Placer County, CA Weather Forecast
County weather hub
Showers And Thunderstorms
Compare major city weather across Placer County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms. Mostly cloudy. High near 54, with temperatures falling to around 52 in the afternoon. South southwest wind 1 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
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
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:58 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Placer County
Wednesday looks like the warmest upcoming period in Placer County at 63 degrees F.
Saturday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Saturday at about 2 to 10 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:58 PM PDT
- Coverage
- 7 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
Showers and thunderstorms before 5am, then rain. Cloudy, with a low around 46. South wind 1 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Rain before 2pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 50. South wind 2 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Showers and thunderstorms before 11pm, then rain. Some of the storms could produce heavy rain. Cloudy, with a low around 38. Chance of precipitation is 100%.
Rain before 11am, then showers and thunderstorms. Cloudy, with a high near 44.
Showers and thunderstorms likely before 11pm, then a chance of rain. Mostly cloudy, with a low around 38.
A slight chance of rain before 5pm. Partly sunny, with a high near 51.
Mostly clear, with a low around 39.
Sunny, with a high near 58.
Mostly clear, with a low around 42.
Sunny, with a high near 63.
Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Showers And Thunderstorms
|
54°F |
1 to 6 mph
SSW
|
|
Friday Night
Apr 10
|
Showers And Thunderstorms
|
46°F |
1 to 5 mph
S
|
|
Saturday
Apr 11
|
Rain then Showers And Thunderstorms
|
50°F |
2 to 10 mph
S
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms then Rain
|
38°F |
2 to 9 mph
S
|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
44°F |
2 to 6 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely then Chance Light Rain
|
38°F |
0 to 5 mph
SE
|
|
Monday
Apr 13
|
Slight Chance Light Rain
|
51°F |
0 to 5 mph
WSW
|
|
Monday Night
Apr 13
|
Mostly Clear
|
39°F |
3 mph
N
|
|
Tuesday
Apr 14
|
Sunny
|
58°F |
1 to 5 mph
E
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
42°F |
3 mph
W
|
|
Wednesday
Apr 15
|
Sunny
|
63°F |
1 to 5 mph
WSW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
46°F |
3 mph
SW
|
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.