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Planning ahead in Sonoma County? Our extended 14-Day Weather Forecast provides comprehensive 2-week predictions, including daily temperature highs/lows, precipitation probabilities, and long-term atmospheric trend outlooks.

Sonoma County 14-Day Weather Forecast

Sunday, Oct 18, 2026

Daytime
73°F

Sunny / Clear

Feels like 73°F

Humidity

40%

Wind Speed

9.4 mph

Precipitation

0 in

Pressure

1015 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

10%

Dew Point

64°F

14-Day Extended Weather Forecast

Today

Oct 18

Sunny / Clear
78°H
73°L
0%

Mon

Oct 19

Sunny / Clear
69°H
50°L
0%

Tue

Oct 20

Sunny / Clear
67°H
48°L
18%

Wed

Oct 21

Sunny / Clear
67°H
51°L
0%

Thu

Oct 22

Sunny / Clear
65°H
50°L
0%

Fri

Oct 23

Sunny / Clear
70°H
51°L
0%

Sat

Oct 24

Sunny / Clear
72°H
45°L
0%

Sun

Oct 25

Sunny / Clear
65°H
53°L
0%

Mon

Oct 26

Sunny / Clear
58°H
45°L
0%

Tue

Oct 27

Sunny / Clear
53°H
41°L
0%

Wed

Oct 28

Sunny / Clear
60°H
60°L
0%

Air Quality (AQI)

47Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5

5.2 µg/m³

PM10

7.3 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

First Quarter

First Quarter

Wind Conditions & Storm Tracking

Wind Direction

147.5° SSE

Sustained Wind

9.4 mph

Wind Gusts

9.4 mph

14-Day Temp Range

Expected 14-Day Swings

41°
78°

High and low limits expected over the next two weeks.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Sonoma County · 38.45°N, 122.87°W
Radar Page
Coordinates38.4512°N, 122.8666°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)47Good
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

Our 14-day forecast for Sonoma County shows detailed long-term predictions, including daily high and low temperatures, precipitation chances, and overall weather patterns.

About Sonoma County Climate & Weather

Weather forecast for Sonoma 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.