Milpitas, CA Weather & Growing Conditions
Tonight
50°F
Slight Chance Light Rain then Partly Cloudy
A slight chance of rain before 10pm. Partly cloudy, with a low around 50. East northeast wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Slight Chance Light Rain then Partly Cloudy | 3 to 7 mph ENE | 19% |
| Wednesday | 66°F | Patchy Fog then Sunny | 2 to 8 mph N | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Thursday | 70°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Thursday Night | 52°F | Mostly Clear | 1 to 5 mph NNE | 0% |
| Friday | 72°F | Sunny | 1 to 5 mph N | 0% |
| Friday Night | 54°F | Clear | 0 to 5 mph NE | 0% |
| Saturday | 75°F | Sunny | 3 mph NNE | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 3 mph ENE | 0% |
| Sunday | 74°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Monday | 71°F | Partly Sunny | 1 to 6 mph N | 1% |
| Monday Night | 54°F | Partly Cloudy | 1 to 6 mph NNE | 1% |
| Tuesday | 72°F | Mostly Sunny | 1 to 5 mph NNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Milpitas, CA
Last spring frost
Jan 12
First fall frost
Dec 22
Growing season
347 days
Hardiness zone
10a
Explore more for Milpitas, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, San Jose, Ca (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.