What is the weather in San Antonio right now?

Current weather in San Antonio is overcast clouds.

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

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

Is the weather forecast for San Antonio updated regularly?

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

Now · 6:10 AM

San Antonio Weather & Hourly Forecast

United States · Texas · 78023

77°F

Overcast night

Feels like: 78°F

💧 Humidity 84% 🌡 Pressure 30.00 inHg 💨 Wind 2 mph 👁 Visibility 6.2 mi ☁ Clouds 98% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:09 AM 🌇 Sunset 8:01 PM

Hourly Forecast for San Antonio

Today

7:00 AM

Overcast night

77° 💧 None 💨 2 mph H 84%30.00 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 5 mph H 68%30.03 inHg

1:00 PM

Mostly sunny

92° 💧 None 💨 6 mph H 44%30.00 inHg

4:00 PM

Sunny

96° 💧 None 💨 4 mph H 36%29.94 inHg

7:00 PM

Sunny

91° 💧 None 💨 6 mph H 35%29.88 inHg

10:00 PM

Clear night

80° 💧 None 💨 13 mph H 69%29.97 inHg

Tomorrow

1:00 AM

Clear night

78° 💧 None 💨 5 mph H 62%30.00 inHg

4:00 AM

Clear night

78° 💧 None 💨 2 mph H 64%30.00 inHg

7:00 AM

Clear night

76° 💧 None 💨 2 mph H 69%30.03 inHg

10:00 AM

Sunny

83° 💧 None 💨 4 mph H 59%30.03 inHg

1:00 PM

Sunny

94° 💧 None 💨 7 mph H 41%30.00 inHg

4:00 PM

Sunny

97° 💧 None 💨 8 mph H 32%29.91 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 15 mph H 40%29.91 inHg

10:00 PM

Overcast night

89° 💧 None 💨 13 mph H 46%29.94 inHg

Sunday

1:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 68%29.97 inHg

4:00 AM

Clear night

78° 💧 None 💨 7 mph H 78%29.97 inHg

Today

7:00 AM

Overcast night

77° 💧 None 💨 2 mph H 84%30.00 inHg

8:00 AM

Mostly cloudy

77° 💧 None 💨 3 mph H 81%30.00 inHg

9:00 AM

Mostly cloudy

79° 💧 None 💨 3 mph H 75%30.00 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 5 mph H 68%30.03 inHg

11:00 AM

Partly cloudy

85° 💧 None 💨 6 mph H 58%30.03 inHg

12:00 PM

Mostly sunny

89° 💧 None 💨 7 mph H 47%30.03 inHg

1:00 PM

Mostly sunny

92° 💧 None 💨 6 mph H 44%30.00 inHg

2:00 PM

Sunny

94° 💧 None 💨 6 mph H 41%29.97 inHg

3:00 PM

Sunny

96° 💧 None 💨 5 mph H 38%29.97 inHg

4:00 PM

Sunny

96° 💧 None 💨 4 mph H 36%29.94 inHg

5:00 PM

Sunny

95° 💧 None 💨 5 mph H 35%29.91 inHg

6:00 PM

Sunny

90° 💧 None 💨 6 mph H 34%29.88 inHg

7:00 PM

Sunny

91° 💧 None 💨 6 mph H 35%29.88 inHg

8:00 PM

Sunny

89° 💧 None 💨 10 mph H 38%29.88 inHg

9:00 PM

Clear night

85° 💧 None 💨 18 mph H 68%29.97 inHg

10:00 PM

Clear night

80° 💧 None 💨 13 mph H 69%29.97 inHg

11:00 PM

Clear night

80° 💧 None 💨 5 mph H 64%29.97 inHg

Tomorrow

12:00 AM

Clear night

79° 💧 None 💨 6 mph H 61%30.00 inHg

1:00 AM

Clear night

78° 💧 None 💨 5 mph H 62%30.00 inHg

2:00 AM

Clear night

78° 💧 None 💨 4 mph H 61%30.00 inHg

3:00 AM

Clear night

78° 💧 None 💨 3 mph H 62%30.00 inHg

4:00 AM

Clear night

78° 💧 None 💨 2 mph H 64%30.00 inHg

5:00 AM

Clear night

77° 💧 None 💨 3 mph H 66%30.00 inHg

6:00 AM

Clear night

76° 💧 None 💨 1 mph H 67%30.00 inHg

7:00 AM

Clear night

76° 💧 None 💨 2 mph H 69%30.03 inHg

8:00 AM

Sunny

77° 💧 None 💨 3 mph H 69%30.03 inHg

9:00 AM

Sunny

80° 💧 None 💨 4 mph H 65%30.03 inHg

10:00 AM

Sunny

83° 💧 None 💨 4 mph H 59%30.03 inHg

11:00 AM

Sunny

87° 💧 None 💨 6 mph H 51%30.03 inHg

12:00 PM

Sunny

92° 💧 None 💨 7 mph H 45%30.03 inHg

1:00 PM

Sunny

94° 💧 None 💨 7 mph H 41%30.00 inHg

2:00 PM

Sunny

97° 💧 None 💨 8 mph H 38%29.97 inHg

3:00 PM

Sunny

98° 💧 None 💨 8 mph H 34%29.94 inHg

4:00 PM

Sunny

97° 💧 None 💨 8 mph H 32%29.91 inHg

5:00 PM

Sunny

92° 💧 None 💨 8 mph H 31%29.88 inHg

6:00 PM

Sunny

97° 💧 None 💨 8 mph H 31%29.88 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 15 mph H 40%29.91 inHg

8:00 PM

Overcast

88° 💧 None 💨 8 mph H 47%29.91 inHg

9:00 PM

Overcast night

90° 💧 None 💨 7 mph H 43%29.91 inHg

10:00 PM

Overcast night

89° 💧 None 💨 13 mph H 46%29.94 inHg

11:00 PM

Mostly cloudy night

84° 💧 None 💨 12 mph H 57%29.97 inHg

Sunday

12:00 AM

Mostly cloudy night

82° 💧 None 💨 11 mph H 63%29.97 inHg

1:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 68%29.97 inHg

2:00 AM

Clear night

80° 💧 None 💨 8 mph H 73%29.97 inHg

3:00 AM

Clear night

79° 💧 None 💨 7 mph H 76%29.97 inHg

4:00 AM

Clear night

78° 💧 None 💨 7 mph H 78%29.97 inHg

5:00 AM

Clear night

77° 💧 None 💨 6 mph H 79%29.97 inHg

6:00 AM

Clear night

77° 💧 None 💨 4 mph H 80%29.97 inHg

7:00 AM

Clear night

76° 💧 None 💨 4 mph H 81%29.97 inHg

8:00 AM

Sunny

77° 💧 None 💨 3 mph H 78%30.00 inHg

9:00 AM

Sunny

80° 💧 None 💨 5 mph H 71%30.00 inHg

10:00 AM

Sunny

84° 💧 None 💨 6 mph H 60%30.00 inHg

11:00 AM

Sunny

88° 💧 None 💨 7 mph H 50%30.00 inHg

12:00 PM

Sunny

91° 💧 None 💨 9 mph H 43%30.00 inHg

1:00 PM

Sunny

94° 💧 None 💨 9 mph H 37%29.97 inHg

2:00 PM

Mostly sunny

96° 💧 None 💨 9 mph H 33%29.94 inHg

3:00 PM

Sunny

97° 💧 None 💨 9 mph H 31%29.91 inHg

4:00 PM

Sunny

98° 💧 None 💨 10 mph H 30%29.88 inHg

5:00 PM

Sunny

98° 💧 None 💨 10 mph H 29%29.85 inHg

6:00 PM

Sunny

97° 💧 None 💨 9 mph H 29%29.85 inHg

7:00 PM

Sunny

96° 💧 None 💨 6 mph H 30%29.85 inHg

8:00 PM

Mostly clear night

92° 💧 None 💨 9 mph H 35%29.85 inHg

9:00 PM

Clear night

89° 💧 None 💨 15 mph H 43%29.88 inHg

10:00 PM

Clear night

86° 💧 None 💨 15 mph H 53%29.94 inHg

11:00 PM

Mostly clear night

83° 💧 None 💨 14 mph H 63%29.94 inHg

Monday

12:00 AM

Mostly clear night

82° 💧 None 💨 12 mph H 69%29.97 inHg

1:00 AM

Mostly clear night

81° 💧 None 💨 10 mph H 73%29.97 inHg

2:00 AM

Clear night

80° 💧 None 💨 10 mph H 75%29.97 inHg

3:00 AM

Clear night

80° 💧 None 💨 9 mph H 77%29.94 inHg

4:00 AM

Clear night

79° 💧 None 💨 8 mph H 78%29.94 inHg

5:00 AM

Light rain

78° 💧 0.01 in 💨 6 mph H 82%29.94 inHg

6:00 AM

Light rain

77° 💧 0.01 in 💨 5 mph H 84%29.94 inHg

7:00 AM

Clear night

77° 💧 None 💨 5 mph H 86%29.97 inHg

8:00 AM

Mostly sunny

78° 💧 None 💨 6 mph H 84%29.97 inHg

9:00 AM

Mostly cloudy

81° 💧 None 💨 9 mph H 76%30.00 inHg

10:00 AM

Mostly cloudy

85° 💧 None 💨 9 mph H 64%30.00 inHg

11:00 AM

Mostly cloudy

88° 💧 None 💨 9 mph H 53%30.00 inHg

12:00 PM

Partly cloudy

92° 💧 None 💨 9 mph H 46%29.97 inHg

1:00 PM

Partly cloudy

94° 💧 None 💨 10 mph H 40%29.97 inHg

2:00 PM

Sunny

96° 💧 None 💨 10 mph H 36%29.91 inHg

3:00 PM

Sunny

98° 💧 None 💨 10 mph H 32%29.88 inHg

4:00 PM

Partly cloudy

98° 💧 None 💨 10 mph H 30%29.85 inHg

5:00 PM

Partly cloudy

97° 💧 None 💨 9 mph H 30%29.85 inHg

6:00 PM

Mostly cloudy

97° 💧 None 💨 9 mph H 30%29.83 inHg

7:00 PM

Mostly cloudy

96° 💧 None 💨 7 mph H 30%29.83 inHg

8:00 PM

Mostly cloudy night

89° 💧 None 💨 15 mph H 45%29.88 inHg

9:00 PM

Mostly cloudy night

88° 💧 None 💨 15 mph H 49%29.91 inHg

10:00 PM

Partly cloudy night

84° 💧 None 💨 15 mph H 61%29.94 inHg

11:00 PM

Partly cloudy night

83° 💧 None 💨 13 mph H 68%29.97 inHg

Tuesday

12:00 AM

Partly cloudy night

81° 💧 None 💨 12 mph H 73%29.97 inHg

1:00 AM

Partly cloudy night

81° 💧 None 💨 12 mph H 77%29.97 inHg

2:00 AM

Mostly cloudy night

81° 💧 None 💨 11 mph H 77%29.97 inHg

3:00 AM

Mostly cloudy night

80° 💧 None 💨 10 mph H 77%29.97 inHg

4:00 AM

Partly cloudy night

79° 💧 None 💨 8 mph H 79%29.97 inHg

5:00 AM

Partly cloudy night

79° 💧 None 💨 7 mph H 80%29.97 inHg

6:00 AM

Partly cloudy night

79° 💧 None 💨 6 mph H 79%29.97 inHg

In San Antonio and, more broadly, across the state of Texas: The evening will bring mostly sunny skies with a few clouds, accompanied by very hot temperatures ranging from 93 to 97 degrees Fahrenheit. Moderate northeast winds are expected, with speeds reaching up to 17 mph and gusts also around 17 mph. There is a possibility of light rain in the next few hours, with an accumulation of about 0.02 inches and a maximum probability of 64%. Residents should be prepared for warm conditions and be aware of the potential for brief, light showers.

15-Day Weather Outlook for San Antonio

TomorrowTomorrow

Sunny 98°/76° 💧 None 💨 15 mph

Sunday, Aug 30Sun Aug 30

Sunny 98°/76° 💧 None 💨 15 mph

Monday, Aug 31Mon Aug 31

Light rain 98°/77° 💧 0.01 in 💨 15 mph

Tuesday, Sep 1Tue Sep 1

Partly cloudy 99°/79° 💧 None 💨 17 mph

Wednesday, Sep 2Wed Sep 2

Light rain 100°/78° 💧 0.06 in 💨 16 mph

Thursday, Sep 3Thu Sep 3

Light rain 98°/78° 💧 0.00 in 💨 15 mph

Friday, Sep 4Fri Sep 4

Light rain 99°/77° 💧 0.01 in 💨 16 mph

Saturday, Sep 5Sat Sep 5

Sunny 101°/78° 💧 None 💨 12 mph

Sunday, Sep 6Sun Sep 6

Moderate rain 80°/76° 💧 1.07 in 💨 13 mph

Monday, Sep 7Mon Sep 7

Moderate rain 90°/75° 💧 0.72 in 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Moderate rain 93°/77° 💧 0.29 in 💨 19 mph

Wednesday, Sep 9Wed Sep 9

Light rain 91°/76° 💧 0.20 in 💨 8 mph

Thursday, Sep 10Thu Sep 10

Light rain 94°/76° 💧 0.01 in 💨 10 mph

Friday, Sep 11Fri Sep 11

Sunny 92°/74° 💧 None 💨 9 mph

Saturday, Sep 12Sat Sep 12

Sunny 95°/76° 💧 None 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in San Antonio

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for San Antonio

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 1,7µg/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 4,0µg/m³

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

O₃ Ozone Good 30,1µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/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 Antonio

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 9,0Very high 😊Good

Tomorrow UV 9,0Very high 🙂Fair

Sunday UV 9,0Very high 🙂Fair

Monday UV 8,0Very high 😊Good

Tuesday UV 9,0Very high 😊Good

Wednesday UV 9,0Very high —Unavailable

Thursday UV 9,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 5,0 9:00 AMUV 6,0 10:00 AMUV 6,0 11:00 AMUV 7,0 12:00 PMUV 8,0 1:00 PMUV 8,0 2:00 PMUV 8,0 3:00 PMUV 9,0 4:00 PMUV 9,0 5:00 PMUV 9,0 6:00 PMUV 9,0

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

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.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for San Antonio

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 6.73 Population: 1,479,835

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Forecast data for San Antonio were last refreshed today at 6:10 AM. The current forecast period extends through 30/08/2026 at 4:00 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.