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 83.
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
- Oct 15 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 2:43 PM 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 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday Night at about 6 to 13 mph ENE.
The forecast from Oct 15 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 12, 2026 2:43 PM PDT
- Coverage
- 5 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
Clear, with a low around 63.
Sunny, with a high near 82.
Clear, with a low around 58.
Sunny, with a high near 79.
Clear, with a low around 58.
Sunny, with a high near 76.
Mostly clear, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
83°F |
6 mph
ENE
|
|
Thursday Night
Oct 15
|
Clear
|
63°F |
6 to 13 mph
ENE
|
|
Friday
Oct 16
|
Sunny
|
82°F |
0 to 6 mph
N
|
|
Friday Night
Oct 16
|
Clear
|
58°F |
1 to 9 mph
SSE
|
|
Saturday
Oct 17
|
Sunny
|
79°F |
1 to 5 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
58°F |
2 to 8 mph
SSE
|
|
Sunday
Oct 18
|
Sunny
|
76°F |
2 to 7 mph
SSE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
55°F |
1 to 8 mph
SE
|
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.
