What is the weather in San Joaquin right now?

Current weather in San Joaquin is clear sky.

Where can I find the hourly weather forecast for San Joaquin?

This page shows hourly weather forecast for San Joaquin, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for San Joaquin updated regularly?

Weather data for San Joaquin is updated regularly with the latest available observations and forecasts.

Now · 9:01 AM

San Joaquin Weather & Hourly Forecast

United States · California · 93660

72°F

Sunny

Feels like: 68°F

💧 Humidity 36% 🌡 Pressure 29.97 inHg 💨 Wind 5 mph 👁 Visibility 19.8 mi ☁ Clouds 0% ☀️ UV index 1.7 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for San Joaquin

Today

10:00 AM

Sunny

77° 💧 None 💨 6 mph H 30%29.97 inHg

1:00 PM

Sunny

89° 💧 None 💨 4 mph H 20%29.91 inHg

4:00 PM

Sunny

94° 💧 None 💨 2 mph H 17%29.85 inHg

7:00 PM

Sunny

89° 💧 None 💨 4 mph H 17%29.83 inHg

10:00 PM

Clear night

79° 💧 None 💨 4 mph H 21%29.88 inHg

Tomorrow

1:00 AM

Clear night

74° 💧 None 💨 5 mph H 31%29.88 inHg

4:00 AM

Clear night

72° 💧 None 💨 6 mph H 35%29.88 inHg

7:00 AM

Sunny

69° 💧 None 💨 5 mph H 40%29.94 inHg

10:00 AM

Sunny

84° 💧 None 💨 6 mph H 25%29.97 inHg

1:00 PM

Mostly sunny

96° 💧 None 💨 2 mph H 15%29.91 inHg

4:00 PM

Partly cloudy

100° 💧 None 💨 3 mph H 13%29.85 inHg

7:00 PM

Overcast

95° 💧 None 💨 4 mph H 14%29.85 inHg

10:00 PM

Mostly cloudy night

87° 💧 None 💨 6 mph H 18%29.91 inHg

Wednesday

1:00 AM

Partly cloudy night

82° 💧 None 💨 7 mph H 22%29.94 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 6 mph H 27%29.94 inHg

7:00 AM

Sunny

76° 💧 None 💨 7 mph H 31%30.00 inHg

Today

10:00 AM

Sunny

77° 💧 None 💨 6 mph H 30%29.97 inHg

11:00 AM

Sunny

82° 💧 None 💨 6 mph H 25%29.97 inHg

12:00 PM

Sunny

86° 💧 None 💨 5 mph H 23%29.94 inHg

1:00 PM

Sunny

89° 💧 None 💨 4 mph H 20%29.91 inHg

2:00 PM

Sunny

92° 💧 None 💨 3 mph H 19%29.88 inHg

3:00 PM

Sunny

93° 💧 None 💨 2 mph H 18%29.85 inHg

4:00 PM

Sunny

94° 💧 None 💨 2 mph H 17%29.85 inHg

5:00 PM

Sunny

94° 💧 None 💨 3 mph H 16%29.83 inHg

6:00 PM

Sunny

93° 💧 None 💨 4 mph H 16%29.83 inHg

7:00 PM

Sunny

89° 💧 None 💨 4 mph H 17%29.83 inHg

8:00 PM

Clear night

84° 💧 None 💨 3 mph H 18%29.83 inHg

9:00 PM

Clear night

82° 💧 None 💨 2 mph H 18%29.85 inHg

10:00 PM

Clear night

79° 💧 None 💨 4 mph H 21%29.88 inHg

11:00 PM

Clear night

77° 💧 None 💨 5 mph H 25%29.88 inHg

Tomorrow

12:00 AM

Clear night

76° 💧 None 💨 6 mph H 27%29.88 inHg

1:00 AM

Clear night

74° 💧 None 💨 5 mph H 31%29.88 inHg

2:00 AM

Clear night

73° 💧 None 💨 6 mph H 33%29.88 inHg

3:00 AM

Clear night

73° 💧 None 💨 7 mph H 34%29.88 inHg

4:00 AM

Clear night

72° 💧 None 💨 6 mph H 35%29.88 inHg

5:00 AM

Clear night

71° 💧 None 💨 6 mph H 37%29.91 inHg

6:00 AM

Clear night

70° 💧 None 💨 5 mph H 39%29.91 inHg

7:00 AM

Sunny

69° 💧 None 💨 5 mph H 40%29.94 inHg

8:00 AM

Sunny

73° 💧 None 💨 5 mph H 36%29.94 inHg

9:00 AM

Sunny

78° 💧 None 💨 5 mph H 30%29.97 inHg

10:00 AM

Sunny

84° 💧 None 💨 6 mph H 25%29.97 inHg

11:00 AM

Sunny

88° 💧 None 💨 5 mph H 21%29.97 inHg

12:00 PM

Sunny

93° 💧 None 💨 3 mph H 17%29.94 inHg

1:00 PM

Mostly sunny

96° 💧 None 💨 2 mph H 15%29.91 inHg

2:00 PM

Partly cloudy

98° 💧 None 💨 2 mph H 15%29.91 inHg

3:00 PM

Partly cloudy

99° 💧 None 💨 3 mph H 14%29.88 inHg

4:00 PM

Partly cloudy

100° 💧 None 💨 3 mph H 13%29.85 inHg

5:00 PM

Mostly cloudy

100° 💧 None 💨 5 mph H 13%29.85 inHg

6:00 PM

Mostly cloudy

99° 💧 None 💨 6 mph H 13%29.85 inHg

7:00 PM

Overcast

95° 💧 None 💨 4 mph H 14%29.85 inHg

8:00 PM

Overcast night

91° 💧 None 💨 5 mph H 15%29.88 inHg

9:00 PM

Overcast night

89° 💧 None 💨 5 mph H 16%29.91 inHg

10:00 PM

Mostly cloudy night

87° 💧 None 💨 6 mph H 18%29.91 inHg

11:00 PM

Mostly clear night

85° 💧 None 💨 7 mph H 19%29.91 inHg

Wednesday

12:00 AM

Mostly clear night

84° 💧 None 💨 8 mph H 20%29.94 inHg

1:00 AM

Partly cloudy night

82° 💧 None 💨 7 mph H 22%29.94 inHg

2:00 AM

Mostly clear night

82° 💧 None 💨 8 mph H 24%29.94 inHg

3:00 AM

Mostly clear night

80° 💧 None 💨 7 mph H 25%29.94 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 6 mph H 27%29.94 inHg

5:00 AM

Clear night

78° 💧 None 💨 6 mph H 29%29.97 inHg

6:00 AM

Clear night

76° 💧 None 💨 6 mph H 30%29.97 inHg

7:00 AM

Sunny

76° 💧 None 💨 7 mph H 31%30.00 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 7 mph H 28%30.00 inHg

9:00 AM

Sunny

85° 💧 None 💨 7 mph H 22%30.00 inHg

10:00 AM

Sunny

90° 💧 None 💨 9 mph H 19%30.00 inHg

11:00 AM

Sunny

94° 💧 None 💨 9 mph H 17%30.00 inHg

12:00 PM

Mostly sunny

99° 💧 None 💨 8 mph H 14%30.00 inHg

1:00 PM

Mostly cloudy

102° 💧 None 💨 7 mph H 12%29.97 inHg

2:00 PM

Mostly cloudy

104° 💧 None 💨 7 mph H 11%29.94 inHg

3:00 PM

Mostly cloudy

105° 💧 None 💨 8 mph H 11%29.91 inHg

4:00 PM

Mostly cloudy

105° 💧 None 💨 8 mph H 10%29.88 inHg

5:00 PM

Partly cloudy

105° 💧 None 💨 8 mph H 10%29.88 inHg

Thursday

2:00 AM

Clear night

83° 💧 None 💨 4 mph H 20%29.91 inHg

5:00 AM

Clear night

78° 💧 None 💨 4 mph H 25%29.91 inHg

8:00 AM

Sunny

82° 💧 None 💨 4 mph H 24%29.94 inHg

11:00 AM

Sunny

98° 💧 None 💨 4 mph H 13%29.91 inHg

2:00 PM

Mostly sunny

107° 💧 None 💨 7 mph H 12%29.83 inHg

5:00 PM

Mostly cloudy

107° 💧 None 💨 12 mph H 13%29.77 inHg

8:00 PM

Clear night

96° 💧 None 💨 11 mph H 18%29.80 inHg

11:00 PM

Clear night

86° 💧 None 💨 9 mph H 25%29.83 inHg

Friday

2:00 AM

Mostly clear night

81° 💧 None 💨 7 mph H 28%29.83 inHg

5:00 AM

Clear night

77° 💧 None 💨 7 mph H 32%29.83 inHg

8:00 AM

Sunny

77° 💧 None 💨 3 mph H 32%29.85 inHg

11:00 AM

Sunny

92° 💧 None 💨 2 mph H 18%29.85 inHg

2:00 PM

Sunny

102° 💧 None 💨 4 mph H 12%29.77 inHg

5:00 PM

Sunny

102° 💧 None 💨 9 mph H 11%29.71 inHg

8:00 PM

Clear night

90° 💧 None 💨 13 mph H 21%29.77 inHg

11:00 PM

Partly cloudy night

81° 💧 None 💨 10 mph H 32%29.80 inHg

Saturday

2:00 AM

Mostly cloudy night

74° 💧 None 💨 8 mph H 39%29.83 inHg

5:00 AM

Mostly clear night

70° 💧 None 💨 5 mph H 42%29.83 inHg

8:00 AM

Sunny

70° 💧 None 💨 2 mph H 39%29.88 inHg

11:00 AM

Sunny

85° 💧 None 💨 5 mph H 20%29.91 inHg

2:00 PM

Sunny

96° 💧 None 💨 7 mph H 10%29.85 inHg

5:00 PM

Sunny

97° 💧 None 💨 11 mph H 11%29.80 inHg

8:00 PM

Partly cloudy night

86° 💧 None 💨 12 mph H 20%29.83 inHg

11:00 PM

Clear night

78° 💧 None 💨 7 mph H 30%29.88 inHg

Sunday

5:00 AM

Clear night

77° 💧 None 💨 8 mph H 30%29.88 inHg

11:00 AM

Sunny

65° 💧 None 💨 5 mph H 37%29.88 inHg

5:00 PM

Sunny

79° 💧 None 💨 5 mph H 24%29.94 inHg

11:00 PM

Partly cloudy night

91° 💧 None 💨 10 mph H 11%29.80 inHg

Monday

5:00 AM

Partly cloudy night

77° 💧 None 💨 5 mph H 23%29.83 inHg

11:00 AM

Sunny

66° 💧 None 💨 1 mph H 44%29.83 inHg

5:00 PM

Sunny

86° 💧 None 💨 6 mph H 17%29.85 inHg

11:00 PM

Clear night

97° 💧 None 💨 6 mph H 7%29.74 inHg

Tuesday

5:00 AM

Clear night

78° 💧 None 💨 5 mph H 13%29.83 inHg

11:00 AM

Sunny

69° 💧 None 💨 4 mph H 32%29.85 inHg

5:00 PM

Sunny

87° 💧 None 💨 4 mph H 17%29.88 inHg

11:00 PM

Clear night

101° 💧 None 💨 2 mph H 7%29.77 inHg

Wednesday

5:00 AM

Clear night

79° 💧 None 💨 8 mph H 25%29.88 inHg

11:00 AM

Partly cloudy

66° 💧 None 💨 4 mph H 49%29.94 inHg

5:00 PM

Mostly cloudy

80° 💧 None 💨 4 mph H 30%30.00 inHg

11:00 PM

Clear night

95° 💧 None 💨 4 mph H 17%29.85 inHg

Thursday

5:00 AM

Clear night

76° 💧 None 💨 10 mph H 32%29.97 inHg

11:00 AM

Sunny

66° 💧 None 💨 6 mph H 52%30.00 inHg

5:00 PM

Sunny

79° 💧 None 💨 5 mph H 31%30.06 inHg

11:00 PM

Clear night

94° 💧 None 💨 6 mph H 16%29.91 inHg

Friday

5:00 AM

Clear night

78° 💧 None 💨 10 mph H 31%30.00 inHg

11:00 AM

Sunny

68° 💧 None 💨 7 mph H 43%30.00 inHg

5:00 PM

Sunny

83° 💧 None 💨 6 mph H 25%30.03 inHg

11:00 PM

Clear night

96° 💧 None 💨 6 mph H 14%29.88 inHg

Saturday

5:00 AM

Clear night

81° 💧 None 💨 9 mph H 28%29.91 inHg

11:00 AM

Sunny

71° 💧 None 💨 5 mph H 36%29.91 inHg

5:00 PM

Sunny

88° 💧 None 💨 4 mph H 18%29.91 inHg

11:00 PM

Clear night

100° 💧 None 💨 4 mph H 14%29.77 inHg

Sunday

5:00 AM

Clear night

83° 💧 None 💨 8 mph H 26%29.83 inHg

11:00 AM

Sunny

71° 💧 None 💨 5 mph H 44%29.85 inHg

5:00 PM

Sunny

84° 💧 None 💨 5 mph H 27%29.91 inHg

11:00 PM

Clear night

97° 💧 None 💨 5 mph H 14%29.77 inHg

Monday

5:00 AM

Clear night

78° 💧 None 💨 9 mph H 33%29.88 inHg

11:00 AM

Sunny

66° 💧 None 💨 7 mph H 61%29.94 inHg

5:00 PM

Partly cloudy

78° 💧 None 💨 5 mph H 39%30.00 inHg

11:00 PM

Clear night

92° 💧 None 💨 8 mph H 19%29.88 inHg

In San Joaquin and, more broadly, across the state of California: Today begins with clear skies and warm temperatures, with the morning starting around 59 degrees. As the day progresses, temperatures will climb into the upper 80s to low 90s, making for a hot afternoon. Light northwest winds, averaging around 8 mph with gusts up to 10 mph, will provide some relief from the heat. No precipitation is expected, so outdoor plans should be comfortable under the sunny sky. It’s a good day to stay hydrated and protect yourself from the sun during peak afternoon hours.

15-Day Weather Outlook for San Joaquin

TomorrowTomorrow

Mostly sunny 100°/69° 💧 None 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 105°/76° 💧 None 💨 9 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 107°/78° 💧 None 💨 8 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 107°/77° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 102°/70° 💧 None 💨 13 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 97°/65° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 91°/66° 💧 None 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Sunny 97°/69° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 101°/66° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 95°/66° 💧 None 💨 10 mph

Friday, Sep 18Fri Sep 18

Sunny 94°/68° 💧 None 💨 10 mph

Saturday, Sep 19Sat Sep 19

Sunny 96°/71° 💧 None 💨 9 mph

Sunday, Sep 20Sun Sep 20

Sunny 100°/71° 💧 None 💨 8 mph

Monday, Sep 21Mon Sep 21

Sunny 97°/66° 💧 None 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 92°/78° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in San Joaquin

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for San Joaquin

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 2,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 48,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in San Joaquin

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,9High 😊Good

Tomorrow UV 8,4Very high 😐Moderate

Wednesday UV 8,3Very high 😐Moderate

Thursday UV 8,6Very high 😐Moderate

Friday UV 9,0Very high 🙂Fair

Saturday UV 9,0Very high —Unavailable

Sunday UV 8,0Very high —Unavailable

Hourly UV index today

10:00 AMUV 3,5 11:00 AMUV 5,7 12:00 PMUV 7,3 1:00 PMUV 7,9 2:00 PMUV 7,3 3:00 PMUV 5,6 4:00 PMUV 3,5 5:00 PMUV 1,7 6:00 PMUV 0,5 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for San Joaquin

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAN JOAQUIN, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:48 PM–5:09 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 12% Waning Crescent · Moon about 12° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 87° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for San Joaquin were last refreshed today at 9:01 AM. The current forecast period extends through 09/09/2026 at 7:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.