Current weather
Checking the latest reportMeasured conditions from the National Weather Service.
BEFORE YOU HEAD OUT
Downey weather, air quality and conditions
Plan around Downey’s forecast, nearby weather observations and current regional air reports.
Peak UV forecast
Checking the forecastThe EPA's daily peak forecast, with its own forecast date.
UV index guide ↗Weather alerts
Checking local alertsOfficial alerts covering the Downey area.
View the official forecast and alerts ↗Forecast
Forecast
Loading the National Weather Service forecast…
Official NWS forecast ↗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.
Air quality and roads
Regional air quality and official road information.
Check the update times on weather and air-quality readings. Use official road reports and a local allergy forecast for your trip.
Sunrise and sunset
Plan around sunrise, sunset and the golden-hour windows, calculated for Downey and shown in Pacific time.
Plan a golden hour →Source publication times differ. Forecasts, observations, alerts, UV and regional air quality refresh on their own schedules.
Rivers and streams
Latest readings from U.S. Geological Survey gauges near Downey. Provisional data, not a flood forecast; follow National Weather Service flood warnings.
Rio Hondo below Whittier Narrows Dam CA
5.9 miles from the city center
- Flow
- Gage height
- Water temperature
San Gabriel River above Whittier Narrows Dam CA
8.5 miles from the city center
- Flow
- Gage height
- Water temperature
Rio Hondo above Whittier Narrows Dam CA
8.9 miles from the city center
- Flow
- Gage height
- Water temperature
Brea Creek below Brea Dam near Fullerton CA
12.4 miles from the city center
- Flow
- Gage height
- Water temperature
Where Downey's readings come from
- Forecast
- National Weather Service Los Angeles, CA office, forecast grid square 158,39. NWS Los Angeles, CA ↗
- Current conditions
- Fullerton Municipal Airport (nearby regional station) (KFUL). KFUL recent observations ↗
- UV index
- EPA daily UV forecast for ZIP code 90241. About the UV index ↗
- Air quality
- AirNow reporting area: S Central LA CO, CA. AirNow ↗
- Weather alerts
- Active NWS alerts for the point at Downey's center, in Los Angeles County. NWS alerts ↗
- Climate normals
- NOAA 1991–2020 normals at LONG BEACH DAUGHERTY FLD, CA, 8.9 miles away: August averages a high of 83°F and December a low of 47°F, with about 12 inches of precipitation a year. NOAA normals data ↗