Horn Island, MS Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Aug 4
Mostly Sunny
Close Hourly
87º / 81º 2% SSW 10 mph 66%
12pm Sunny 86º 1% SSW 5 mph 64%
1pm Sunny 86º 1% SSW 6 mph 63%
2pm Sunny 86º 2% SSW 8 mph 64%
3pm Mostly Sunny 86º 2% SSW 10 mph 68%
4pm Mostly Sunny 85º 1% SSW 9 mph 68%
5pm Sunny 86º 1% SSW 9 mph 67%
6pm Mostly Sunny 85º 2% SSW 9 mph 69%
7pm Sunny 85º 5% SSW 9 mph 69%
8pm Clear 84º 5% SSW 9 mph 72%
9pm Clear 84º 4% SSW 8 mph 74%
10pm Clear 84º 3% SW 7 mph 75%
11pm Clear 84º 3% SW 7 mph 75%
Wed
Aug 5
Mostly Sunny
View Hourly
86º / 80º 15% SW 11 mph 74%
12am Clear 83º 8% SW 7 mph 77%
1am Clear 84º 17% SW 8 mph 76%
2am Mostly Clear 83º 19% SW 8 mph 77%
3am Mostly Clear 83º 15% WSW 8 mph 76%
4am Mostly Clear 83º 9% WSW 9 mph 77%
5am Partly Cloudy 83º 6% W 8 mph 78%
6am Partly Cloudy 82º 6% W 7 mph 79%
7am Mostly Sunny 82º 10% WNW 6 mph 81%
8am Mostly Sunny 83º 15% WNW 6 mph 79%
9am Sunny 84º 9% WNW 6 mph 76%
10am Sunny 85º 8% WNW 5 mph 74%
11am Sunny 85º 10% WSW 5 mph 72%
12pm Sunny 85º 5% SSW 6 mph 72%
1pm Partly Cloudy 85º 15% SSW 8 mph 72%
2pm Partly Cloudy 85º 15% SSW 10 mph 72%
3pm Partly Cloudy 86º 15% SSW 11 mph 71%
4pm Mostly Sunny 85º 15% SSW 11 mph 72%
5pm Mostly Sunny 85º 15% SSW 11 mph 71%
6pm Mostly Sunny 85º 5% SSW 10 mph 72%
7pm Mostly Sunny 85º 10% SSW 10 mph 71%
8pm Clear 84º 6% S 8 mph 73%
9pm Clear 83º 4% S 8 mph 76%
10pm Mostly Clear 83º 7% SSW 7 mph 77%
11pm Clear 83º 7% SSW 8 mph 77%
Thu
Aug 6
AM Showers
View Hourly
85º / 80º 34% SE 10 mph 74%
12am Clear 83º 4% SSW 7 mph 76%
1am Mostly Clear 83º 8% SSW 6 mph 76%
2am Mostly Clear 83º 9% SSW 5 mph 76%
3am Partly Cloudy 83º 11% SW 5 mph 77%
4am Partly Cloudy 82º 19% SW 5 mph 77%
5am Few Showers 82º 32% SW 4 mph 79%
6am Partly Cloudy 82º 23% SW 4 mph 79%
7am Few Showers 81º 32% SSW 3 mph 81%
8am Showers 82º 35% ESE 3 mph 79%
9am Partly Cloudy 83º 20% ESE 4 mph 75%
10am Partly Cloudy 84º 15% ESE 5 mph 74%
11am Mostly Sunny 84º 11% ESE 6 mph 73%
Fri
Aug 7
AM Thunderstorms 86º / 80º 40% ESE 11 mph 72%
Sat
Aug 8
Partly Cloudy 87º / 80º 24% ESE 10 mph 73%
Sun
Aug 9
Scattered Thunderstorms 86º / 80º 51% SE 11 mph 74%
Mon
Aug 10
Thunderstorms 86º / 81º 70% S 10 mph 75%
Tue
Aug 11
AM Thunderstorms 87º / 81º 53% SSW 11 mph 73%

Weather Radar for Horn Island, MS See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Horn Island, MS

Today
High : 87ºF
NNE wind 5 to 10 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms between 2pm and 4pm. Seas 1 to 2 ft.
Tonight
Low : 83ºF
SSW wind around 10 kt becoming W after midnight. Mostly clear. Seas around 2 ft.
Wednesday
High : 87ºF
WNW wind 5 to 10 kt becoming S in the afternoon. A slight chance of showers and thunderstorms between 9am and 11am. Seas 1 to 2 ft.
Wednesday Night
Low : 83ºF
SSW wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.
Thursday
High : 86ºF
SSW wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
Low : 82ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
High : 86ºF
E wind 5 to 10 kt. A chance of showers and thunderstorms before 1pm. Seas 1 to 2 ft.
Friday Night
Low : 82ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Saturday
High : 86ºF
ENE wind 5 to 10 kt becoming SE in the afternoon. A slight chance of showers and thunderstorms. Seas 1 to 2 ft.

NOAA Buoy Data Near Horn Island, MS See Map

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    Wind Speed Forecast for Horn Island, MS

    TuesdayWednesdayThursday
    Wind Speed (MPH) 5997966118753
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 5997966118753
    DIR SSWSSWSSWSWWSWWNWSSWSSWSSSWSWESE

    Current Weather Conditions In Horn Island, MS

    As Of: 28 minutes ago

    • 86ºF
    • 92ºF
    • 5mph
    • 0º (SSW)
    • 5mph
    • Sunny
    • 10mi
    • 29.98"
    • 64%
    • 0ºF

    The weather right now in Horn Island, MS is Sunny. The current temperature is 86°F, and the expected high and low for today, Tuesday, August 4, 2026, are 87° high temperature and 81°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the South Southwest. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 92° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 64 percent, and air pressure at 29.98 in. Visibility is 10 nautical miles. There are no current weather alert(s).