Milpitas, CA Weather & Growing Conditions
Tonight
56°F
Mostly Clear
Mostly clear, with a low around 56. Northwest wind 1 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Clear | 1 to 9 mph NW | 0% |
| Saturday | 82°F | Sunny | 1 to 9 mph WNW | 0% |
| Saturday Night | 57°F | Mostly Cloudy | 2 to 7 mph WSW | 0% |
| Sunday | 76°F | Partly Sunny | 2 to 7 mph WSW | 2% |
| Sunday Night | 55°F | Mostly Cloudy | 2 to 7 mph WSW | 2% |
| Monday | 78°F | Patchy Fog then Mostly Sunny | 2 to 7 mph WSW | 0% |
| Monday Night | 57°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Tuesday | 82°F | Sunny | 2 to 7 mph WSW | 0% |
| Tuesday Night | 59°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Wednesday | 90°F | Sunny | 0 to 7 mph N | 0% |
| Wednesday Night | 64°F | Mostly Clear | 1 to 7 mph WSW | 0% |
| Thursday | 91°F | Sunny | 1 to 8 mph W | 0% |
| Thursday Night | 63°F | Mostly Clear | 2 to 8 mph W | 0% |
| Friday | 85°F | Sunny | 2 to 9 mph WSW | 0% |
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 Sep 19, 2026.