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Current weather in San Antonio is few 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 · 9:10 PM

San Antonio Weather & Hourly Forecast

United States · Texas · 78023

89°F

Mostly clear night

Feels like: 92°F

💧 Humidity 51% 🌡 Pressure 29.80 inHg 💨 Wind 7 mph 👁 Visibility 30.7 mi ☁ Clouds 19% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for San Antonio

Today

10:00 PM

Clear night

88° 💧 None 💨 9 mph H 54%29.83 inHg

Tomorrow

1:00 AM

Clear night

82° 💧 None 💨 6 mph H 78%29.85 inHg

4:00 AM

Clear night

81° 💧 None 💨 6 mph H 82%29.85 inHg

7:00 AM

Clear night

79° 💧 None 💨 5 mph H 85%29.85 inHg

10:00 AM

Mostly cloudy

86° 💧 None 💨 7 mph H 63%29.91 inHg

1:00 PM

Strong thunderstorm

95° 💧 0.002 in 💨 5 mph H 47%29.88 inHg

4:00 PM

Sunny

100° 💧 0.001 in 💨 7 mph H 33%29.83 inHg

7:00 PM

Mostly sunny

96° 💧 None 💨 11 mph H 35%29.80 inHg

10:00 PM

Clear night

87° 💧 None 💨 10 mph H 60%29.88 inHg

Sunday

1:00 AM

Clear night

83° 💧 None 💨 7 mph H 71%29.94 inHg

4:00 AM

Clear night

81° 💧 None 💨 5 mph H 78%29.94 inHg

7:00 AM

Mostly clear night

79° 💧 0.001 in 💨 4 mph H 86%29.94 inHg

10:00 AM

Mostly sunny

85° 💧 0.005 in 💨 7 mph H 67%29.97 inHg

1:00 PM

Mostly sunny

94° 💧 0.035 in 💨 10 mph H 47%29.97 inHg

4:00 PM

Mostly sunny

96° 💧 0.001 in 💨 7 mph H 38%29.88 inHg

7:00 PM

Mostly sunny

95° 💧 None 💨 8 mph H 37%29.85 inHg

Today

10:00 PM

Clear night

88° 💧 None 💨 9 mph H 54%29.83 inHg

11:00 PM

Clear night

85° 💧 None 💨 10 mph H 72%29.85 inHg

Tomorrow

12:00 AM

Clear night

83° 💧 None 💨 8 mph H 77%29.85 inHg

1:00 AM

Clear night

82° 💧 None 💨 6 mph H 78%29.85 inHg

2:00 AM

Clear night

82° 💧 None 💨 5 mph H 80%29.88 inHg

3:00 AM

Clear night

81° 💧 None 💨 6 mph H 81%29.85 inHg

4:00 AM

Clear night

81° 💧 None 💨 6 mph H 82%29.85 inHg

5:00 AM

Clear night

80° 💧 None 💨 5 mph H 84%29.85 inHg

6:00 AM

Clear night

79° 💧 None 💨 5 mph H 85%29.85 inHg

7:00 AM

Clear night

79° 💧 None 💨 5 mph H 85%29.85 inHg

8:00 AM

Sunny

79° 💧 None 💨 5 mph H 83%29.88 inHg

9:00 AM

Mostly sunny

82° 💧 None 💨 6 mph H 75%29.88 inHg

10:00 AM

Mostly cloudy

86° 💧 None 💨 7 mph H 63%29.91 inHg

11:00 AM

Mostly sunny

89° 💧 None 💨 6 mph H 58%29.88 inHg

12:00 PM

Sunny

91° 💧 None 💨 5 mph H 54%29.88 inHg

1:00 PM

Strong thunderstorm

95° 💧 None 💨 5 mph H 47%29.88 inHg

2:00 PM

Strong thunderstorm

97° 💧 0.000 in 💨 6 mph H 40%29.85 inHg

3:00 PM

Strong thunderstorm

99° 💧 0.001 in 💨 7 mph H 36%29.83 inHg

4:00 PM

Sunny

100° 💧 0.000 in 💨 7 mph H 33%29.83 inHg

5:00 PM

Mostly sunny

99° 💧 0.000 in 💨 6 mph H 31%29.80 inHg

6:00 PM

Sunny

99° 💧 None 💨 7 mph H 31%29.80 inHg

7:00 PM

Mostly sunny

96° 💧 None 💨 11 mph H 35%29.80 inHg

8:00 PM

Clear night

92° 💧 None 💨 10 mph H 43%29.83 inHg

9:00 PM

Clear night

90° 💧 None 💨 11 mph H 52%29.85 inHg

10:00 PM

Clear night

87° 💧 None 💨 10 mph H 60%29.88 inHg

11:00 PM

Clear night

85° 💧 None 💨 9 mph H 65%29.91 inHg

Sunday

12:00 AM

Clear night

84° 💧 None 💨 8 mph H 68%29.94 inHg

1:00 AM

Clear night

83° 💧 None 💨 7 mph H 71%29.94 inHg

2:00 AM

Clear night

82° 💧 None 💨 7 mph H 74%29.94 inHg

3:00 AM

Clear night

81° 💧 None 💨 6 mph H 77%29.94 inHg

4:00 AM

Clear night

81° 💧 None 💨 5 mph H 78%29.94 inHg

5:00 AM

Clear night

80° 💧 None 💨 5 mph H 79%29.94 inHg

6:00 AM

Clear night

79° 💧 None 💨 5 mph H 82%29.94 inHg

7:00 AM

Mostly clear night

79° 💧 None 💨 4 mph H 86%29.94 inHg

8:00 AM

Mostly sunny

79° 💧 0.000 in 💨 4 mph H 86%29.97 inHg

9:00 AM

Partly cloudy

82° 💧 0.001 in 💨 6 mph H 78%29.97 inHg

10:00 AM

Mostly sunny

85° 💧 0.001 in 💨 7 mph H 67%29.97 inHg

11:00 AM

Partly cloudy

89° 💧 None 💨 9 mph H 57%30.00 inHg

12:00 PM

Mostly sunny

91° 💧 0.004 in 💨 10 mph H 51%30.00 inHg

1:00 PM

Mostly sunny

94° 💧 0.002 in 💨 10 mph H 47%29.97 inHg

2:00 PM

Light thunderstorms

92° 💧 0.031 in 💨 9 mph H 47%29.94 inHg

3:00 PM

Mostly sunny

94° 💧 0.002 in 💨 7 mph H 43%29.91 inHg

4:00 PM

Mostly sunny

96° 💧 0.000 in 💨 7 mph H 38%29.88 inHg

5:00 PM

Mostly sunny

96° 💧 None 💨 8 mph H 36%29.85 inHg

6:00 PM

Mostly sunny

96° 💧 0.000 in 💨 8 mph H 36%29.85 inHg

7:00 PM

Mostly sunny

95° 💧 None 💨 8 mph H 37%29.85 inHg

8:00 PM

Clear night

91° 💧 None 💨 12 mph H 45%29.88 inHg

9:00 PM

Clear night

88° 💧 None 💨 11 mph H 53%29.91 inHg

10:00 PM

Clear night

86° 💧 None 💨 11 mph H 61%29.94 inHg

11:00 PM

Clear night

84° 💧 None 💨 10 mph H 68%29.97 inHg

Monday

12:00 AM

Clear night

82° 💧 None 💨 9 mph H 73%29.97 inHg

1:00 AM

Clear night

81° 💧 None 💨 8 mph H 75%30.00 inHg

2:00 AM

Clear night

80° 💧 None 💨 7 mph H 77%30.00 inHg

3:00 AM

Clear night

79° 💧 None 💨 6 mph H 80%30.00 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 4 mph H 83%30.00 inHg

5:00 AM

Mostly clear night

78° 💧 0.000 in 💨 4 mph H 85%29.97 inHg

6:00 AM

Mostly clear night

78° 💧 0.000 in 💨 4 mph H 88%29.97 inHg

7:00 AM

Partly cloudy night

78° 💧 0.000 in 💨 4 mph H 90%30.00 inHg

4:00 PM

Mostly sunny

98° 💧 None 💨 8 mph H 35%29.88 inHg

7:00 PM

Mostly sunny

90° 💧 None 💨 10 mph H 53%29.88 inHg

10:00 PM

Mostly clear night

85° 💧 None 💨 11 mph H 66%29.97 inHg

Tuesday

1:00 AM

Mostly clear night

81° 💧 None 💨 7 mph H 79%30.00 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 5 mph H 84%30.00 inHg

7:00 AM

Mostly clear night

78° 💧 None 💨 4 mph H 88%30.00 inHg

10:00 AM

Mostly sunny

84° 💧 None 💨 8 mph H 68%30.03 inHg

1:00 PM

Mostly sunny

93° 💧 None 💨 7 mph H 45%30.03 inHg

4:00 PM

Mostly sunny

98° 💧 None 💨 8 mph H 33%29.94 inHg

7:00 PM

Partly cloudy

93° 💧 None 💨 10 mph H 40%29.91 inHg

10:00 PM

Mostly clear night

86° 💧 None 💨 10 mph H 60%30.00 inHg

Wednesday

1:00 AM

Clear night

82° 💧 None 💨 7 mph H 77%30.06 inHg

4:00 AM

Mostly clear night

79° 💧 None 💨 4 mph H 87%30.06 inHg

7:00 AM

Clear night

77° 💧 None 💨 3 mph H 94%30.09 inHg

10:00 AM

Sunny

84° 💧 None 💨 4 mph H 65%30.12 inHg

1:00 PM

Sunny

94° 💧 None 💨 4 mph H 38%30.09 inHg

4:00 PM

Light rain

97° 💧 None 💨 8 mph H 31%30.03 inHg

7:00 PM

Mostly cloudy

90° 💧 None 💨 9 mph H 52%30.00 inHg

10:00 PM

Partly cloudy night

87° 💧 None 💨 6 mph H 59%30.06 inHg

Thursday

1:00 AM

Partly cloudy night

83° 💧 None 💨 6 mph H 73%30.12 inHg

4:00 AM

Clear night

80° 💧 None 💨 3 mph H 85%30.09 inHg

7:00 AM

Clear night

78° 💧 None 💨 3 mph H 91%30.09 inHg

10:00 AM

Light rain

84° 💧 None 💨 4 mph H 70%30.15 inHg

1:00 PM

Mostly sunny

92° 💧 None 💨 6 mph H 52%30.09 inHg

7:00 PM

Light rain

92° 💧 None 💨 7 mph H 48%30.15 inHg

Friday

1:00 AM

Overcast night

90° 💧 None 💨 8 mph H 51%30.03 inHg

7:00 AM

Overcast night

82° 💧 None 💨 3 mph H 72%30.12 inHg

1:00 PM

Sunny

77° 💧 None 💨 1 mph H 86%30.09 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 6 mph H 45%30.06 inHg

Saturday

1:00 AM

Clear night

94° 💧 None 💨 7 mph H 32%29.91 inHg

7:00 AM

Clear night

82° 💧 None 💨 7 mph H 60%30.00 inHg

1:00 PM

Sunny

75° 💧 None 💨 2 mph H 86%29.97 inHg

7:00 PM

Sunny

91° 💧 None 💨 5 mph H 41%29.94 inHg

Sunday

1:00 AM

Mostly clear night

92° 💧 None 💨 9 mph H 42%29.80 inHg

7:00 AM

Clear night

82° 💧 None 💨 7 mph H 71%29.85 inHg

1:00 PM

Mostly sunny

78° 💧 None 💨 4 mph H 84%29.83 inHg

7:00 PM

Sunny

92° 💧 None 💨 2 mph H 46%29.80 inHg

Monday

1:00 AM

Mostly clear night

94° 💧 None 💨 6 mph H 40%29.68 inHg

7:00 AM

Mostly cloudy night

81° 💧 None 💨 8 mph H 73%29.80 inHg

1:00 PM

Partly cloudy

77° 💧 None 💨 2 mph H 87%29.77 inHg

7:00 PM

Light rain

87° 💧 None 💨 0 mph H 56%29.80 inHg

Tuesday

1:00 AM

Overcast night

84° 💧 None 💨 2 mph H 69%29.71 inHg

7:00 AM

Moderate rain

73° 💧 None 💨 8 mph H 96%29.83 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 4 mph H 96%29.80 inHg

7:00 PM

Light rain

83° 💧 None 💨 2 mph H 71%29.83 inHg

Wednesday

1:00 AM

Mostly clear night

80° 💧 None 💨 1 mph H 76%29.77 inHg

7:00 AM

Light rain

73° 💧 None 💨 4 mph H 96%29.88 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 3 mph H 98%29.91 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 2 mph H 70%29.97 inHg

Thursday

1:00 AM

Mostly clear night

82° 💧 None 💨 2 mph H 70%29.94 inHg

7:00 AM

Mostly cloudy night

73° 💧 None 💨 6 mph H 90%30.06 inHg

1:00 PM

Mostly sunny

70° 💧 None 💨 6 mph H 85%30.09 inHg

7:00 PM

Partly cloudy

85° 💧 None 💨 8 mph H 57%30.12 inHg

Friday

1:00 AM

Mostly clear night

82° 💧 None 💨 5 mph H 60%30.06 inHg

7:00 AM

Clear night

72° 💧 None 💨 6 mph H 66%30.12 inHg

1:00 PM

Sunny

69° 💧 None 💨 7 mph H 72%30.12 inHg

7:00 PM

Sunny

84° 💧 None 💨 7 mph H 37%30.15 inHg

Saturday

1:00 AM

Clear night

80° 💧 None 💨 5 mph H 48%30.09 inHg

7:00 AM

Clear night

70° 💧 None 💨 6 mph H 67%30.12 inHg

1:00 PM

Sunny

66° 💧 None 💨 4 mph H 77%30.12 inHg

In San Antonio and, more broadly, across the state of Texas: The evening will be mostly sunny with just a few clouds drifting through. Temperatures will remain mild to warm, ranging between 80 and 81 degrees Fahrenheit. There is a slight chance of rain, with an overall accumulation of about 0.01 inches, and the probability of rain peaking at around 39%. Winds will be moderate from the southeast, reaching up to 12 mph, with gusts possibly hitting 13 mph. The weather remains relatively calm, but a brief, light shower cannot be completely ruled out during the next few hours. Overall, expect pleasant conditions with mild temperatures and gentle breezes as the evening progresses.

15-Day Weather Outlook for San Antonio

Sunday, Sep 13Sun Sep 13

Light thunderstorms 96°/79° 💧 None 💨 11 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 98°/78° 💧 0.138 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 98°/78° 💧 0.017 in 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Light rain 97°/77° 💧 0.011 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Light rain 92°/78° 💧 0.052 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Light rain 92°/77° 💧 0.044 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 94°/75° 💧 None 💨 7 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 92°/78° 💧 0.003 in 💨 9 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 94°/77° 💧 0.009 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Moderate rain 87°/72° 💧 0.812 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Light rain 83°/71° 💧 0.253 in 💨 4 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 82°/70° 💧 0.091 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 85°/69° 💧 None 💨 8 mph

Saturday, Sep 26Sat Sep 26

Sunny 84°/66° 💧 None 💨 7 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 10:00 PM

PM2.5 Fine particles Good 1,9µg/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 3,3µg/m³

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

O₃ Ozone Good 55,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 9,8Very high 😊Good

Tomorrow UV 9,8Very high 🙂Fair

Sunday UV 9,9Very high 😊Good

Monday UV 9,4Very high 🙂Fair

Tuesday UV 9,0Very high 🙂Fair

Wednesday UV 8,0Very high —Unavailable

Thursday UV 8,0Very high —Unavailable

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.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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

NIGHT SKY · SAN ANTONIO, TEXAS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:04 PM–5:57 AM

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

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 77° 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 min81%

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for San Antonio were last refreshed today at 8:41 PM. The current forecast period extends through 13/09/2026 at 7:00 PM. 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.