Monte Sereno, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monte Sereno, a city in Santa Clara County, California.
This Afternoon
64°F
Chance Light Rain
A chance of rain. Partly sunny. High near 64, with temperatures falling to around 60 in the afternoon. South wind 2 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Monte Sereno
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Chance Light Rain | 2 to 8 mph S | 53% |
| Tonight | 49°F | Chance Light Rain then Patchy Fog | 1 to 5 mph SSE | 30% |
| Wednesday | 67°F | Sunny | 2 to 9 mph NW | 1% |
| Wednesday Night | 49°F | Mostly Cloudy then Patchy Fog | 1 to 8 mph NNW | 0% |
| Thursday | 72°F | Patchy Fog then Sunny | 1 to 7 mph NNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 0 to 6 mph N | 0% |
| Friday | 75°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 51°F | Clear | 0 to 5 mph N | 0% |
| Saturday | 79°F | Sunny | 2 mph N | 0% |
| Saturday Night | 51°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 77°F | Mostly Sunny | 3 mph N | 0% |
| Sunday Night | 51°F | Partly Cloudy | 3 mph NNW | 0% |
| Monday | 74°F | Partly Sunny | 1 to 6 mph NNW | 1% |
| Monday Night | 50°F | Partly Cloudy | 0 to 6 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Monte Sereno (37.240, -121.988). Updated through the day.
Growing snapshot for Monte Sereno
Last spring frost
Feb 2
First fall frost
Dec 6
Growing season
310 days
Hardiness zone
9b
More local growing data for Monte Sereno: nearby ZIP 95030 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Los Gatos, Ca (1.5 mi from Monte Sereno). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.