Milpitas, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milpitas, a city in Santa Clara County, California.
This Afternoon
65°F
Chance Light Rain
A chance of rain. Partly sunny. High near 65, with temperatures falling to around 61 in the afternoon. South wind 2 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Milpitas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Chance Light Rain | 2 to 7 mph S | 43% |
| Tonight | 48°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph ESE | 26% |
| Wednesday | 67°F | Patchy Fog then Sunny | 1 to 9 mph NNW | 1% |
| Wednesday Night | 49°F | Patchy Fog | 1 to 7 mph NNE | 0% |
| Thursday | 70°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NNE | 0% |
| Thursday Night | 48°F | Mostly Clear | 1 to 5 mph N | 0% |
| Friday | 73°F | Sunny | 1 to 5 mph NNE | 0% |
| Friday Night | 51°F | Clear | 0 to 5 mph NE | 0% |
| Saturday | 76°F | Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Sunday | 74°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Monday | 72°F | Partly Sunny | 0 to 6 mph NNW | 1% |
| Monday Night | 50°F | Partly Cloudy | 0 to 6 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Milpitas (37.433, -121.891). Updated through the day.
Growing snapshot for Milpitas
Last spring frost
Jan 12
First fall frost
Dec 22
Growing season
347 days
Hardiness zone
10a
More local growing data for Milpitas: nearby ZIP 95035 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Jose, Ca (6.2 mi from Milpitas). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.