Pasadena Weather Forecast
- 66
- 95
Gradual Clearing
- 65
- 93
Rain Showers Likely
- 64
- 86
Rain Showers Likely
- 65
- 84
Slight Chance Thunderstorms
- 63
- 88
Mostly Sunny
- 64
- 90
Mostly Sunny
Today 16 Sep Los Angeles County San Gabriel Valley
Low Clouds and fog in the morning then sunny. Highs in the lower to mid 90s.
Tonight 16 Sep Los Angeles County San Gabriel Valley
Mostly clear. Lows in the mid 60s to around 70.
Pasadena Temperature Statistics
September Temperature
El Monte (7.5 miles)
Lowest 9 September, 2025
66.2 °FAverage September
81.3 °FHighest 2 September, 2025
100.4 °F
Climate (2020–Present)
El Monte (7.5 miles)
Average Low 2020–2025
59.4 °FAverage 2020–2025
70.3 °FAverage High 2020–2025
77.1 °F