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Downey, CA Weather Tomorrow

From tomorrow through the next 5 days, stay updated on Downey weather with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Downey area and around Los Angeles county, California.
Updated: Tue Sep 8th 2026 5:30 PM PDT
Downey, CA Weather – 9-8 – Sunny
109° / 74°
Sunny
Downey could see a sunny day with daytime highs of 109°F and nighttime lows near 74°F. There's a very small chance of rainfall, only about 6% with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 9.9mph at 6 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 38% at 9 PM and 30% being its lowest at 6 PM. Barometric pressure is its highest of 29.89inHg at 10 PM, a lowest point of 29.84inHg at 6 PM with an avg 29.86inHg.
Downey, CA Weather – 9-9 – Sunny
101° / 81°

Weather Tomorrow

Sunny
In Downey, a sunny day is likely with a high near 101°F and a low around 81°F. There's a very small chance of rainfall, only about 5% with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 21.7mph at 4 PM. Humidity levels should be comfortable, sitting around 35% on average, the maximum being 50% at 11 PM and 22% being its lowest at 2 PM. Barometric pressure is its highest of 29.95inHg at 11 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.9inHg.
Downey, CA Weather – 9-10 – Sunny
93° / 79°
Sunny
Daytime highs will reach 93°F with lows dropping to 79°F in Downey, where bright and sunny conditions. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 11mph on average and gusts of 21.3mph at 3 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 53% at 6 AM and 31% being its lowest at 2 PM. Barometric pressure is its highest of 29.92inHg at 12 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.87inHg.
Downey, CA Weather – 9-11 – Sunny
88° / 76°
Sunny
Highs will reach 88°F with lows near 76°F in Downey, where sunshine is. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 11mph on average and gusts of 20.8mph at 4 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 63% at 7 AM and 39% being its lowest at 5 PM. Barometric pressure is its highest of 29.87inHg at 10 AM, a lowest point of 29.79inHg at 5 PM with an avg 29.83inHg.
Downey, CA Weather – 9-12 – Sunny
85° / 72°
Sunny
Downey may see sunshine, with daytime highs of 85°F and overnight lows near 72°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 21mph at 3 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 77% at 7 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 29.89inHg at 9 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.85inHg.
Downey, CA Weather – 9-13 – Sunny
85° / 71°
Sunny
Sunshine is in the forecast for Downey, with a high of 85°F and a low of 71°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 11mph on average and gusts of 19.2mph at 5 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 74% at 7 AM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 29.86inHg at 8 AM, a lowest point of 29.76inHg at 5 PM with an avg 29.82inHg.

Currently

Sunny 98°F
29.84 inHg.
Barometer
26%
Humidity
W 12.6 mph
Wind
Sunny

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