California · NWS STO office

Rocklin, CA weather

It is 45°F and clear at Lincoln Regional Karl Harder Field as of Oct 27, 10:35 PM PDT. Tonight: Clear, low near 43°F. Forecast from the National Weather Service, issued Oct 27, 9:01 PM PDT.

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

Current conditions

Temperature

45°F

Clear · feels like 41°F

Wind

NE 6 mph

Humidity 87% · dew point 41°F

Pressure · visibility

30.00 inHg

Visibility 10 mi

Observed at Lincoln Regional Karl Harder Field (KLHM), Oct 27, 10:35 PM PDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS STO forecast area

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

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 Rocklin (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM52°FMostly Clear0%ENE 2 mph
Wed 12 AM50°FClear0%ENE 2 mph
Wed 1 AM49°FClear0%ENE 1 mph
Wed 2 AM48°FClear0%NE 2 mph
Wed 3 AM47°FClear0%NE 2 mph
Wed 4 AM45°FClear0%NNE 2 mph
Wed 5 AM45°FClear0%N 2 mph
Wed 6 AM44°FSunny0%N 2 mph
Wed 7 AM43°FSunny0%N 2 mph
Wed 8 AM44°FSunny0%N 2 mph
Wed 9 AM49°FSunny0%NNW 3 mph
Wed 10 AM55°FSunny0%WNW 3 mph
Wed 11 AM59°FSunny0%WNW 5 mph
Wed 12 PM63°FSunny0%WNW 5 mph
Wed 1 PM67°FSunny0%WNW 5 mph
Wed 2 PM68°FSunny0%WNW 5 mph
Wed 3 PM69°FSunny0%WNW 5 mph
Wed 4 PM70°FSunny0%WNW 5 mph
Wed 5 PM69°FSunny0%NW 3 mph
Wed 6 PM67°FMostly Clear0%WNW 2 mph
Wed 7 PM64°FMostly Clear0%NW 2 mph
Wed 8 PM59°FMostly Clear0%E 2 mph
Wed 9 PM56°FPartly Cloudy0%E 2 mph
Wed 10 PM54°FPartly Cloudy0%E 2 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 Rocklin can differ.

7-day forecast

Tonight

Low 43°F

Clear. Low around 43, with temperatures rising to around 45 overnight. Northeast wind around 2 mph.

Wednesday

High 70°F·Low 45°F

Sunny, with a high near 70. North northwest wind around 5 mph.

Wednesday Night: Partly cloudy. Low around 45, with temperatures rising to around 47 overnight. East northeast wind around 2 mph.

Thursday

High 68°F·Low 49°F

Mostly cloudy, with a high near 68. South southwest wind around 3 mph.

Thursday Night: Mostly cloudy, with a low around 49. South southeast wind around 3 mph.

Friday

High 68°F·Low 47°F

Mostly sunny, with a high near 68.

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

Saturday

High 65°F·Low 45°F

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

Saturday Night: A chance of rain before 4am. Mostly cloudy, with a low around 45.

Sunday

High 67°F·Low 44°F

Sunny, with a high near 67.

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 69°F

A slight chance of rain after 4pm. Partly sunny, with a high near 69.

Nearby cities

Larger cities in the area

Other cities in Placer County

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

About this forecast

Forecast office
Rocklin is served by the National Weather Service STO forecast office, forecast zone CAZ154, county zone CAC061.
Location used
The Census Bureau's internal point for Rocklin (38.8069, -121.2497), in Placer County. Population: 75,129 (2024 estimate), number 118 of the 296 California cities on this site.
Radar
Nearest NWS radar: KDAX. 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/38.8069,-121.2497 (forecast issued Oct 27, 9:01 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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