See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:41
Sunrise
18:51
Sunset
Moon
Waxing Crescent
12:17
Moonrise
21:21
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Pico Rivera.
UV Index
Humidity
Weather in Pico Rivera today, September 16, 2026
Pico Rivera stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 100% by 10:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 18°C toward a daytime high of about 26°C. The air stays humid, with relative humidity between 50% and 86% and the peak around 22:00. Expect gentle winds, highest near 16:00 at 4.0 km/h.
Expect a more open afternoon, with limited cloud around 51% by 22:00. Residual damp risk should be lower than earlier. Views remain open at about 16.1 km. Sunrise is at 06:41 and sunset at 18:51, giving 12 hours 9 minutes of sunlight today.
Taken together, overcast skies in Pico Rivera on September 16, 2026 favour indoor or covered options, with temperatures near 26°C.
Frequently asked questions about weather in Pico Rivera
How warm does it get in Pico Rivera?
The warmest month in Pico Rivera 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 Pico Rivera?
The coldest month in Pico Rivera is January, with average low temperatures of 8°C. The average temperature during this period is around 13°C.
What is the wettest time of year in Pico Rivera?
The wettest month in Pico Rivera is January, with an average of 87mm of precipitation.
What is the driest time of year in Pico Rivera?
The driest month in Pico Rivera is July, with an average of 1mm of precipitation.
Explore more weather forecasts
- West Whittier-Los Nietos, California
- New York City, New York
- Montebello, California
- Los Angeles, California
- Santa Fe Springs, California
- Brooklyn, New York
- Bell Gardens, California
- Chicago, Illinois
- Downey, California
- Houston, Texas
- Whittier, California
- Queens, New York
- Commerce, California
- Phoenix, Arizona
- South Whittier, California
- Philadelphia, Pennsylvania