Cat Island, MS Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 17 		Partly Cloudy
Close Hourly 		-º / 79º 10% NW 8 mph 78%
9pm Mostly Clear 86º 7% WNW 9 mph 78%
10pm Partly Cloudy 85º 9% WNW 8 mph 78%
11pm Partly Cloudy 84º 6% NW 7 mph 80%
Sat
Jul 18 		Mostly Sunny
View Hourly 		90º / 80º 24% WNW 10 mph 70%
12am Partly Cloudy 84º 2% NW 7 mph 77%
1am Partly Cloudy 84º 2% NW 8 mph 77%
2am Partly Cloudy 83º 2% NW 7 mph 78%
3am Partly Cloudy 82º 3% NW 8 mph 79%
4am Partly Cloudy 82º 5% NNW 7 mph 80%
5am Mostly Clear 81º 5% NW 7 mph 81%
6am Mostly Clear 81º 5% NNW 8 mph 82%
7am Sunny 80º 5% NNW 8 mph 83%
8am Sunny 82º 5% NNW 9 mph 81%
9am Sunny 83º 5% NNW 9 mph 77%
10am Sunny 86º 3% NNW 8 mph 71%
11am Sunny 88º 2% NNW 7 mph 67%
12pm Sunny 89º 4% NNW 6 mph 64%
1pm Sunny 90º 7% WNW 6 mph 63%
2pm Sunny 90º 12% WSW 8 mph 63%
3pm Mostly Sunny 90º 15% WSW 9 mph 65%
4pm Partly Cloudy 89º 24% WSW 10 mph 67%
5pm Partly Cloudy 88º 23% W 9 mph 68%
6pm Partly Cloudy 89º 23% W 7 mph 68%
7pm Mostly Sunny 88º 24% WNW 7 mph 70%
8pm Mostly Clear 86º 11% W 6 mph 72%
9pm Partly Cloudy 85º 20% WNW 4 mph 74%
10pm Partly Cloudy 85º 18% NW 5 mph 76%
11pm Partly Cloudy 84º 7% NW 4 mph 77%
Sun
Jul 19 		Partly Cloudy
View Hourly 		90º / 80º 23% WNW 9 mph 70%
12am Mostly Clear 84º 7% NNW 4 mph 77%
1am Mostly Clear 84º 5% NNW 5 mph 79%
2am Clear 83º 7% NNW 4 mph 79%
3am Clear 83º 5% NNW 5 mph 81%
4am Clear 82º 6% NNW 6 mph 81%
5am Mostly Clear 82º 6% NNW 7 mph 81%
6am Clear 81º 6% NNW 7 mph 82%
7am Mostly Sunny 82º 4% NNW 8 mph 81%
8am Mostly Sunny 83º 11% NNW 9 mph 79%
9am Mostly Sunny 84º 3% N 9 mph 76%
10am Partly Cloudy 86º 2% N 8 mph 71%
11am Partly Cloudy 87º 2% N 7 mph 68%
12pm Mostly Sunny 89º 5% NNW 6 mph 65%
1pm Sunny 90º 9% W 7 mph 64%
2pm Mostly Sunny 90º 12% SW 8 mph 65%
3pm Partly Cloudy 90º 17% WSW 8 mph 65%
4pm Mostly Cloudy 88º 10% SW 9 mph 68%
5pm Partly Cloudy 89º 21% SW 8 mph 67%
6pm Mostly Cloudy 88º 23% SSW 8 mph 68%
7pm Mostly Cloudy 88º 8% WSW 6 mph 67%
8pm Mostly Cloudy 86º 8% W 6 mph 73%
Mon
Jul 20 		Isolated Thunderstorms 91º / 81º 36% W 8 mph 69%
Tue
Jul 21 		PM Thunderstorms 89º / 82º 37% W 10 mph 71%
Wed
Jul 22 		Isolated Thunderstorms 90º / 81º 33% WSW 12 mph 72%
Thu
Jul 23 		Partly Cloudy 90º / 79º 24% SSE 10 mph 68%
Fri
Jul 24 		Partly Cloudy 90º / 82º 24% ESE 8 mph 68%

Weather Radar for Cat Island, MS See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Cat Island, MS

Tonight
Low : 83ºF
WSW wind 10 to 15 kt becoming NW after midnight. Partly cloudy. Seas 2 to 3 ft.
Saturday
High : 91ºF
NW wind 5 to 10 kt becoming SW in the afternoon. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 to 2 ft.
Saturday Night
Low : 84ºF
W wind around 10 kt becoming NW after midnight. A slight chance of showers and thunderstorms before 7pm. Seas 1 to 2 ft.
Sunday
High : 91ºF
NW wind 5 to 10 kt becoming SW in the afternoon. A slight chance of showers and thunderstorms after 1pm. Seas 1 to 2 ft.
Sunday Night
Low : 84ºF
WSW wind around 10 kt becoming NNW after midnight. Mostly clear. Seas 1 to 2 ft.
Monday
High : 90ºF
NW wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms after 1pm. Seas 1 to 2 ft.
Monday Night
Low : 85ºF
SW wind 5 to 10 kt becoming W after midnight. Partly cloudy. Seas around 1 ft.
Tuesday
High : 90ºF
NW wind 5 to 10 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms. Seas 1 to 2 ft.
Tuesday Night
Low : 85ºF
SW wind 10 to 15 kt. Partly cloudy. Seas 2 to 3 ft.

NOAA Buoy Data Near Cat Island, MS See Map

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    Wind Speed Forecast for Cat Island, MS

    SaturdaySunday
    Wind Speed (MPH) 987969457978
    2am6am10am2pm6pm10pm2am6am10am2pm6pm10pm
    MPH 987969457978
    DIR WNWNWNWNNWWNWWWNWNNWNNWNWSW

    Current Weather Conditions In Cat Island, MS

    As Of: 39 minutes ago

    • 86ºF
    • 98ºF
    • 9mph
    • 0º (WNW)
    • 9mph
    • Mostly Clear
    • 10mi
    • 30.06"
    • 78%
    • 0ºF

    The weather right now in Cat Island, MS is Mostly Clear. The current temperature is 86°F, and the expected high and low for today, Friday, July 17, 2026, are -° high temperature and 79°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the West Northwest. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 98° Fahrenheit. Expected precipitation is 7 percent, with current humidity at 78 percent, and air pressure at 30.06 in. Visibility is 10 nautical miles. There are no current weather alert(s).