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Lake Barbara, TX Weather Forecast
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Lake Barbara Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | | | | | | | | | |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 80°FLo: 27°C | Hi: 95°FHi: 35°C | Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C | Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C | Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C | Lo: 79°FLo: 26°C | Hi: 91°FHi: 33°C | Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 122 AM CDT Fri Aug 21 2026 
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Lake Barbara Forecast Discussion
Issued: 1221 AM CDT Fri Aug 21 2026
Key Messages
- Heat Advisory in effect through Saturday. Could be extended into Sunday.
- Isolated thunderstorms are possible later today and this evening, and again Saturday afternoon and evening.
- Hot weather expected to continue through next week.
Discussion
... Issued at 1202 AM CDT Fri Aug 21 2026
It`s hard to not sound like a broken record when we`re in the middle of a very hot and generally dry pattern. A strong ridge centered over the Four Corners region will be the dominant player in our forecas...