Outdoor conditions in

Rialto

California

Current concerns

Outdoor planning

Now
  1. 79°Sunny0% rain25% humidityGusts 32 mph
  2. 80°Sunny0% rain25% humidityGusts 31 mph
  3. 82°Sunny0% rain24% humidityGusts 29 mph
  4. 80°Sunny0% rain25% humidityGusts 26 mph
  5. 80°Sunny0% rain26% humidityGusts 23 mph
  6. 78°Clear0% rain28% humidityGusts 20 mph
  7. 75°Clear0% rain32% humidityGusts 16 mph
  8. 74°Clear0% rain34% humidityGusts 14 mph
  9. 73°Clear0% rain35% humidityGusts 14 mph
  10. 72°Clear0% rain36% humidityGusts 14 mph
  11. 72°Clear0% rain37% humidityGusts 16 mph
  12. 71°Clear0% rain39% humidityGusts 16 mph
  13. 71°Clear0% rain41% humidityGusts 17 mph
  14. 69°Clear0% rain44% humidityGusts 20 mph
  15. 68°Clear0% rain45% humidityGusts 24 mph
  16. 68°Clear0% rain45% humidityGusts 30 mph
  17. 67°Mostly Clear0% rain48% humidityGusts 33 mph
  18. 67°Sunny0% rain48% humidityGusts 35 mph
  19. 66°Sunny0% rain49% humidityGusts 35 mph
  20. 67°Sunny0% rain50% humidityGusts 35 mph
  21. 71°Sunny0% rain45% humidityGusts 35 mph
  22. 75°Sunny0% rain39% humidityGusts 35 mph
  23. 78°Sunny0% rain34% humidityGusts 32 mph
  24. 80°Sunny0% rain32% humidityGusts 28 mph

No suitable complete window was found within these hours. Try a shorter visit or a wider search.

Extra care for

A little farther out

The next five days

Today

Today looks breezy.

Rain
0%
Humidity
24–37%
Wind
33 mph
Fri

Friday looks breezy.

Rain
0%
Humidity
28–50%
Wind
35 mph
Sat

Saturday looks breezy.

Rain
0%
Humidity
26–50%
Wind
28 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
29–60%
Wind
28 mph
Mon

Monday looks fairly quiet.

Rain
3%
Humidity
35–70%
Wind
16 mph
  1. 82° / 72°Today looks breezy.0% rain · Humidity 24–37% · Wind 33 mph
  2. 86° / 66°Friday looks breezy.0% rain · Humidity 28–50% · Wind 35 mph
  3. 82° / 65°Saturday looks breezy.0% rain · Humidity 26–50% · Wind 28 mph
  4. 83° / 62°Sunday looks breezy.0% rain · Humidity 29–60% · Wind 28 mph
  5. 80° / 62°Monday looks fairly quiet.3% rain · Humidity 35–70% · Wind 16 mph

Environmental watch

Air quality + smoke

Air quality

C San Bernardino area · Updated Thu 12:25 PM
54ModerateUS AQI

Moderate now, easing to Good through Fri 12 PM.

54 is in the Moderate range (51–100). Most people can be active outside; if you’re unusually sensitive to coarse particles, consider a shorter or easier outing.

Sky check

No plume detected overhead

Satellite view · Updated Thu 11:45 AM

Air near ground54 · Moderate US AQI

Rain, in motion · Past four hours

Rialto radar

An active official alert is in effect. Its affected area is described above the briefing.

Radar animation for Rialto, covering the past four hours. A marked spot changes the map view, not the forecast on this page.

Outdoor fire check

Thinking about a backyard fire?

Conditions could spread a fire quickly.

Wind, gusts, or the combination of dry air and wind raises the concern.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowHigh concern

Sustained wind is 20 mph. Gusts may reach 32 mph. Humidity is 25% while winds are elevated.

Humidity
25%
Wind
20 mph
Gusts
32 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

Nearby regional view

Explore Riverside

About 9 miles away, the Riverside hub looks more deeply at Riverside–San Bernardino area. It reflects that wider area rather than Rialto’s exact conditions.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes C San Bernardino area, about 1 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Rialto, CA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.