Skip to content

San Antonio, Texas weather

United States · America/Chicago · 29.42, -98.49

“Use my location” asks your browser for your coordinates so we can load your local forecast and any official warnings for your area. Your coordinates are used for that request only: they are not stored on our servers, sold, or used to build a profile. If your browser blocks location, we fall back to an approximate city-level lookup from your IP address.

San Antonio, TX Weather Today

Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for San Antonio, Texas. Every section shows where the data came from and when it was last checked.

Your briefing — take action

San Antonio, Texas

Right now
Wind Advisory in effect for Llano; Burnet; Williamson; Val Verde; Edwards; Real; Kerr; Bandera; Gillespie; Kendall; Blanco; Hays; Travis; Bastrop; Lee; Kinney; Uvalde; Medina; Bexar; Comal; Guadalupe; Caldwell; Fayette; Maverick; Zavala; Frio; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca; Dimmit.Official warning
Next few hours
No rain in the forecast for the next few hours.Forecast
Your day
  • Best outdoor window: 4 PM to 5 PM.Our reading
  • UV index 7 — sunburn risk during the strongest sun.Observed

What officials say to do

  • Winds this strong can make driving difficult, especially for high profile vehicles.
  • Use extra caution.
  • Secure outdoor objects.

Wording from NWS Austin/San Antonio TX. Read the official warning

What happens next

  1. NowWind Advisory covers Llano; Burnet; Williamson; Val Verde; Edwards; Real; Kerr; Bandera; Gillespie; Kendall; Blanco; Hays; Travis; Bastrop; Lee; Kinney; Uvalde; Medina; Bexar; Comal; Guadalupe; Caldwell; Fayette; Maverick; Zavala; Frio; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca; Dimmit.Official warning
  2. NextOfficial warning runs until 12:00 AM.Official warning

Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.

ADVISORYalert level: AdvisoryWind AdvisoryTap for what to do

San Antonio, Texas

67°

Partly cloudy

Feels like 67° · High 74° · Low 67°

Partly cloudy sky here right now. Nothing falling.

Mild and partly cloudy this morning. 67° right now. Today's high is 74°.

  • Sunrise 1:00 AM
  • Today's high 74°
  • Rain next 6 hrs 0%

Next few hours

  1. Now

    67°

    —

  2. 11 AM

    68°

    —

  3. 12 PM

    70°

    —

  4. 1 PM

    71°

    —

  5. 2 PM

    73°

    —

Rain chance
0%
Wind
21 mph N
Humidity
63%
Air quality
No reading
1:00 AM 1:00 PM Dew point 54° Cloud cover 57%

Source updated: 3:53:55 PM · WeatherSignal checked: 3:53:55 PM

Source: Open-Meteo (national weather-service models)

What matters today

Six quick answers for San Antonio. Tap Why? on any of them to see the reasoning.

Umbrella

Nah (Good)

Best time

12 PM (Good)

Dog walk

6 PM (Good)

Car wash

Go for it (Good)

Cookout

Doable with a plan (Mixed)

Windows

Crack them (Mixed)

Today's Signal

Good day

75/100

Mostly favorable, but the wind and poor visibility will make it less comfortable outside.

Wind 21 mph · Visibility 0.0 mi · Active Wind Advisory

Today is about the same as the rest of the week.

See exactly how this number was worked out

Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.

  • Starting score100
  • Wind 21 mph-9
  • Visibility 0.0 mi-10
  • Active Wind Advisory-6
  • Final Signal75
Full methodology

Next 12 hours

Steady conditions, but the temperature swings about 12° across the next 12 hours.

  • 1 PMSunset
  • 3 PMWarmest stretch · 74°
  • 10 PMCoolest stretch · 62°
68°70°71°73°74°73°72°70°67°65°63°62°
  1. 11 AM—68 degrees, 0 percent chance of rain
  2. 12 PM—70 degrees, 0 percent chance of rain
  3. 1 PM—71 degrees, 0 percent chance of rain
  4. 2 PM—73 degrees, 0 percent chance of rain
  5. 3 PM—74 degrees, 0 percent chance of rain
  6. 4 PM—73 degrees, 0 percent chance of rain
  7. 5 PM—72 degrees, 0 percent chance of rain
  8. 6 PM—70 degrees, 0 percent chance of rain
  9. 7 PM—67 degrees, 0 percent chance of rain
  10. 8 PM—65 degrees, 0 percent chance of rain
  11. 9 PM—63 degrees, 0 percent chance of rain
  12. 10 PM—62 degrees, 0 percent chance of rain

The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.

Next change

Conditions gradually ease off this evening

Temperatures fall from about 68° to 62° over the next 12 hours. There is no meaningful rain signal in the next several hours.

WeatherSignal NOW: San Antonio, Texas

One number for everything happening around you, from 0 to 100.

Keep me safe

93

NORMAL

Nothing here needs your attention right now.

Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.

What this means

Generated from the forecast values above using fixed rules: not an AI guess.

  • A Wind Advisory issued by NWS Austin/San Antonio TX is active for Llano.
  • No significant precipitation is expected in the next 24 hours.

Next 24 hours

Will it rain during your commute? When does the storm arrive?

See all 47 hours (2 days) — free

Hourly forecast for the next 24 hours
TimeConditionTempFeelsPrecip %AmountWindHumidity
11 AMOvercast68°68°0%0.00″22 N54%
12 PMOvercast70°70°0%0.00″22 NNE42%
1 PMMainly clear71°71°0%0.00″22 NNE34%
2 PMClear sky73°73°0%0.00″21 NNE30%
3 PMPartly cloudy74°74°0%0.00″20 NNE32%
4 PMPartly cloudy73°73°0%0.00″19 NNE32%
5 PMPartly cloudy72°72°0%0.00″18 NNE31%
6 PMPartly cloudy70°70°0%0.00″16 N31%
7 PMMainly clear67°67°0%0.00″16 N32%
8 PMMainly clear65°65°0%0.00″16 N35%
9 PMMainly clear63°63°0%0.00″16 NNE38%
10 PMClear sky62°62°0%0.00″15 NNE41%
11 PMClear sky60°60°0%0.00″15 NNE44%
12 AMClear sky59°59°0%0.00″14 NNE46%
1 AMClear sky59°56°0%0.00″13 NNE47%
2 AMClear sky58°56°0%0.00″12 NNE48%
3 AMClear sky58°55°0%0.00″12 NNE49%
4 AMClear sky57°54°0%0.00″12 NNE49%
5 AMMainly clear56°53°0%0.00″11 NNE49%
6 AMMainly clear55°53°0%0.00″11 NNE50%
7 AMPartly cloudy55°52°0%0.00″11 NNE51%
8 AMPartly cloudy54°52°0%0.00″9 NNE52%
9 AMClear sky56°52°0%0.00″12 NNE50%
10 AMClear sky57°54°0%0.00″13 NNE48%

7-day forecast

Confidence decreases the further out you look.

  • Today

    Clear sky

    74° / 67°

    Precip:
    0% · 0.00″
    Wind:
    22 mph
    UV:
    7.1
    Sun:
    1 AM to 1 PM
  • Sat, Oct 17

    Partly cloudy

    69° / 54°

    Precip:
    0% · 0.00″
    Wind:
    16 mph
    UV:
    7.2
    Sun:
    1 AM to 1 PM
  • Sun, Oct 18

    Mainly clear

    73° / 54°

    Precip:
    0% · 0.00″
    Wind:
    8 mph
    UV:
    7.0
    Sun:
    1 AM to 1 PM
  • Mon, Oct 19

    Clear sky

    74° / 55°

    Precip:
    0% · 0.00″
    Wind:
    5 mph
    UV:
    0.0
    Sun:
    1 AM to 1 PM
  • Tue, Oct 20

    Clear sky

    77° / 64°

    Precip:
    0% · 0.00″
    Wind:
    5 mph
    UV:
    0.0
    Sun:
    1 AM to 1 PM

    Lower confidence: long-range outlook, not a certainty.

  • Wed, Oct 21

    Clear sky

    79° / 63°

    Precip:
    0% · 0.00″
    Wind:
    7 mph
    UV:
    0.0
    Sun:
    1 AM to 1 PM

    Lower confidence: long-range outlook, not a certainty.

  • Thu, Oct 22

    Clear sky

    81° / 61°

    Precip:
    0% · 0.00″
    Wind:
    5 mph
    UV:
    0.0
    Sun:
    1 AM to 1 PM

    Lower confidence: long-range outlook, not a certainty.

Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.

Weather near San Antonio

Weather Signal is free for everyone. Donations keep it running, and a portion goes to our Community Relief program, which helps a household with an essential bill at the end of the month. Members can enter for free without donating.

Donate