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.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 82 in the afternoon. North wind 1 to 8 mph.
7-day forecast for Monte Sereno
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 1 to 8 mph N | 0% |
| Tonight | 55°F | Mostly Cloudy | 1 to 7 mph NW | 0% |
| Sunday | 79°F | Mostly Cloudy | 1 to 5 mph N | 0% |
| Sunday Night | 55°F | Mostly Cloudy then Patchy Fog | 1 to 5 mph WNW | 0% |
| Monday | 81°F | Patchy Fog then Mostly Sunny | 1 to 5 mph WSW | 0% |
| Monday Night | 55°F | Partly Cloudy then Patchy Fog | 1 to 5 mph WSW | 0% |
| Tuesday | 83°F | Patchy Fog then Sunny | 1 to 6 mph W | 0% |
| Tuesday Night | 56°F | Mostly Clear | 0 to 6 mph WNW | 0% |
| Wednesday | 90°F | Sunny | 0 to 6 mph NW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Thursday | 93°F | Sunny | 0 to 6 mph NW | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 6 mph WNW | 0% |
| Friday | 87°F | Mostly Sunny | 1 to 8 mph W | 0% |
| Friday Night | 57°F | Partly Cloudy | 2 to 8 mph W | 1% |
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 Sep 19, 2026.