San Marcos, TX 78666 Weather Forecast

Now · 10:50 AM

43°

Clear · Feels like 39°

Dry for the next 24 hours. Tomorrow’s high 72°.

High

68°

Low

43°

Rain

0%

Sunset

7:00 PM

🌀

Storm tracker · Category 1

Hurricane Trudy

991 mi SW of San Marcos · moving NW at 10 mph

Max wind

90 mph

Pressure

979 mb

Updated

9:00 AM CST Sat Oct 17

Track on the live map

🌧️ Next hour

Minute by minute

Clear, warming to 59° by 11 AM.

No precipitation expected in the next hour.

Feels like

48°

Wind

15 mph NE

Rain chance

0%

Humidity

49%

Hourly

Full hourly

1. Now 57° 💧0%
2. 11 AM 59° 💧0%
3. 12 PM 63° 💧0%
4. 1 PM 64° 💧0%
5. 2 PM 66° 💧0%
6. 3 PM 67° 💧0%
7. 4 PM 68° 💧0%
8. 5 PM 68° 💧0%
9. 6 PM 66° 💧0%
10. 7 PM 63° 💧0%
11. 8 PM 60° 💧0%
12. 9 PM 57° 💧0%
13. 10 PM 56° 💧0%
14. 11 PM 55° 💧0%
15. 12 AM 54° 💧0%
16. 1 AM 53° 💧0%
17. 2 AM 52° 💧0%
18. 3 AM 51° 💧0%
19. 4 AM 51° 💧0%
20. 5 AM 50° 💧0%
21. 6 AM 49° 💧0%
22. 7 AM 49° 💧0%
23. 8 AM 50° 💧0%
24. 9 AM 55° 💧0%

Live radar

Open full map

Radar Satellite Temperature Wind Feels like Air quality Lightning

10-day forecast

Full 10-day

1. Today Windy 💧0% 43° 68°
2. Sun 18 Mostly cloudy 💧0% 49° 72°
3. Mon 19 Partly cloudy 💧0% 51° 76°
4. Tue 20 Mostly clear 💧0% 57° 81°
5. Wed 21 Mostly cloudy 💧0% 61° 84°
6. Thu 22 Mostly cloudy 💧0% 61° 85°
7. Fri 23 Mostly clear 💧0% 62° 85°
8. Sat 24 Partly cloudy 💧15% 65° 86°
9. Sun 25 Mostly cloudy 💧0% 67° 83°
10. Mon 26 Mostly cloudy 💧0% 66° 82°

14-day outlook & extended hourly ★ Premium

👕 Feels like

Today

High Low

Feels like UV index Air quality Wind Humidity Rain chance Visibility Pressure

Today17 Sun18 Mon19 Tue20 Wed21 Thu22 Fri23 Sat24 Sun25 Mon26

Today’s details

Wind 0 mphN · gusts 2

Humidity Comfortable

UV index Low

Air quality Good

Dew point32°Comfortable

Pressure30.50inHg · ↑ rising

Visibility10mi

Sun 7:36 AM – 7:00 PM11h 25m of daylight

About ZIP code 78666

ZIP code 78666 is San Marcos, in Hays County, Texas. This forecast is for the centre of the ZIP area at 29.882°, -97.985°, 3 mi from central San Marcos. Right now it’s 43° and clear; today’s high is 68° with a 0% chance of rain.

San Marcos, TX forecast

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