Downey, CA Weather Forecast
Right now it is 72°F and sunny in Downey (as of Tue, 9:57 AM PST). Today: high near 76°F. Tomorrow: sunny, high near 77°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at WHITTIER HILLS (8 mi from the city center).
Weather tomorrow in Downey
Sunny, with a high near 77. North northwest wind 0 to 5 mph.
Mostly clear, with a low around 59. West northwest wind around 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Downey right now.
7-day forecast
Sunny, with a high near 76. West southwest wind 5 to 10 mph. Tonight: Mostly clear, with a low around 57. North northeast wind 0 to 10 mph.
Sunny, with a high near 77. North northwest wind 0 to 5 mph. Wednesday Night: Mostly clear, with a low around 59. West northwest wind around 5 mph.
Sunny, with a high near 80. West wind 0 to 5 mph. Thursday Night: Mostly clear, with a low around 59.
Sunny, with a high near 84. Friday Night: Clear, with a low around 59.
Sunny, with a high near 87. Saturday Night: Mostly clear, with a low around 62.
Sunny, with a high near 87. Sunday Night: Partly cloudy, with a low around 64.
Mostly sunny, with a high near 84. Monday Night: Mostly cloudy, with a low around 63.
Forecast issued by NWS forecast office LOX · updated Nov 3, 12:31 AM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Downey population: 108,468 (U.S. Census Bureau, July 1, 2025 estimate). More California cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Downey?
Wednesday, November 4: Sunny, high near 77°F; night: mostly clear, low around 59°F.
Where does the Downey forecast come from?
From the National Weather Service forecast office LOX, which writes the official forecast for Downey's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Downey weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Downey (America/Los Angeles).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.