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Planning ahead in San Joaquin 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.

San Joaquin County 14-Day Weather Forecast

Tuesday, Oct 20, 2026

Nighttime
57°F

Partly Cloudy

Feels like 57°F

Humidity

72%

Wind Speed

4.9 mph

Precipitation

0 in

Pressure

1012 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

91%

Dew Point

48°F

14-Day Extended Weather Forecast

Today

Oct 20

Partly Cloudy
72°H
53°L
0%

Wed

Oct 21

Partly Cloudy
72°H
57°L
0%

Thu

Oct 22

Partly Cloudy
74°H
54°L
0%

Fri

Oct 23

Partly Cloudy
74°H
53°L
0%

Sat

Oct 24

Partly Cloudy
71°H
51°L
0%

Sun

Oct 25

Partly Cloudy
74°H
52°L
0%

Mon

Oct 26

Partly Cloudy
80°H
54°L
0%

Tue

Oct 27

Partly Cloudy
83°H
56°L
0%

Wed

Oct 28

Partly Cloudy
79°H
57°L
0%

Thu

Oct 29

Partly Cloudy
79°H
58°L
0%

Air Quality (AQI)

57Moderate

Air quality is acceptable. However, there may be a risk for some people.

PM2.5

12.5 µg/m³

PM10

22.1 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

296.5° WNW

Sustained Wind

4.9 mph

Wind Gusts

4.9 mph

14-Day Temp Range

Expected 14-Day Swings

51°
83°

High and low limits expected over the next two weeks.

Location View

San Joaquin County · 37.97°N, 121.21°W
Radar Page
Coordinates37.9719°N, 121.2115°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)57Moderate
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

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

About San Joaquin County Climate & Weather

Weather forecast for San Joaquin 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.