At an airfield/0.0 mi away/597 ft/level with here
temp, wind, gust, visibility, precip, pressure
San Marcos Regional Airport, Texas
Medium airport in Caldwell 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.
77°
90°/68°
Clear·
Feels like 77°·Light breeze 7 mph E
Alert. A Wind Advisory is in force for San Marcos Regional 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 71° after 90° today.
Now. San Marcos Regional Airport is 77° and clear at 9 PM. The dew point is 62°, so the air feels humid and sticky. Light breeze from the east at 7 mph.
Today and tonight. Tonight falls to about 63° 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 88°, and the coolest Saturday, near 69°. Rain is possible tomorrow (43%). The windiest day is tomorrow, with wind to 28 mph.
The sky now. The Moon is a waxing crescent, 26% lit, and sets at 10:28 PM. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the east-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 29 minutes long, 2 minutes shorter than yesterday.
0UV Low
40Air quality
60%Humidity
1%Cloud
Now
9:00 PM
77feels77
now, clear
Today
Oct 15
9068
12%
UV 8
Fri
Oct 16
7162
43%
28mph
UV 7
Sat
Oct 17
6950
20mph
UV 8
Sun
Oct 18
7347
UV 8
Mon
Oct 19
7850
overcast
Tue
Oct 20
8356
overcast
Wed
Oct 21
8860
overcast
77°
90°68°
71°62°
69°50°
73°47°
78°50°
83°56°
88°60°
As of 9:00 PM in San Marcos Regional Airport, Texas.
Air quality
The air at San Marcos Regional Airport
Index 40, good, led by ozone. Read at 9 PM from its reporting area, Austin (TX), 27 miles off.
40Good
- Fine particles (PM2.5)25Good-
- Ozone40Good-
- Coarse particles (PM10)16Good-
The days ahead
Highest moderate, today, led by ozone. Yesterday measured 36, good.
GoodModerate
- 36YesterdayOct 14
- ModerateTodayOct 15
- GoodFriOct 16
- GoodSatOct 17
- GoodSunOct 18
Smoke, the next 41 hours
Little smoke near the ground through Sat 1 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at San Marcos Regional Airport
None in the last 3 days, to Thu 8 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 Marcos Regional Airport, the next 41 hours
Visibility stays 10 miles or more through Sat 1 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- HYI
- ICAO
- KHYI
- IATA
- -
- Field elevation
- 597 ft
- Serves
- San Marcos
- Kind
- Medium airport
- Scheduled service
- No
- Its own instrument
- HYI
- Wind now
- From 110° at 8 mph, read 15 Oct, 20:56
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 08 / 26 | 6,330 ft | 100 ft | Asphalt | 88° / 268° | 7 mph head, on 08 | 3 mph from the right |
| 13 / 31 | 5,601 ft | 100 ft | Asphalt | 133° / 313° | 7 mph head, on 13 | 3 mph from the left |
| 17 / 35 | 5,214 ft | 100 ft | Asphalt | 178° / 358° | 3 mph head, on 17 | 7 mph from the left |
What is measuring near here
The 4 instruments nearest San Marcos Regional Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now2 instruments
Kyle 3ENE RAWSKRET2
A remote fire weather station/7.7 mi away/654 ft/57 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Martindale 1.7 NNWTX-CLD-1
In a volunteer observer's own ground/2.0 mi away/558 ft/39 ft below here
precip, snowfall, snow depth
San Marcos Electric UtilitySAST2
At a cooperative observer's station/4.1 mi away/572 ft/25 ft below 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 Marcos Regional Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Martindalecity, 3 mi
- San Marcoscity, 5 mi
- Redwoodcommunity, 6 mi
- Uhlandcity, 7 mi
- Kylecity, 7 mi
- Staplescity, 8 mi
- Mountain Citycity, 10 mi
- Lockhartcity, 11 mi
- Niederwaldcity, 12 mi
- Budacity, 14 mi
- Creedmoorcity, 15 mi
- Wimberleycity, 16 mi
Airports near San Marcos Regional Airport
- New Braunfels National AirportBAZ, 17 mi
- Randolph Air Force Base Auxiliary AirportSEQ, 23 mi
- Austin Bergstrom International AirportAUS, 24 mi
- Roger M Dreyer Memorial AirportT20, 35 mi
- Randolph Air Force BaseRND, 35 mi
- Austin Executive AirportEDC, 39 mi
- Lago Vista Texas Rusty Allen AirportRYW, 42 mi
- San Antonio International AirportSAT, 44 mi