See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Mostly Clear
Feels Like: 25°
Min: 20°
Max: 26°
The next few hours will be overcast, with today reaching 26°C and dropping to 19°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:41
Sunrise
18:53
Sunset
Moon
Waxing Crescent
11:16
Moonrise
20:47
Moonset
Daily Forecast
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Wednesday
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Friday
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Weather in Downey today, September 15, 2026
Conditions in Downey on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.
Expect highs of 26°C and cooler readings close to 20°C. The air stays humid, with relative humidity between 52% and 80% and the peak around 22:00. A lighter breeze peaks around 16:00 near 4.1 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 21:00. Outdoor plans may still want a flexible backup. Expect visibility around 16.1 km. Daylight runs from 06:41 to 18:53, lasting 12 hours 11 minutes of sunlight today.
Overall, Downey on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 26°C.
Frequently asked questions about weather in Downey
How warm does it get in Downey?
The warmest month in Downey is August, with average high temperatures of 31°C. The average temperature during this period is around 24°C.
How cold does it get in Downey?
The coldest month in Downey is January, with average low temperatures of 9°C. The average temperature during this period is around 13°C.
What is the wettest time of year in Downey?
The wettest month in Downey is January, with an average of 82mm of precipitation.
What is the driest time of year in Downey?
The driest month in Downey is July, with an average of 1mm of precipitation.
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