See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Overcast
Feels Like: 17°
Min: 19°
Max: 27°
The next few hours will be overcast, with today reaching 27°C and dropping to 17°C. The coming days will be clear from afternoon until night.
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
11:17
Moonrise
20:46
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in South Pasadena today, September 15, 2026
South Pasadena stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 100% around 06:00. Brighter weather, if it comes, waits until later.
Expect highs of 27°C and cooler readings close to 19°C. Relative humidity sits between 54% and 94%, reaching its peak around 23:00. Winds stay light, near 4.7 km/h by 15:00, so the day feels still more than breezy.
Later hours favour clearer intervals, as cloud stays near 52% around 23:00. The afternoon is the better half for outdoor time. Horizontal visibility sits around 16.1 km, briefly nearer 15.8 km. Expect sunrise at 06:41, sunset at 18:53, and 12 hours 12 minutes of sunlight today overall.
Taken together, overcast skies in South Pasadena on September 15, 2026 favour indoor or covered options, with temperatures near 27°C.
Frequently asked questions about weather in South Pasadena
How warm does it get in South Pasadena?
The warmest month in South Pasadena 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 South Pasadena?
The coldest month in South Pasadena 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 South Pasadena?
The wettest month in South Pasadena is January, with an average of 82mm of precipitation.
What is the driest time of year in South Pasadena?
The driest month in South Pasadena is July, with an average of 1mm of precipitation.
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