California · NWS MTR office

Greenfield, CA weather

It is 49°F at PINNACLES as of Oct 27, 10:37 PM PDT. Tonight: Partly Cloudy then Patchy Fog, low near 45°F. Forecast from the National Weather Service, issued Oct 27, 11:26 PM PDT.

Updated Oct 27, 11:32 PM PDT (snapshot)

Current conditions

Temperature

49°F

Mostly Cloudy

Wind

N 1 mph, gusts 5 mph

Humidity 79% · dew point 43°F

Pressure · visibility

—

Visibility —

Observed at PINNACLES (PCLC1), Oct 27, 10:37 PM PDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS MTR forecast area

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

  • 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 Greenfield (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM53°FMostly Cloudy0%WNW 7 mph
Wed 12 AM52°FMostly Cloudy0%WNW 6 mph
Wed 1 AM51°FMostly Cloudy0%WNW 5 mph
Wed 2 AM49°FMostly Cloudy0%WNW 5 mph
Wed 3 AM48°FMostly Cloudy0%NW 3 mph
Wed 4 AM47°FPartly Cloudy0%NW 2 mph
Wed 5 AM45°FPatchy Fog0%NNW 2 mph
Wed 6 AM45°FPatchy Fog0%N 2 mph
Wed 7 AM45°FPatchy Fog0%E 2 mph
Wed 8 AM45°FPatchy Fog0%ESE 2 mph
Wed 9 AM50°FPatchy Fog0%W 2 mph
Wed 10 AM54°FSunny0%WNW 2 mph
Wed 11 AM58°FSunny0%WNW 2 mph
Wed 12 PM63°FSunny0%WNW 2 mph
Wed 1 PM66°FSunny0%WNW 2 mph
Wed 2 PM68°FSunny0%WNW 5 mph
Wed 3 PM68°FSunny0%NW 5 mph
Wed 4 PM68°FSunny0%NW 5 mph
Wed 5 PM67°FPartly Sunny0%NW 3 mph
Wed 6 PM64°FMostly Cloudy0%NW 3 mph
Wed 7 PM60°FMostly Cloudy0%NW 3 mph
Wed 8 PM58°FMostly Cloudy0%NW 1 mph
Wed 9 PM57°FMostly Cloudy0%NW 1 mph
Wed 10 PM56°FMostly Cloudy0%NW 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 Greenfield can differ.

7-day forecast

Tonight

Low 45°F

Patchy fog after 5am. Partly cloudy, with a low around 45. North northwest wind 2 to 7 mph.

Wednesday

High 69°F·Low 48°F

Patchy fog before 10am. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. North wind around 5 mph.

Wednesday Night: Mostly cloudy, with a low around 48. West northwest wind around 3 mph.

Thursday

High 68°F·Low 49°F

Partly sunny, with a high near 68. South southeast wind 1 to 7 mph.

Thursday Night: Areas of fog after 11pm. Mostly cloudy, with a low around 49. West northwest wind 1 to 7 mph.

Friday

High 66°F·Low 46°F

Patchy fog before 11am. Mostly sunny, with a high near 66.

Friday Night: Patchy fog after 11pm. Partly cloudy, with a low around 46.

Saturday

High 63°F·Low 45°F

Patchy fog before 11am, then a chance of rain. Mostly cloudy, with a high near 63.

Saturday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 45.

Sunday

High 65°F·Low 44°F

Mostly sunny, with a high near 65.

Sunday Night: Mostly clear, with a low around 44.

Monday

High 68°F·Low 47°F

Mostly sunny, with a high near 68.

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

Tuesday

High 70°F

A slight chance of rain after 10am. Mostly sunny, with a high near 70.

Nearby cities

Larger cities in the area

Other cities in Monterey County

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

About this forecast

Forecast office
Greenfield is served by the National Weather Service MTR forecast office, forecast zone CAZ516, county zone CAC053.
Location used
The Census Bureau's internal point for Greenfield (36.3240, -121.2437), in Monterey County. Population: 21,042 (2024 estimate), number 295 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/36.324,-121.2437 (forecast issued Oct 27, 11:26 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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