California · NWS MTR office

Gilroy, CA weather

It is 50°F and clear at Hollister, CA as of Oct 27, 10:35 PM PDT. Tonight: Partly Cloudy, low near 45°F. Forecast from the National Weather Service, issued Oct 27, 3:07 PM PDT.

Updated Oct 27, 11:21 PM PDT (snapshot)

Current conditions

Temperature

50°F

Clear

Wind

Calm

Humidity 71% · dew point 41°F

Pressure · visibility

30.04 inHg

Visibility 10 mi

Observed at Hollister, CA (KCVH), Oct 27, 10:35 PM PDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS MTR forecast area

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

  • 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 Gilroy (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM52°FPartly Cloudy0%WNW 3 mph
Wed 12 AM51°FPartly Cloudy0%NW 3 mph
Wed 1 AM50°FMostly Clear0%NW 3 mph
Wed 2 AM49°FPartly Cloudy0%NNW 3 mph
Wed 3 AM48°FPartly Cloudy0%NNW 3 mph
Wed 4 AM47°FPartly Cloudy0%NNW 3 mph
Wed 5 AM46°FPartly Cloudy0%NNW 3 mph
Wed 6 AM46°FMostly Sunny0%NW 5 mph
Wed 7 AM46°FMostly Sunny0%NNW 5 mph
Wed 8 AM46°FSunny0%NNW 6 mph
Wed 9 AM51°FSunny0%NNW 3 mph
Wed 10 AM57°FSunny0%NNW 2 mph
Wed 11 AM62°FSunny0%N 1 mph
Wed 12 PM67°FSunny0% 0 mph
Wed 1 PM70°FSunny0% 0 mph
Wed 2 PM72°FSunny0% 0 mph
Wed 3 PM73°FSunny0% 0 mph
Wed 4 PM72°FMostly Sunny0% 0 mph
Wed 5 PM71°FPartly Sunny0%NW 2 mph
Wed 6 PM68°FMostly Cloudy0%NW 2 mph
Wed 7 PM64°FMostly Cloudy0%NW 2 mph
Wed 8 PM61°FMostly Cloudy0%N 5 mph
Wed 9 PM59°FMostly Cloudy0%N 5 mph
Wed 10 PM57°FMostly Cloudy0%N 5 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 Gilroy can differ.

7-day forecast

Tonight

Low 45°F

Partly cloudy, with a low around 45. Northwest wind around 3 mph.

Wednesday

High 73°F·Low 50°F

Sunny. High near 73, with temperatures falling to around 71 in the afternoon. North northwest wind 0 to 6 mph.

Wednesday Night: Mostly cloudy, with a low around 50. North wind 2 to 6 mph.

Thursday

High 70°F·Low 50°F

Mostly cloudy, with a high near 70. East southeast wind 1 to 5 mph.

Thursday Night: Patchy fog after 5am. Mostly cloudy, with a low around 50. Southwest wind 1 to 5 mph.

Friday

High 68°F·Low 47°F

Patchy fog before 10am. Mostly sunny, with a high near 68.

Friday Night: Partly cloudy, with a low around 47.

Saturday

High 65°F·Low 46°F

A slight chance of rain after 5pm. Partly sunny, with a high near 65.

Saturday Night: A slight chance of rain before 4am. Partly cloudy, with a low around 46.

Sunday

High 68°F·Low 46°F

Sunny, with a high near 68.

Sunday Night: Mostly clear, with a low around 46.

Monday

High 73°F·Low 49°F

Sunny, with a high near 73.

Monday Night: Partly cloudy, with a low around 49.

Tuesday

High 72°F

A chance of rain between 10am and 5pm. Mostly sunny, with a high near 72.

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
Gilroy 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 Gilroy (37.0064, -121.5853), in Santa Clara County. Population: 60,390 (2024 estimate), number 150 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/37.0064,-121.5853 (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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