California · NWS MTR office

Milpitas, CA weather

It is 54°F and clear at San Jose, San Jose International Airport as of Oct 27, 11:00 PM PDT. Tonight: Patchy Fog, low near 45°F. Forecast from the National Weather Service, issued Oct 27, 3:07 PM PDT.

Updated Oct 27, 11:20 PM PDT (snapshot)

Current conditions

Temperature

54°F

Clear

Wind

S 5 mph

Humidity 71% · dew point 45°F

Pressure · visibility

30.02 inHg

Visibility 10 mi

Observed at San Jose, San Jose International Airport (KSJC), Oct 27, 11:00 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Milpitas forecast zone right now.

Around the NWS MTR forecast area

2 active alerts cover zones served by the MTR office near Milpitas:

  • Coastal Flood Advisory (2)

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. California has 8 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Milpitas (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM52°FPatchy Fog0%ESE 2 mph
Wed 12 AM51°FPatchy Fog0%ESE 1 mph
Wed 1 AM50°FPatchy Fog0%ESE 1 mph
Wed 2 AM49°FPatchy Fog0%E 1 mph
Wed 3 AM47°FPatchy Fog0%ENE 1 mph
Wed 4 AM47°FPatchy Fog0%ENE 1 mph
Wed 5 AM46°FPatchy Fog0%SE 2 mph
Wed 6 AM46°FPatchy Fog0%NE 2 mph
Wed 7 AM46°FPatchy Fog0%NE 2 mph
Wed 8 AM46°FPatchy Fog0%SE 2 mph
Wed 9 AM52°FPatchy Fog0%W 2 mph
Wed 10 AM57°FSunny0%W 2 mph
Wed 11 AM61°FSunny0%WNW 2 mph
Wed 12 PM65°FSunny0%NW 3 mph
Wed 1 PM66°FSunny0%NW 5 mph
Wed 2 PM68°FSunny0%WNW 6 mph
Wed 3 PM68°FSunny0%NW 7 mph
Wed 4 PM68°FMostly Sunny0%NW 7 mph
Wed 5 PM66°FMostly Sunny0%NW 5 mph
Wed 6 PM64°FPartly Cloudy0%NW 5 mph
Wed 7 PM60°FPartly Cloudy0%NW 5 mph
Wed 8 PM58°FMostly Cloudy0%N 1 mph
Wed 9 PM56°FMostly Cloudy0%N 1 mph
Wed 10 PM55°FMostly Cloudy0%N 1 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Milpitas can differ.

7-day forecast

Tonight

Low 45°F

Patchy fog. Partly cloudy, with a low around 45. East southeast wind around 2 mph.

Wednesday

High 68°F·Low 49°F

Patchy fog before 10am. Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. Northwest wind 2 to 7 mph.

Wednesday Night: Mostly cloudy, with a low around 49. Northeast wind 1 to 5 mph.

Thursday

High 68°F·Low 48°F

Mostly cloudy, with a high near 68. West wind 0 to 5 mph.

Thursday Night: Patchy fog after 5am. Mostly cloudy, with a low around 48. South southwest wind 1 to 5 mph.

Friday

High 65°F·Low 45°F

Patchy fog before 10am. Mostly sunny, with a high near 65.

Friday Night: Patchy fog after 3am. Partly cloudy, with a low around 45.

Saturday

High 62°F·Low 44°F

Patchy fog before 10am, then a slight chance of rain. Partly sunny, with a high near 62.

Saturday Night: A slight chance of rain before 2am, then patchy fog and a slight chance of rain. Partly cloudy, with a low around 44.

Sunday

High 65°F·Low 45°F

Patchy fog before 9am. Sunny, with a high near 65.

Sunday Night: Mostly clear, with a low around 45.

Monday

High 69°F·Low 49°F

Mostly sunny, with a high near 69.

Monday Night: A slight chance of rain after 4am. Partly cloudy, with a low around 49.

Tuesday

High 69°F

A chance of rain before 5pm. Partly sunny, with a high near 69.

Nearby cities

Larger cities in the area

Other cities in Santa Clara County

See every city we cover in California, or check all active alerts.

About this forecast

Forecast office
Milpitas is served by the National Weather Service MTR forecast office, forecast zone CAZ513, county zone CAC085.
Location used
The Census Bureau's internal point for Milpitas (37.4331, -121.8909), in Santa Clara County. Population: 79,746 (2024 estimate), number 108 of the 296 California cities on this site.
Radar
Nearest NWS radar: KMUX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/37.4331,-121.8909 (forecast issued Oct 27, 3:07 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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