Horn Island, MS Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 15 		Mostly Sunny
Close Hourly 		87º / 80º 2% WSW 12 mph 70%
10am Partly Cloudy 81º 2% WNW 9 mph 78%
11am Partly Cloudy 82º 2% WNW 8 mph 75%
12pm Partly Cloudy 83º 1% W 9 mph 72%
1pm Partly Cloudy 85º 1% W 10 mph 68%
2pm Mostly Sunny 86º 1% WSW 12 mph 67%
3pm Mostly Sunny 86º 1% WSW 11 mph 66%
4pm Mostly Sunny 86º 1% WSW 11 mph 66%
5pm Sunny 86º 2% WSW 12 mph 66%
6pm Sunny 87º 2% SW 12 mph 65%
7pm Sunny 87º 2% SW 11 mph 65%
8pm Clear 85º 5% SW 10 mph 72%
9pm Clear 84º 3% WSW 9 mph 73%
10pm Clear 84º 3% WSW 9 mph 74%
11pm Clear 84º 3% WSW 9 mph 74%
Thu
Jul 16 		Mostly Sunny
View Hourly 		87º / 81º 5% W 11 mph 71%
12am Clear 84º 4% WSW 9 mph 76%
1am Clear 84º 3% WSW 9 mph 76%
2am Clear 83º 4% WSW 8 mph 76%
3am Clear 83º 4% W 8 mph 76%
4am Clear 82º 4% W 8 mph 77%
5am Clear 82º 5% WNW 8 mph 80%
6am Mostly Clear 81º 5% WNW 8 mph 80%
7am Mostly Sunny 81º 5% WNW 7 mph 82%
8am Mostly Sunny 83º 5% NW 6 mph 80%
9am Mostly Sunny 83º 5% NW 7 mph 77%
10am Mostly Sunny 84º 4% NW 7 mph 74%
11am Mostly Sunny 85º 4% WNW 6 mph 72%
12pm Mostly Sunny 86º 3% W 6 mph 68%
1pm Mostly Sunny 87º 3% WSW 7 mph 66%
2pm Mostly Sunny 87º 3% SW 9 mph 66%
3pm Mostly Sunny 87º 3% SW 10 mph 66%
4pm Sunny 87º 3% SW 10 mph 66%
5pm Sunny 87º 3% SW 11 mph 66%
6pm Sunny 87º 3% SW 11 mph 68%
7pm Sunny 87º 4% SW 11 mph 69%
8pm Clear 86º 7% SW 10 mph 73%
9pm Clear 85º 7% SW 9 mph 77%
10pm Clear 85º 4% SW 10 mph 77%
11pm Clear 85º 5% WSW 10 mph 79%
Fri
Jul 17 		Mostly Sunny
View Hourly 		90º / 80º 24% W 13 mph 71%
12am Partly Cloudy 84º 4% WSW 11 mph 79%
1am Partly Cloudy 84º 4% W 11 mph 79%
2am Partly Cloudy 84º 5% W 11 mph 79%
3am Partly Cloudy 84º 5% W 11 mph 81%
4am Partly Cloudy 83º 6% WNW 11 mph 82%
5am Partly Cloudy 82º 6% WNW 11 mph 83%
6am Partly Cloudy 82º 6% WNW 10 mph 84%
7am Partly Cloudy 82º 7% NW 10 mph 86%
8am Partly Cloudy 83º 6% NW 10 mph 82%
9am Mostly Sunny 84º 6% NW 11 mph 78%
Sat
Jul 18 		PM Showers 91º / 80º 48% WNW 11 mph 68%
Sun
Jul 19 		PM Thunderstorms 91º / 80º 46% WNW 12 mph 69%
Mon
Jul 20 		Isolated Thunderstorms 90º / 80º 34% W 12 mph 70%
Tue
Jul 21 		Mostly Sunny 90º / 80º 24% W 12 mph 71%
Wed
Jul 22 		Partly Cloudy 90º / 80º 24% W 11 mph 72%

Weather Radar for Horn Island, MS See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Horn Island, MS

Today
High : 87ºF
W wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Tonight
Low : 83ºF
SW wind around 10 kt. Mostly clear. Seas around 2 ft.
Thursday
High : 88ºF
WNW wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 to 2 ft.
Thursday Night
Low : 83ºF
SW wind around 10 kt becoming W after midnight. Partly cloudy. Seas around 2 ft.
Friday
High : 90ºF
NW wind 5 to 10 kt becoming WSW in the afternoon. Sunny. Seas 1 to 2 ft.
Friday Night
Low : 83ºF
WSW wind 10 to 15 kt becoming WNW after midnight. Partly cloudy. Seas 2 to 3 ft.
Saturday
High : 90ºF
NW wind around 10 kt becoming WSW in the afternoon. Sunny. Seas 2 to 3 ft.
Saturday Night
Low : 84ºF
WNW wind 10 to 15 kt. Partly cloudy. Seas around 3 ft.
Sunday
High : 90ºF
WNW wind 10 to 15 kt becoming WSW in the afternoon. A slight chance of showers and thunderstorms after 1pm. Seas 2 to 3 ft.

NOAA Buoy Data Near Horn Island, MS See Map

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    Wind Speed Forecast for Horn Island, MS

    WednesdayThursdayFriday
    Wind Speed (MPH) 912129887911101110
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 912129887911101110
    DIR WNWWSWSWWSWWSWWNWNWSWSWSWWWNW

    Current Weather Conditions In Horn Island, MS

    As Of: 52 minutes ago

    • 81ºF
    • 88ºF
    • 9mph
    • 0º (WNW)
    • 9mph
    • Partly Cloudy
    • 10mi
    • 30.12"
    • 78%
    • 0ºF

    The weather right now in Horn Island, MS is Partly Cloudy. The current temperature is 81°F, and the expected high and low for today, Wednesday, July 15, 2026, are 87° high temperature and 80°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 88° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 78 percent, and air pressure at 30.12 in. Visibility is 10 nautical miles. There are no current weather alert(s).