Temperature
76 F at 10 PM; 89 F at its warmest, 2 PM, and 76 F at its coolest, 4 AM.
- Now
- 76F
- 10 PM
- Highest
- 89F
- 2 PM
- Lowest
- 76F
- 4 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
San Antonio International Airport, Texas
Large airport in Bexar County, Texas* WHAT...North winds 25 to 30 mph with gusts of 40-50 mph expected. * WHERE...All of South Central Texas. * WHEN...From 4 AM to 7 PM CDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
76°
89°/71°
Mostly cloudy·
Feels like 76°·Light breeze 7 mph ESE
Alert. A Wind Advisory is in force for San Antonio International Airport until 7 PM tomorrow. Read the alert in full, and see what it means in the Field Book. Tomorrow is 19 degrees cooler: a high of 70° after 89° today.
Now. San Antonio International Airport is 76° and mostly cloudy at 11 PM. The dew point is 65°, so the air feels humid and sticky. Light breeze from the east-southeast at 7 mph.
Today and tonight. Tonight falls to about 65° by 8 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 86°, and the coolest Saturday, near 68°. Rain is possible tomorrow (31%). The windiest day is tomorrow, with wind to 29 mph.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 30 minutes long, 2 minutes shorter than yesterday.
0UV Low
39Air quality
68%Humidity
68%Cloud
Now
11:00 PM
76feels76
now, partly cloudy
Today
Oct 15
8971
UV 8
Fri
Oct 16
7064
31%
29mph
UV 7
Sat
Oct 17
6851
24mph
UV 7
Sun
Oct 18
7250
UV 8
Mon
Oct 19
7653
overcast
Tue
Oct 20
8259
overcast
Wed
Oct 21
8663
11%
76°
89°71°
70°64°
68°51°
72°50°
76°53°
82°59°
86°63°
As of 11:00 PM in San Antonio International Airport, Texas.
Air quality
The air at San Antonio International Airport
Index 39, good, led by ozone. Read at 10 PM from its reporting area, San Antonio (TX), 8 miles off.
39Good
- Fine particles (PM2.5)37Good-
- Ozone39Good35 ppb9.1 mi
- Coarse particles (PM10)20Good-
The days ahead
Highest moderate, today, led by ozone. Yesterday measured 43, good.
GoodModerate
- 43YesterdayOct 14
- ModerateTodayOct 15
- GoodFriOct 16
- GoodSatOct 17
- GoodSunOct 18
Smoke, the next 45 hours
Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at San Antonio International Airport
None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at San Antonio International Airport, the next 45 hours
Visibility stays 10 miles or more through Sat 7 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- SAT
- ICAO
- KSAT
- IATA
- SAT
- Field elevation
- 809 ft
- Serves
- San Antonio
- Kind
- Large airport
- Scheduled service
- Yes
- Its own instrument
- SAT
- Wind now
- From 120° at 7 mph, read 15 Oct, 22:51
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 04 / 22 | 8,505 ft | 150 ft | Concrete | 40° / 220° | 1 mph head, on 04 | 7 mph from the right |
| 13L / 31R | 5,519 ft | 100 ft | Asphalt | 132° / 312° | 7 mph head, on 13L | 1 mph from the left |
| 13R / 31L | 8,502 ft | 150 ft | Concrete | 132° / 312° | 7 mph head, on 13R | 1 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from San Antonio (SAT), San Antonio International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 65 F, the air 69% saturated; the humidity ran from 38% at 4 PM to 85% at 12 AM.
- Dew point now
- 65F
- 10 PM
- Humidity now
- 69%
- Humidity, range
- 38 to 85%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
6 mph from the east southeast at 10 PM; at its strongest 15 mph, 1 AM, with a gust of 23 mph at 12 AM.
- Now
- 6mph
- from the east southeast
- Strongest
- 15mph
- 1 AM
- Highest gust
- 23mph
- 12 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.05 inHg at 10 PM, rising 0.08 inHg over 3 hours; 0.07 inHg higher than a day before.
- Now
- 30.05inHg
- 10 PM
- 3 hours
- +0.08inHg
- rising
- 24 hours
- +0.07inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
10 miles or more every hour.
- Now
- 10+mi
- Lowest
- 10+mi
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 1,500 ft at 1 AM; a base was reported in 23 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 1,500ft
- 1 AM
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
San Antonio: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 4 instruments nearest San Antonio International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.
measured now2 instruments
San AntonioSAT
At an airfield/0.3 mi away/774 ft/35 ft below here
temp, wind, gust, visibility, precip, pressure
Guadalupe River State ParkGUPT2
In a park or preserve/22.6 mi away/1,289 ft/480 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Castle Hills 1.9 NETX-BXR-253
In a volunteer observer's own ground/1.6 mi away/672 ft/137 ft below here
precip, snowfall, snow depth
BoerneBONT2
At a cooperative observer's station/24.2 mi away/1,450 ft/641 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Texas
20 places, each with its own forecast and its own instruments.
Near San Antonio International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Castle Hillscity, 3 mi
- Alamo Heightscity, 4 mi
- Hill Country Villagecity, 4 mi
- Terrell Hillscity, 4 mi
- Olmos Parkcity, 4 mi
- Hollywood Parktown, 5 mi
- Windcrestcity, 6 mi
- Balcones Heightscity, 6 mi
- Shavano Parkcity, 6 mi
- Kirbycity, 7 mi
- San Antoniocity, 8 mi
- Live Oakcity, 8 mi
Airports near San Antonio International Airport
- Randolph Air Force BaseRND, 11 mi
- Lackland Air Force BaseSKF, 12 mi
- Stinson Municipal AirportSSF, 14 mi
- Boerne Stage Field5C1, 19 mi
- Castroville Municipal AirportCVB, 26 mi
- New Braunfels National AirportBAZ, 28 mi
- Randolph Air Force Base Auxiliary AirportSEQ, 34 mi
- Pleasanton Municipal AirportPEZ, 40 mi