Santa Cruz Weather Forecast
- 61
- 84
Mostly Sunny
- 61
- 85
Mostly Sunny
- 60
- 83
Partly Sunny
- 60
- 77
Chance Rain Showers
- 60
- 77
Slight Chance Rain Showers
- 59
- 76
Partly Sunny
- 59
- 77
Partly Sunny
Today 15 Sep Northern Monterey Bay
Sunny. Highs in the lower 80s. Southwest Winds around 5 Mph.
Tonight 15 Sep Northern Monterey Bay
Partly cloudy. Lows in the upper 50s. Light Winds.
Santa Cruz Temperature Statistics
September Temperature
Watsonville, Watsonville Municipal Airport (13 miles)
Lowest 7 September, 2025
54 °FAverage September
63.7 °FHighest 1 September, 2025
84.9 °F
Climate (2020–Present)
Watsonville, Watsonville Municipal Airport (13 miles)
Average Low 2020–2025
47.2 °FAverage 2020–2025
56.6 °FAverage High 2020–2025
67.9 °F