University South Weather Forecast
- 63
- 81
Chance Rain Showers
- 61
- 80
Slight Chance Rain Showers
- 61
- 81
Mostly Sunny
- 61
- 83
Mostly Sunny
- 64
- 88
Mostly Sunny
- 63
- 83
Slight Chance Rain Showers
Today 18 Sep San Francisco Bay Shoreline
Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers and isolated Thunderstorms in the afternoon. Highs in the mid 70s to lower 80s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.
Tonight 18 Sep San Francisco Bay Shoreline
Mostly cloudy. A chance of Showers and isolated Thunderstorms. Lows in the mid 60s. West Winds 5 to 15 Mph.
University South Temperature Statistics
September Temperature
Palo Alto Airport (2.5 miles)
Lowest 1 September, 2025
57.2 °FAverage September
69.8 °FHighest 15 September, 2025
84.2 °F
Climate (2020–Present)
Palo Alto Airport (2.5 miles)
Average Low 2020–2025
50.9 °FAverage 2020–2025
60.5 °FAverage High 2020–2025
67.2 °F