San Marcos, TX 78667 Weather

Hays County4:00 PM CDT30.05°N, 98.00°W

Current conditions

Sunny
83°
Sunny
Feels like 82°
High 83°·Low 57°
WindSE 10 mph gusts 16 mph
Humidity33%
Dew point51°
Visibility10 mi
Cloud cover5%
UV index3 Moderate
Sunrise7:40 AM
Sunset6:54 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day
  • Friday

    Sunny, with a high near 83. South wind 0 to 10 mph.

  • Friday Night

    Mostly clear, with a low around 57. Southeast wind 0 to 5 mph.

  • Saturday

    Mostly sunny, with a high near 83. Southeast wind 0 to 10 mph, with gusts as high as 20 mph.

National Weather Service forecast updated 1 day ago.

  1. Now Sunny 83°
  2. 5 PM Sunny 81°
  3. 6 PM Mostly Clear 80°
  4. 7 PM Mostly Clear 75°
  5. 8 PM Mostly Clear 70°
  6. 9 PM Mostly Clear 68°
  7. 10 PM Mostly Clear 66°
  8. 11 PM Mostly Clear 65°
  9. Sat12 AM Mostly Clear 63°
  10. 1 AM Mostly Clear 62°
  11. 2 AM Mostly Clear 60°
  12. 3 AM Mostly Clear 59°
  13. 4 AM Mostly Clear 59°
  14. 5 AM Mostly Clear 58°
  15. 6 AM Mostly Sunny 57°
  16. 7 AM Mostly Sunny 58°
  17. 8 AM Mostly Sunny 61°
  18. 9 AM Mostly Sunny 65°
  19. 10 AM Mostly Sunny 70°
  20. 11 AM Mostly Sunny 74°
  21. 12 PM Mostly Sunny 77°
  22. 1 PM Mostly Sunny 80°
  23. 2 PM Mostly Sunny 82°
  24. 3 PM Mostly Sunny 83°

10-day forecast

Details
  1. ThuOct 22 Sunny Sunny57°85°
  2. TodayOct 23 Sunny Sunny57°83°
  3. SatOct 24 Mostly Sunny Mostly Sunny59°83°
  4. SunOct 25 Partly Sunny Partly Sunny56°80°
  5. MonOct 26 Partly Sunny Partly Sunny15%60°79°
  6. TueOct 27 Slight Chance Showers And Thunderstorms Slight Chance Showers And Thunderstorms25%56°76°
  7. WedOct 28 Mostly Sunny Mostly Sunny56°77°
  8. ThuOct 29 Rain Rain0.07 in65°80°
  9. FriOct 30 Cloudy Cloudy0.11 in59°74°
  10. SatOct 31 Heavy rain Heavy rain1.06 in59°72°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

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Weather news near San Marcos

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Air quality

71
Moderate
Ozone

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • FriModerate
  • SatModerate
  • SunModerate

Austin, TX reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:40 AM
Sunset 6:54 PM
Daylight 11 h 14 min (−1 min 41 s tomorrow)
Waxing Gibbous · 93% lit
Moonrise 5:13 PM Moonset 5:03 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low80° / 55°
Record high92° (2025)
Record low38° (1945)
Wettest3.43 in (2004)
Month to date1.75 in (normal 2.88 in)

Austin-Bergstrom Airport Area, records since 1942. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.