stretch: highs near 84°, lows around 61°, and no day above a 8% rain chance through Saturday.
Ad · 728×90
Next 3 days
Expect fog today, between 15 °C and 24 °C. Tomorrow brings overcast with a high of 24 °C and a low of 15 °C. Tuesday brings overcast with a high of 25 °C and a low of 16 °C.
Tomorrow
Mon, Jun 22
Overcast
76°60°
- Rain chance
- 0%
- Precip
- 0 in
- Max wind
- 10 mph
Tuesday
Tue, Jun 23
Overcast
77°61°
- Rain chance
- 2%
- Precip
- 0 in
- Max wind
- 10 mph
Next 48 hours
- 12 AM62°0%4 mph
- 1 AM60°0%3 mph
- 2 AM60°0%2 mph
- 3 AM60°0%2 mph
- 4 AM60°0%4 mph
- 5 AM60°0%2 mph
- 6 AM60°0%2 mph
- 7 AM62°0%2 mph
- 8 AM64°0%2 mph
- 9 AM64°0%3 mph
- 10 AM68°0%3 mph
- 11 AM72°0%4 mph
- 12 PM74°0%6 mph
- 1 PM75°0%6 mph
- 2 PM76°0%7 mph
- 3 PM74°0%9 mph
- 4 PM75°0%9 mph
- 5 PM73°0%10 mph
- 6 PM72°0%9 mph
- 7 PM69°0%8 mph
- 8 PM65°0%7 mph
- 9 PM64°0%6 mph
- 10 PM63°0%5 mph
- 11 PM61°0%2 mph
- 12 AM61°0%2 mph
- 1 AM60°0%3 mph
- 2 AM60°0%3 mph
- 3 AM61°0%1 mph
- 4 AM61°0%0 mph
- 5 AM61°0%0 mph
- 6 AM61°0%1 mph
- 7 AM61°0%0 mph
- 8 AM63°0%1 mph
- 9 AM66°0%2 mph
- 10 AM70°0%3 mph
- 11 AM73°0%5 mph
- 12 PM76°0%7 mph
- 1 PM76°0%9 mph
- 2 PM75°0%10 mph
- 3 PM74°0%10 mph
- 4 PM73°0%10 mph
- 5 PM71°0%10 mph
- 6 PM68°0%9 mph
- 7 PM66°0%8 mph
- 8 PM64°0%6 mph
- 9 PM62°0%5 mph
- 10 PM62°0%3 mph
- 11 PM62°0%2 mph
In depth
Compton starts the period under clear sky, with the mercury at 17 °C and a feels-like of 18 °C. Today's forecast calls for fog, topping out near 24 °C before falling back to 15 °C overnight. Winds blow mainly from the WSW around 16 km/h, with gusts up to 20 km/h. Daytime highs hold fairly steady this week, staying within 24 to 29 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 24 °C and a 0% chance of precipitation. The UV index reaches 9 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:42 and sunset at 20:07, giving 14.4 hours of daylight. Current humidity sits at 82% with pressure near 1013 hPa. Looking further out, Thursday shows clear sky with a high around 28 °C, while Saturday ends the week at 27 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 5:42 AM
- Sunset
- 8:07 PM
- Daylight
- 14h 25m
- Max UV
- 8.65 Very high
Wind
- Wind
- 6 mph
- Gusts
- 11 mph
- Direction
- W (279°)
Farming weather
Soil temperatures today read surface 16 °C, 6 cm 18.6 °C, 18 cm 21.4 °C, 54 cm 20.6 °C. Soil moisture sits at 0-1 cm at 0.23 m³/m³, 3-9 cm at 0.24 m³/m³, 27-81 cm at 0.29 m³/m³. For maize, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 41 mm against only 0 mm of expected rain — a 41 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: maize 86, wheat 125.
- Topsoil moisture
- 0.238 m³/m³
- Soil temp
- 58°F
- ET₀ today
- 4.37 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 0 in
- Wind
- 6 mph
- Humidity
- 84%
Advisory summary
No weather alert thresholds are crossed for Compton in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
Ad · 300×250
All data for Compton
| Variable | Value |
|---|---|
| City | Compton, California, United States |
| Coordinates | 33.89585, -118.22007 |
| Elevation | 21 m |
| Timezone | America/Los_Angeles |
| Population | 98,462 |
| Observed at (local) | 9:15 PM |
| Temperature (2 m) | 63°F |
| Apparent temperature | 62°F |
| Relative humidity (2 m) | 84% |
| Dew point (2 m) | 57°F |
| Precipitation (last hour) | 0 in |
| Rain | 0 in |
| Showers | 0 in |
| Snowfall | 0 in |
| Weather code (WMO) | 0 |
| Cloud cover | 15% |
| Surface pressure | 29.8 inHg |
| Sea-level pressure | 29.9 inHg |
| Wind speed (10 m) | 6 mph |
| Wind gusts (10 m) | 11 mph |
| Wind direction (10 m) | 279° (W) |
| Visibility | 9.8 mi |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 76°F / 60°F |
| Today feels-like max / min | 80°F / 60°F |
| Today precipitation sum | 0 in |
| Today rain sum | 0 in |
| Today snowfall sum | 0 in |
| Today max precip probability | 0% |
| Today max wind / gusts | 10 mph / 13 mph |
| Dominant wind direction | 243° (WSW) |
| Sunrise / sunset | 5:42 AM / 8:07 PM |
| Daylight duration | 14h 25m |
| Sunshine duration | 10h 40m |
| Max UV index | 8.65 |
| Reference evapotranspiration (ET₀) | 4.37 mm |
| Topsoil moisture (0–1 cm) | 0.238 m³/m³ |
| Surface soil temperature | 58°F |
| US AQI | 43 |
| European AQI | 25 |
| PM2.5 | 7.1 µg/m³ |
| PM10 | 9.6 µg/m³ |
| Ozone (O₃) | 63 µg/m³ |
| Nitrogen dioxide (NO₂) | 12.6 µg/m³ |
| Sulphur dioxide (SO₂) | 2.1 µg/m³ |
| Carbon monoxide (CO) | 109 µg/m³ |
| Dust | 2 µg/m³ |
Weather widget
Preview widget →Add live Compton weather to your own site — paste this snippet anywhere HTML is allowed. It stays in sync automatically.
<iframe src="https://weathertomorrow.cloud/embed/city/us/california/compton" width="320" height="180" frameborder="0" title="Compton weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Compton tomorrow?
Rain is unlikely in Compton tomorrow; the precipitation chance stays around 0%.
What is the temperature in Compton today?
Today Compton sees fog with a high of 24 °C and a low of 15 °C.
How hot will it be in Compton tomorrow?
Tomorrow's high in Compton is forecast at 24 °C with overcast.
Is it windy in Compton today?
No, not especially; gusts only reach up to 20 km/h today.
What is the UV index in Compton today?
The UV index peaks at 9 today, which is very high.
What time is sunrise and sunset in Compton today?
The sun rises at 05:42 and sets at 20:07 local time.
Is the air quality in Compton good today?
Air quality is good right now, with a US AQI reading of 43.