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Kspl-Am San Marcos, TX Weather Forecast
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Kspl-Am San Marcos Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY |
 |  |  |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Clear | Sunny | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Hi: 99°FHi: 37°C Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C Lo: 75°FLo: 24°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 132 PM CDT Thu Aug 27 2026 
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Issued: 144 PM CDT Thu Aug 27 2026
Key Messages
Updated at 132 PM CDT Thu Aug 27 2026- A Heat Advisory remains in effect for the Coastal Plains and I-35 corridor through 7 PM CDT this evening.
- Low to medium rain/storm chances for most areas mid to late afternoon through this evening and some locations Friday. Otherwise, hot and predominantly dry weather persists over the weekend and the new week.
Aviation
... (18Z TAFS) Issued at 1230 PM CDT Thu Aug 27 2026
Forecast package largely remains on track from previous issuance. Main changes...