San Lorenzo River Mouth Weather Forecast
- 59
- 76
Increasing Clouds
- 58
- 77
Mostly Sunny
- 58
- 80
Mostly Sunny
- 60
- 81
Mostly Sunny
- 60
- 82
Mostly Sunny
- 59
- 82
Mostly Sunny
- 57
- 78
Mostly Sunny
Today 12 Sep Northern Monterey Bay
Sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.
Tonight 12 Sep Northern Monterey Bay
Mostly clear in the evening then becoming mostly cloudy. A slight chance of rain. Patchy fog after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph in the evening becoming light.
San Lorenzo River Mouth Temperature Statistics
September Temperature
Watsonville, Watsonville Municipal Airport (12.4 miles)
Lowest 7 September, 2025
54 °FAverage September
63.9 °FHighest 1 September, 2025
84.9 °F
Climate (2020–Present)
Watsonville, Watsonville Municipal Airport (12.4 miles)
Average Low 2020–2025
47.2 °FAverage 2020–2025
56.6 °FAverage High 2020–2025
67.9 °F