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Bayside, TX - Copano Bay Marine Weather Forecast

Tonight - 81°F
Jul 02, 2026
7 to 13 mph SSE
Slight Chance Rain Showers then Mostly Clear
A slight chance of rain showers between 7pm and 8pm. Mostly clear, with a low around 81. Heat index values as high as 99. South southeast wind 7 to 13 mph.
Friday - 89°F
Jul 03, 2026
5 to 14 mph SSE
Slight Chance Rain Showers
A slight chance of rain showers after 7am. Sunny, with a high near 89. Heat index values as high as 99. South southeast wind 5 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday Night - 80°F
Jul 03, 2026
7 to 14 mph SSE
Slight Chance Rain Showers then Mostly Clear
A slight chance of rain showers before 7pm. Mostly clear, with a low around 80. Heat index values as high as 100. South southeast wind 7 to 14 mph, with gusts as high as 18 mph.
Independence Day - 89°F
Jul 04, 2026
6 to 13 mph SSE
Sunny
Sunny, with a high near 89. Heat index values as high as 100. South southeast wind 6 to 13 mph, with gusts as high as 18 mph.
Saturday Night - 80°F
Jul 04, 2026
7 to 13 mph SSE
Partly Cloudy
Partly cloudy, with a low around 80. South southeast wind 7 to 13 mph, with gusts as high as 18 mph.
Sunday - 89°F
Jul 05, 2026
6 to 12 mph SSE
Mostly Sunny
Mostly sunny, with a high near 89. South southeast wind 6 to 12 mph.
Sunday Night - 79°F
Jul 05, 2026
7 to 13 mph SSE
Partly Cloudy
Partly cloudy, with a low around 79. South southeast wind 7 to 13 mph.
Monday - 90°F
Jul 06, 2026
5 to 13 mph SSE
Mostly Sunny
Mostly sunny, with a high near 90. South southeast wind 5 to 13 mph.
Monday Night - 80°F
Jul 06, 2026
7 to 13 mph SSE
Partly Cloudy
Partly cloudy, with a low around 80. South southeast wind 7 to 13 mph.
Tuesday - 90°F
Jul 07, 2026
6 to 13 mph SSE
Mostly Sunny
Mostly sunny, with a high near 90.
Tuesday Night - 80°F
Jul 07, 2026
7 to 13 mph SSE
Mostly Clear
Mostly clear, with a low around 80.
Wednesday - 90°F
Jul 08, 2026
6 to 13 mph SSE
Mostly Sunny
Mostly sunny, with a high near 90.
Wednesday Night - 80°F
Jul 08, 2026
9 to 14 mph SSE
Mostly Clear
Mostly clear, with a low around 80.
Thursday - 90°F
Jul 09, 2026
8 to 15 mph SSE
Mostly Sunny
Mostly sunny, with a high near 90.

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