Pacheco Weather Forecast
- 56
- 77
Partly Sunny
- 58
- 80
Mostly Sunny
- 62
- 88
Mostly Sunny
- 60
- 88
Partly Sunny
- 57
- 81
Mostly Sunny
- 55
- 80
Mostly Sunny
Today 21 Sep Santa Clara Valley Including San Jose
Mostly cloudy in the morning then becoming sunny. Highs in the upper 70s. Southeast Winds up to 5 Mph. Becoming west in the afternoon.
Tonight 21 Sep Santa Clara Valley Including San Jose
Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph. Becoming south after midnight.
Pacheco Temperature Statistics
September Temperature
San Jose / Reid / Hillv (3.1 miles)
Lowest 7 September, 2026
53.6 °FAverage September
72.6 °FHighest 9 September, 2026
98.6 °F
Climate (2021–2026)
San Jose / Reid / Hillv (3.1 miles)
Average Low 2021–2026
52.1 °FAverage 2021–2026
63.7 °FAverage High 2021–2026
72.2 °F