California · NWS STO office

Patterson, CA weather

It is 49°F at DIABLO GRANDE as of Oct 28, 2:00 AM PDT. Overnight: Mostly Clear, low near 50°F. Forecast from the National Weather Service, issued Oct 28, 2:01 AM PDT.

Updated Oct 28, 2:27 AM PDT (snapshot)

Current conditions

Temperature

49°F

Mostly Clear

Wind

NW 1 mph, gusts 3 mph

Humidity 81% · dew point 44°F

Pressure · visibility

—

Visibility —

Observed at DIABLO GRANDE (DBLC1), Oct 28, 2:00 AM PDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS STO forecast area

No active alerts in zones served by the STO office near Patterson.

From the alert snapshot of Oct 28, 2026, 5:12 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 Patterson (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM52°FMostly Clear0%NW 6 mph
Wed 5 AM51°FMostly Clear0%NW 7 mph
Wed 6 AM51°FSunny0%NW 8 mph
Wed 7 AM50°FSunny0%NW 9 mph
Wed 8 AM51°FSunny0%NW 9 mph
Wed 9 AM54°FSunny0%NW 10 mph
Wed 10 AM59°FSunny0%NNW 12 mph
Wed 11 AM63°FSunny0%NNW 12 mph
Wed 12 PM66°FSunny0%NNW 12 mph
Wed 1 PM67°FSunny0%NNW 10 mph
Wed 2 PM68°FSunny0%NNW 9 mph
Wed 3 PM69°FSunny0%NNW 8 mph
Wed 4 PM68°FMostly Sunny0%NNW 7 mph
Wed 5 PM67°FSunny0%NNW 6 mph
Wed 6 PM66°FPartly Cloudy0%NW 3 mph
Wed 7 PM61°FPartly Cloudy0%WNW 1 mph
Wed 8 PM59°FPartly Cloudy0%WNW 1 mph
Wed 9 PM58°FMostly Cloudy0%W 1 mph
Wed 10 PM57°FMostly Cloudy0%W 1 mph
Wed 11 PM56°FMostly Cloudy0%W 1 mph
Thu 12 AM56°FMostly Cloudy0%W 1 mph
Thu 1 AM55°FMostly Cloudy0% 0 mph
Thu 2 AM54°FMostly Cloudy0% 0 mph
Thu 3 AM54°FMostly Cloudy0% 0 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 Patterson can differ.

7-day forecast

Overnight

Low 50°F

Mostly clear, with a low around 50. Northwest wind 3 to 7 mph.

Wednesday

High 69°F·Low 51°F

Sunny, with a high near 69. Northwest wind 6 to 12 mph, with gusts as high as 22 mph.

Wednesday Night: Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. West northwest wind 0 to 3 mph.

Thursday

High 69°F·Low 53°F

Mostly cloudy, with a high near 69. Northeast wind 0 to 3 mph.

Thursday Night: Mostly cloudy, with a low around 53. West northwest wind around 2 mph.

Friday

High 69°F·Low 50°F

Mostly sunny, with a high near 69.

Friday Night: Partly cloudy, with a low around 50.

Saturday

High 65°F·Low 49°F

A slight chance of rain after 5pm. Mostly cloudy, with a high near 65.

Saturday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 49.

Sunday

High 65°F·Low 49°F

Sunny, with a high near 65.

Sunday Night: Mostly clear, with a low around 49.

Monday

High 67°F·Low 51°F

Mostly sunny, with a high near 67.

Monday Night: Partly cloudy, with a low around 51.

Tuesday

High 69°F

A slight chance of rain after 10am. Mostly sunny, with a high near 69.

Nearby cities

Larger cities in the area

Other cities in Stanislaus County

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

About this forecast

Forecast office
Patterson is served by the National Weather Service STO forecast office, forecast zone CAZ163, county zone CAC099.
Location used
The Census Bureau's internal point for Patterson (37.4759, -121.1539), in Stanislaus County. Population: 25,495 (2024 estimate), number 271 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/37.4759,-121.1539 (forecast issued Oct 28, 2:01 AM 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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