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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Partly Cloudy
93°F
34°C
| Humidity | 54% |
| Wind Speed | S 12 G 17 mph |
| Barometer | 30.09 in (1017.9 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 103°F (39°C) |
| Last update | 6 Aug 11:56 am CDT |
Extended Forecast for
2 Miles E Staples TX
This Afternoon

High: 100 °F
Slight Chance
T-stormsTonight
Low: 76 °F
Slight Chance
T-storms then
Partly CloudyFriday

High: 98 °F
Mostly Sunny
Friday Night

Low: 75 °F
Mostly Clear
Saturday

High: 98 °F
Mostly Sunny
Saturday Night

Low: 76 °F
Mostly Clear
Sunday

High: 97 °F
Mostly Sunny
Sunday Night

Low: 75 °F
Partly Cloudy
Monday

High: 97 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 106. South wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 76. East southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph becoming light south after midnight.
Saturday
Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 97. Light south wind becoming south southeast 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 97. Light south southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny and hot, with a high near 100.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles E Staples TX
29.79°N 97.78°W (Elev. 499 ft)
29.79°N 97.78°W (Elev. 499 ft)
11:46 am CDT Aug 6, 2026
12pm CDT Aug 6, 2026-6pm CDT Aug 12, 2026


