Majestic Weather Forecast
- 63
- 82
Chance Rain Showers
- 61
- 79
Chance Rain Showers
- 60
- 81
Mostly Sunny
- 62
- 83
Mostly Sunny
- 63
- 88
Partly Sunny
- 60
- 79
Chance Rain Showers
Today 18 Sep Santa Clara Valley Including San Jose
Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers and isolated Thunderstorms in the afternoon. Highs in the lower 80s. South Winds 5 to 10 Mph.
Tonight 18 Sep Santa Clara Valley Including San Jose
Mostly cloudy. A chance of Showers and isolated Thunderstorms. Lows in the lower 60s. Southwest Winds around 5 Mph.
Majestic Temperature Statistics
September Temperature
San Jose, San Jose International Airport (5 miles)
Lowest 3 September, 2025
60.1 °FAverage September
68.9 °FHighest 15 September, 2025
90 °F
Climate (2020–Present)
San Jose, San Jose International Airport (5 miles)
Average Low 2020–2025
51.8 °FAverage 2020–2025
61.6 °FAverage High 2020–2025
72.6 °F