Placer County, CA Weather Forecast
County weather hub
Sunny
Compare major city weather across Placer County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 90.
County Weather Overview
This county weather page brings together forecast coverage for Placer County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Placer County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 16 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 3:47 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Placer County
Thursday looks like the warmest upcoming period in Placer County at 90 degrees F.
Thursday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Thursday at about 1 to 7 mph SE.
The forecast from Jul 16 through Jul 17 stays mostly dry.
Forecast Details
- Last updated
- Jul 11, 2026 3:47 AM PDT
- Coverage
- 2 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 70.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny
|
90°F |
1 to 7 mph
SE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
70°F |
1 to 7 mph
SSW
|
|
Friday
Jul 17
|
Sunny
|
89°F |
1 to 7 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Placer County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Placer County.
Largest mapped city population in this region: 144,725.
