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Plan your week in Sierra County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Sierra County 7-Day Weather Forecast

Friday, Oct 23, 2026

Nighttime
33°F

Mainly Clear

Feels like 33°F

Humidity

99%

Wind Speed

3.8 mph

Precipitation

0 in

Pressure

1018 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

100%

Dew Point

24°F

7-Day Weather Forecast

Today

Oct 23

Mainly Clear
46°H
32°L
6%

Sat

Oct 24

Mainly Clear
52°H
26°L
0%

Sun

Oct 25

Mainly Clear
53°H
31°L
0%

Mon

Oct 26

Mainly Clear
47°H
34°L
0%

Tue

Oct 27

Mainly Clear
44°H
28°L
0%

Wed

Oct 28

Mainly Clear
47°H
26°L
0%

Thu

Oct 29

Mainly Clear
51°H
30°L
0%

24-Hour Forecast

9 AM

33°

6%

10 AM

34°

6%

11 AM

34°

0%

12 PM

34°

3%

1 PM

34°

0%

2 PM

33°

0%

3 PM

32°

0%

4 PM

34°

0%

5 PM

36°

0%

6 PM

39°

0%

7 PM

42°

0%

8 PM

44°

0%

9 PM

45°

0%

10 PM

46°

0%

11 PM

45°

0%

12 AM

42°

0%

1 AM

38°

0%

2 AM

35°

0%

3 AM

35°

0%

4 AM

34°

0%

5 AM

33°

0%

6 AM

32°

0%

7 AM

31°

0%

8 AM

30°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

235.8° SW

Sustained Wind

3.8 mph

Wind Gusts

3.8 mph

7-Day Temp Range

Week's Hottest

53°F

Max Rain Prob

6%

Expected 7-Day Swings

26°
53°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Sierra County · 39.59°N, 120.55°W
Radar Page
Coordinates39.5892°N, 120.5531°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Sierra County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Sierra County Climate & Weather

Weather forecast for Sierra County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.