BEFORE YOU HEAD OUT

Santa Ana weather, air quality and conditions

Plan around Santa Ana’s forecast, nearby weather observations and current regional air reports.

NEARBY · JOHN WAYNE AIRPORT

Current weather

Checking the latest report

Measured conditions from the National Weather Service.

PLAN YOUR TIME OUTSIDE

Peak UV forecast

Checking the forecast

The EPA's daily peak forecast, with its own forecast date.

UV index guide ↗

Gas prices

View the gas guide for available station reports and their report times. Confirm pump prices and any cash or membership conditions with the station.

Find a nearby gas station →

Sunrise and sunset

Plan around sunrise, sunset and the golden-hour windows, calculated for Santa Ana and shown in Pacific time.

Plan a golden hour →

Conditions update throughout the day.

Rivers and streams

Latest readings from U.S. Geological Survey gauges near Santa Ana. Provisional data, not a flood forecast; follow National Weather Service flood warnings.

Santiago Creek at Santa Ana CA

2 miles from the city center

USGS gauge page ↗

Santa Ana River at Santa Ana CA

2.4 miles from the city center

USGS gauge page ↗

Bonita Creek at Irvine CA

7 miles from the city center

USGS gauge page ↗

Brea Creek below Brea Dam near Fullerton CA

10.4 miles from the city center

USGS gauge page ↗

Where Santa Ana's readings come from

Forecast
National Weather Service San Diego, CA office, forecast grid square 38,63. NWS San Diego, CA ↗
Current conditions
John Wayne-Orange County Airport (nearby) (KSNA). KSNA recent observations ↗
UV index
EPA daily UV forecast for ZIP code 92701. About the UV index ↗
Air quality
AirNow reporting area: Central Orange, CA. AirNow ↗
Weather alerts
Active NWS alerts for the point at Santa Ana's center, in Orange County. NWS alerts ↗
Climate normals
NOAA 1991–2020 normals at SANTA ANA FIRE STN, CA, 0.1 miles away: August averages a high of 85°F and December a low of 48°F, with about 13 inches of precipitation a year. NOAA normals data ↗

Santa Ana weather by month

Santa Ana AI

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