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Catawba Island Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Chance of Showers | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 717 AM EDT Mon Aug 17 2026 
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Catawba Island Forecast Discussion
Issued: 711 AM EDT Mon Aug 17 2026
Key Messages
1) The next chance of widespread showers and storms will be with a cold front on Wednesday.
Discussion
... KEY MESSAGE 1... A cold front will move east across the area this morning. Scattered showers are possible this morning with a few thunderstorms possible near the front in southern zones during peak diurnal heating this afternoon. The best instability will be to the south of the CWA so severe weather is not expected.
From there, dry weather is expected ...