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

Now · 10:53 AM

San Antonio Weather & Hourly Forecast

United States · New Mexico · 87832

84°F

Mostly sunny

Feels like: 79°F

💧 Humidity 29% 🌡 Pressure 29.94 inHg 💨 Wind 9 mph 👁 Visibility 36.4 mi ☁ Clouds 22% ☀️ UV index 4.4 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for San Antonio

Today

11:00 AM

Mostly sunny

84° 💧 None 💨 9 mph H 29%29.94 inHg

2:00 PM

Mostly sunny

90° 💧 0.01 in 💨 7 mph H 26%29.85 inHg

5:00 PM

Light thunderstorms

88° 💧 0.01 in 💨 7 mph H 29%29.80 inHg

8:00 PM

Partly cloudy night

83° 💧 0.00 in 💨 2 mph H 36%29.80 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 2 mph H 43%29.85 inHg

Tomorrow

2:00 AM

Clear night

75° 💧 None 💨 1 mph H 51%29.88 inHg

5:00 AM

Clear night

70° 💧 None 💨 3 mph H 57%29.88 inHg

8:00 AM

Sunny

74° 💧 None 💨 1 mph H 51%29.94 inHg

11:00 AM

Partly cloudy

85° 💧 None 💨 1 mph H 35%29.91 inHg

2:00 PM

Mostly cloudy

93° 💧 0.00 in 💨 4 mph H 25%29.83 inHg

5:00 PM

Light thunderstorms

87° 💧 0.03 in 💨 10 mph H 32%29.80 inHg

8:00 PM

Mostly cloudy night

81° 💧 0.00 in 💨 2 mph H 49%29.83 inHg

11:00 PM

Mostly clear night

77° 💧 0.00 in 💨 5 mph H 54%29.88 inHg

Monday

2:00 AM

Partly cloudy night

74° 💧 None 💨 6 mph H 58%29.91 inHg

5:00 AM

Partly cloudy night

69° 💧 0.00 in 💨 11 mph H 70%29.97 inHg

8:00 AM

Sunny

71° 💧 None 💨 2 mph H 69%29.97 inHg

Today

11:00 AM

Mostly sunny

84° 💧 None 💨 9 mph H 29%29.94 inHg

12:00 PM

Mostly sunny

87° 💧 None 💨 9 mph H 27%29.94 inHg

1:00 PM

Mostly sunny

89° 💧 None 💨 8 mph H 26%29.91 inHg

2:00 PM

Mostly sunny

90° 💧 0.00 in 💨 7 mph H 26%29.85 inHg

3:00 PM

Mostly sunny

90° 💧 0.00 in 💨 6 mph H 26%29.83 inHg

4:00 PM

Partly cloudy

89° 💧 0.00 in 💨 6 mph H 26%29.83 inHg

5:00 PM

Light thunderstorms

88° 💧 0.01 in 💨 7 mph H 29%29.80 inHg

6:00 PM

Mostly sunny

89° 💧 0.00 in 💨 3 mph H 27%29.80 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 1 mph H 28%29.80 inHg

8:00 PM

Partly cloudy night

83° 💧 0.00 in 💨 2 mph H 36%29.80 inHg

9:00 PM

Mostly clear night

82° 💧 None 💨 2 mph H 41%29.83 inHg

10:00 PM

Mostly clear night

81° 💧 None 💨 2 mph H 40%29.85 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 2 mph H 43%29.85 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 None 💨 2 mph H 46%29.85 inHg

1:00 AM

Clear night

76° 💧 None 💨 1 mph H 49%29.85 inHg

2:00 AM

Clear night

75° 💧 None 💨 1 mph H 51%29.88 inHg

3:00 AM

Clear night

73° 💧 None 💨 2 mph H 55%29.88 inHg

4:00 AM

Clear night

71° 💧 None 💨 3 mph H 58%29.88 inHg

5:00 AM

Clear night

70° 💧 None 💨 3 mph H 57%29.88 inHg

6:00 AM

Clear night

70° 💧 None 💨 2 mph H 58%29.91 inHg

7:00 AM

Sunny

69° 💧 None 💨 2 mph H 60%29.91 inHg

8:00 AM

Sunny

74° 💧 None 💨 1 mph H 51%29.94 inHg

9:00 AM

Sunny

78° 💧 None 💨 0 mph H 44%29.94 inHg

10:00 AM

Mostly sunny

82° 💧 None 💨 2 mph H 40%29.94 inHg

11:00 AM

Partly cloudy

85° 💧 None 💨 1 mph H 35%29.91 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 0 mph H 31%29.88 inHg

1:00 PM

Partly cloudy

91° 💧 None 💨 1 mph H 27%29.85 inHg

2:00 PM

Mostly cloudy

93° 💧 None 💨 4 mph H 25%29.83 inHg

3:00 PM

Mostly cloudy

93° 💧 0.00 in 💨 8 mph H 25%29.80 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 8 mph H 24%29.77 inHg

5:00 PM

Light thunderstorms

87° 💧 0.03 in 💨 10 mph H 32%29.80 inHg

6:00 PM

Light rain

86° 💧 0.01 in 💨 10 mph H 34%29.80 inHg

7:00 PM

Mostly cloudy

82° 💧 0.00 in 💨 9 mph H 42%29.83 inHg

8:00 PM

Mostly cloudy night

81° 💧 0.00 in 💨 2 mph H 49%29.83 inHg

9:00 PM

Mostly cloudy night

79° 💧 None 💨 2 mph H 53%29.85 inHg

10:00 PM

Mostly cloudy night

78° 💧 None 💨 5 mph H 52%29.88 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 5 mph H 54%29.88 inHg

Monday

12:00 AM

Mostly clear night

76° 💧 None 💨 9 mph H 57%29.91 inHg

1:00 AM

Partly cloudy night

75° 💧 0.00 in 💨 8 mph H 59%29.91 inHg

2:00 AM

Partly cloudy night

74° 💧 None 💨 6 mph H 58%29.91 inHg

3:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 57%29.91 inHg

4:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 61%29.91 inHg

5:00 AM

Partly cloudy night

69° 💧 None 💨 11 mph H 70%29.97 inHg

6:00 AM

Partly cloudy night

68° 💧 0.00 in 💨 4 mph H 77%29.97 inHg

7:00 AM

Mostly sunny

68° 💧 0.00 in 💨 3 mph H 75%29.97 inHg

8:00 AM

Sunny

71° 💧 None 💨 2 mph H 69%29.97 inHg

9:00 AM

Sunny

74° 💧 None 💨 2 mph H 61%29.97 inHg

10:00 AM

Sunny

79° 💧 None 💨 1 mph H 52%29.97 inHg

11:00 AM

Sunny

83° 💧 None 💨 3 mph H 42%29.94 inHg

12:00 PM

Sunny

86° 💧 None 💨 5 mph H 36%29.94 inHg

1:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 31%29.88 inHg

2:00 PM

Partly cloudy

91° 💧 0.00 in 💨 7 mph H 28%29.83 inHg

3:00 PM

Mostly cloudy

93° 💧 None 💨 8 mph H 27%29.83 inHg

4:00 PM

Mostly cloudy

91° 💧 None 💨 8 mph H 27%29.80 inHg

5:00 PM

Mostly cloudy

91° 💧 None 💨 5 mph H 26%29.80 inHg

6:00 PM

Mostly cloudy

88° 💧 0.00 in 💨 5 mph H 29%29.80 inHg

Tuesday

3:00 AM

Clear night

73° 💧 None 💨 1 mph H 62%29.94 inHg

6:00 AM

Clear night

71° 💧 None 💨 3 mph H 60%29.97 inHg

9:00 AM

Sunny

78° 💧 None 💨 5 mph H 46%30.00 inHg

12:00 PM

Sunny

87° 💧 None 💨 5 mph H 32%29.97 inHg

3:00 PM

Mostly sunny

92° 💧 None 💨 5 mph H 25%29.88 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 6 mph H 24%29.85 inHg

9:00 PM

Light rain

76° 💧 None 💨 14 mph H 53%30.00 inHg

Wednesday

12:00 AM

Mostly clear night

75° 💧 None 💨 2 mph H 59%30.00 inHg

3:00 AM

Clear night

73° 💧 None 💨 3 mph H 61%30.03 inHg

6:00 AM

Clear night

72° 💧 None 💨 2 mph H 60%30.06 inHg

9:00 AM

Sunny

79° 💧 None 💨 1 mph H 46%30.09 inHg

12:00 PM

Sunny

87° 💧 None 💨 3 mph H 32%30.06 inHg

3:00 PM

Mostly sunny

92° 💧 None 💨 6 mph H 24%29.94 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 5 mph H 24%29.91 inHg

9:00 PM

Moderate rain

72° 💧 None 💨 4 mph H 74%30.09 inHg

Thursday

12:00 AM

Mostly clear night

72° 💧 None 💨 2 mph H 75%30.06 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 1 mph H 70%30.06 inHg

6:00 AM

Clear night

70° 💧 None 💨 2 mph H 70%30.06 inHg

9:00 AM

Sunny

75° 💧 None 💨 1 mph H 56%30.09 inHg

12:00 PM

Sunny

83° 💧 None 💨 4 mph H 43%30.03 inHg

3:00 PM

Partly cloudy

87° 💧 None 💨 7 mph H 34%29.91 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 2 mph H 31%29.85 inHg

9:00 PM

Clear night

75° 💧 None 💨 2 mph H 58%29.91 inHg

Friday

12:00 AM

Mostly clear night

72° 💧 None 💨 2 mph H 64%29.94 inHg

6:00 AM

Mostly clear night

79° 💧 None 💨 2 mph H 33%29.94 inHg

12:00 PM

Sunny

71° 💧 None 💨 2 mph H 51%29.94 inHg

6:00 PM

Mostly sunny

88° 💧 None 💨 5 mph H 27%29.88 inHg

Saturday

12:00 AM

Overcast night

87° 💧 None 💨 10 mph H 24%29.74 inHg

6:00 AM

Mostly cloudy night

77° 💧 None 💨 6 mph H 45%29.85 inHg

12:00 PM

Sunny

71° 💧 None 💨 11 mph H 56%29.83 inHg

6:00 PM

Sunny

88° 💧 None 💨 8 mph H 28%29.83 inHg

Sunday

12:00 AM

Light rain

89° 💧 None 💨 8 mph H 23%29.68 inHg

6:00 AM

Partly cloudy night

72° 💧 None 💨 7 mph H 65%29.85 inHg

12:00 PM

Mostly sunny

66° 💧 None 💨 15 mph H 75%29.97 inHg

6:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 46%30.00 inHg

Monday

12:00 AM

Overcast night

80° 💧 None 💨 7 mph H 42%29.91 inHg

6:00 AM

Mostly cloudy night

69° 💧 None 💨 3 mph H 73%30.03 inHg

12:00 PM

Partly cloudy

66° 💧 None 💨 2 mph H 77%30.06 inHg

6:00 PM

Partly cloudy

81° 💧 None 💨 6 mph H 44%30.06 inHg

Tuesday

12:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 43%29.94 inHg

6:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 76%30.12 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 2 mph H 87%30.15 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 52%30.15 inHg

Wednesday

12:00 AM

Partly cloudy night

80° 💧 None 💨 12 mph H 44%30.00 inHg

6:00 AM

Moderate rain

65° 💧 None 💨 5 mph H 95%30.18 inHg

12:00 PM

Partly cloudy

63° 💧 None 💨 3 mph H 95%30.18 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 8 mph H 58%30.18 inHg

Thursday

12:00 AM

Mostly clear night

79° 💧 None 💨 11 mph H 51%30.06 inHg

6:00 AM

Mostly clear night

71° 💧 None 💨 2 mph H 74%30.15 inHg

12:00 PM

Sunny

66° 💧 None 💨 4 mph H 84%30.15 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 49%30.15 inHg

Friday

12:00 AM

Partly cloudy night

83° 💧 None 💨 4 mph H 37%30.03 inHg

6:00 AM

Mostly clear night

71° 💧 None 💨 7 mph H 68%30.15 inHg

12:00 PM

Sunny

65° 💧 None 💨 3 mph H 78%30.18 inHg

6:00 PM

Sunny

82° 💧 None 💨 2 mph H 35%30.15 inHg

Saturday

12:00 AM

Clear night

86° 💧 None 💨 9 mph H 25%29.97 inHg

6:00 AM

Mostly clear night

73° 💧 None 💨 3 mph H 47%30.09 inHg

12:00 PM

Sunny

67° 💧 None 💨 2 mph H 50%30.09 inHg

6:00 PM

Mostly sunny

84° 💧 None 💨 5 mph H 28%30.06 inHg

Sunday

12:00 AM

Partly cloudy night

86° 💧 None 💨 9 mph H 20%29.88 inHg

In San Antonio and, more broadly, across the state of New Mexico: The afternoon will continue with mostly cloudy skies, accompanied by hot temperatures ranging from 81 to 90 degrees Fahrenheit. Winds will be moderate, blowing from the northwest at speeds up to 10 mph, with gusts reaching around 6 mph. No rain is expected throughout the rest of the day, so outdoor plans should be unaffected by precipitation. Temperatures remain on the warmer side, so residents should stay hydrated and take precautions against the heat. The weather will stay relatively calm, with only gentle breezes from the northwest. Overall, it will be a warm and overcast afternoon with no significant weather disturbances anticipated.

15-Day Weather Outlook for San Antonio

TomorrowTomorrow

Light thunderstorms 94°/69° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 93°/68° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Mostly cloudy 92°/71° 💧 0.07 in 💨 5 mph

Wednesday, Sep 9Wed Sep 9

Light rain 92°/72° 💧 0.03 in 💨 14 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 90°/70° 💧 0.34 in 💨 7 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 85°/71° 💧 0.00 in 💨 2 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 88°/71° 💧 0.03 in 💨 11 mph

Sunday, Sep 13Sun Sep 13

Light rain 89°/66° 💧 0.25 in 💨 15 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 80°/66° 💧 0.04 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 81°/65° 💧 0.16 in 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 80°/63° 💧 0.11 in 💨 12 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 79°/66° 💧 0.01 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 83°/65° 💧 0.01 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 86°/67° 💧 None 💨 9 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 86°/84° 💧 None 💨 9 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 11:00 AM

PM2.5 Fine particles Good 1,5µg/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 2,9µg/m³

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

O₃ Ozone Good 57,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 10,7Very high 😊Good

Tomorrow UV 10,3Very high 🙂Fair

Monday UV 10,6Very high 🙂Fair

Tuesday UV 10,3Very high 🙂Fair

Wednesday UV 8,0Very high 😊Good

Thursday UV 8,0Very high —Unavailable

Friday UV 8,0Very high —Unavailable

Hourly UV index today

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

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.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

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, NEW MEXICO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:53 PM–5:19 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 31% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 39° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min65%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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 Antonio were last refreshed today at 10:53 AM. The current forecast period extends through 07/09/2026 at 8:00 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.