Cat Island, MS Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 17 		Thunderstorms Early
Close Hourly 		-º / 81º 94% WSW 12 mph 81%
8pm Showers 83º 49% SW 11 mph 80%
9pm Partly Cloudy 82º 21% SW 9 mph 81%
10pm Partly Cloudy 83º 2% WSW 7 mph 80%
11pm Partly Cloudy 84º 2% WSW 9 mph 79%
Tue
Aug 18 		Partly Cloudy
View Hourly 		91º / 82º 24% WSW 14 mph 73%
12am Partly Cloudy 85º 2% WSW 10 mph 78%
1am Partly Cloudy 85º 2% WSW 12 mph 79%
2am Partly Cloudy 85º 3% WSW 12 mph 79%
3am Partly Cloudy 85º 5% W 12 mph 81%
4am Partly Cloudy 84º 5% W 12 mph 81%
5am Partly Cloudy 84º 6% W 12 mph 81%
6am Mostly Cloudy 84º 6% WNW 11 mph 84%
7am Mostly Cloudy 83º 6% WNW 10 mph 85%
8am Mostly Cloudy 84º 6% WNW 11 mph 83%
9am Mostly Cloudy 84º 5% WNW 12 mph 81%
10am Mostly Cloudy 86º 5% WNW 10 mph 77%
11am Mostly Cloudy 87º 4% W 8 mph 73%
12pm Mostly Cloudy 88º 3% WSW 9 mph 70%
1pm Partly Cloudy 89º 15% SW 11 mph 68%
2pm Partly Cloudy 89º 15% SW 14 mph 69%
3pm Partly Cloudy 90º 15% SW 14 mph 67%
4pm Partly Cloudy 90º 15% SW 14 mph 66%
5pm Mostly Cloudy 90º 15% SW 14 mph 67%
6pm Showers 89º 38% SW 12 mph 69%
7pm Mostly Cloudy 88º 24% SW 10 mph 70%
8pm Few Showers 87º 33% SW 9 mph 73%
9pm Cloudy 85º 19% WSW 8 mph 76%
10pm Cloudy 85º 5% SW 8 mph 77%
11pm Mostly Cloudy 85º 5% WSW 7 mph 79%
Wed
Aug 19 		Partly Cloudy
View Hourly 		90º / 81º 24% WSW 14 mph 73%
12am Mostly Cloudy 84º 6% WSW 8 mph 78%
1am Mostly Cloudy 84º 5% W 8 mph 77%
2am Cloudy 84º 5% W 7 mph 78%
3am Mostly Cloudy 84º 6% W 8 mph 79%
4am Mostly Cloudy 84º 6% W 9 mph 80%
5am Partly Cloudy 84º 7% W 10 mph 81%
6am Partly Cloudy 84º 7% WNW 10 mph 84%
7am Partly Cloudy 83º 8% WNW 9 mph 85%
8am Partly Cloudy 84º 8% WNW 11 mph 82%
9am Partly Cloudy 85º 7% WNW 12 mph 80%
10am Partly Cloudy 86º 6% WNW 10 mph 76%
11am Partly Cloudy 87º 6% WNW 9 mph 73%
12pm Mostly Cloudy 88º 24% WSW 9 mph 70%
1pm Mostly Cloudy 89º 24% SW 13 mph 68%
2pm Mostly Cloudy 89º 15% SW 14 mph 70%
3pm Partly Cloudy 89º 15% SW 13 mph 68%
4pm Partly Cloudy 89º 15% SW 13 mph 66%
5pm Partly Cloudy 89º 15% SW 12 mph 67%
6pm Cloudy 89º 14% SW 11 mph 68%
7pm Mostly Cloudy 87º 20% SW 11 mph 72%
Thu
Aug 20 		PM Thunderstorms 90º / 81º 40% W 11 mph 72%
Fri
Aug 21 		PM Thunderstorms 91º / 80º 45% W 12 mph 71%
Sat
Aug 22 		Partly Cloudy 91º / 80º 24% W 11 mph 71%
Sun
Aug 23 		Mostly Sunny 91º / 81º 17% WSW 10 mph 69%
Mon
Aug 24 		Mostly Sunny 91º / 81º 20% WSW 10 mph 67%

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 : 85ºF
SW wind around 15 kt. Partly cloudy. Seas around 3 ft.
Tuesday
High : 91ºF
WNW wind 10 to 15 kt becoming SW in the afternoon. A slight chance of showers and thunderstorms after 5pm. Seas 2 to 3 ft.
Tuesday Night
Low : 85ºF
SW wind around 15 kt becoming W after midnight. A slight chance of showers and thunderstorms before 7pm. Seas 2 to 3 ft.
Wednesday
High : 90ºF
WNW wind around 10 kt becoming SW in the afternoon. A chance of showers and thunderstorms after 1pm. Seas around 2 ft.
Wednesday Night
Low : 84ºF
SW wind 10 to 15 kt becoming W after midnight. A slight chance of showers and thunderstorms before 1am. Seas 2 to 3 ft.
Thursday
High : 90ºF
WNW wind around 10 kt becoming SW in the afternoon. Sunny. Seas around 2 ft.
Thursday Night
Low : 83ºF
SW wind around 10 kt becoming W after midnight. Partly cloudy. Seas around 2 ft.
Friday
High : 90ºF
WNW wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Friday Night
Low : 83ºF
SSW wind around 10 kt becoming W after midnight. A chance of showers and thunderstorms before 1am. Seas around 2 ft.

NOAA Buoy Data Near Cat Island, MS See Map

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    Wind Speed Forecast for Cat Island, MS

    TuesdayWednesday
    Wind Speed (MPH) 1110121191498911913
    1am5am9am1pm5pm9pm1am5am9am1pm5pm9pm
    MPH 1110121191498911913
    DIR SWWSWWWNWWSWSWSWWSWWWNWWSWSW

    Current Weather Conditions In Cat Island, MS

    As Of: 26 minutes ago

    • 83ºF
    • 91ºF
    • 11mph
    • 0º (SW)
    • 11mph
    • Showers
    • 7mi
    • 30.04"
    • 80%
    • 0ºF

    The weather right now in Cat Island, MS is Showers. The current temperature is 83°F, and the expected high and low for today, Monday, August 17, 2026, are -° high temperature and 81°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the Southwest. The wind is gusting to 11 mph. With the wind and the atmosphere the temperature feels like 91° Fahrenheit. Expected precipitation is 49 percent, with current humidity at 80 percent, and air pressure at 30.04 in. Visibility is 7 nautical miles. There are no current weather alert(s).