Horn Island, MS Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Tue Aug 4 |
 |
Mostly Sunny Close Hourly |
88º / 81º | 2% | SSW 11 mph | 63% |
| 2pm | |
Mostly Sunny | 87º | 1% | SSW 10 mph | 60% |
| 3pm | |
Mostly Sunny | 88º | 1% | SSW 11 mph | 61% |
| 4pm | |
Mostly Sunny | 87º | 1% | SSW 10 mph | 62% |
| 5pm |  |
Sunny | 86º | 1% | SSW 9 mph | 67% |
| 6pm | |
Sunny | 85º | 2% | SSW 8 mph | 69% |
| 7pm | |
Sunny | 85º | 2% | SSW 9 mph | 69% |
| 8pm |  |
Clear | 84º | 3% | SSW 9 mph | 73% |
| 9pm | |
Clear | 84º | 4% | SSW 8 mph | 74% |
| 10pm | |
Clear | 84º | 3% | SW 7 mph | 75% |
| 11pm | |
Clear | 84º | 4% | SW 7 mph | 76% |
|
Wed Aug 5 |
|
Mostly Sunny View Hourly |
86º / 80º | 15% | SW 11 mph | 74% |
| 12am | |
Clear | 83º | 8% | SW 7 mph | 76% |
| 1am | |
Clear | 84º | 17% | SW 7 mph | 75% |
| 2am |  |
Mostly Clear | 83º | 19% | SW 8 mph | 76% |
| 3am | |
Mostly Clear | 83º | 15% | WSW 8 mph | 77% |
| 4am | |
Mostly Clear | 83º | 8% | WSW 9 mph | 77% |
| 5am |  |
Partly Cloudy | 83º | 6% | W 8 mph | 78% |
| 6am | |
Partly Cloudy | 82º | 6% | W 7 mph | 80% |
| 7am | |
Mostly Sunny | 82º | 10% | WNW 6 mph | 81% |
| 8am | |
Mostly Sunny | 83º | 15% | WNW 6 mph | 80% |
| 9am | |
Sunny | 83º | 9% | WNW 6 mph | 77% |
| 10am | |
Sunny | 85º | 8% | WNW 5 mph | 74% |
| 11am | |
Sunny | 85º | 10% | WSW 4 mph | 72% |
| 12pm | |
Sunny | 85º | 5% | SSW 6 mph | 73% |
| 1pm |  |
Partly Cloudy | 85º | 15% | SSW 8 mph | 72% |
| 2pm | |
Partly Cloudy | 85º | 15% | SSW 9 mph | 71% |
| 3pm | |
Partly Cloudy | 86º | 15% | SSW 10 mph | 70% |
| 4pm | |
Mostly Sunny | 85º | 15% | SSW 11 mph | 72% |
| 5pm | |
Mostly Sunny | 85º | 15% | SSW 11 mph | 72% |
| 6pm | |
Sunny | 85º | 5% | SSW 10 mph | 73% |
| 7pm | |
Sunny | 85º | 11% | S 10 mph | 72% |
| 8pm | |
Clear | 84º | 7% | S 9 mph | 75% |
| 9pm | |
Clear | 83º | 5% | SSW 9 mph | 77% |
| 10pm | |
Clear | 83º | 8% | SSW 8 mph | 77% |
| 11pm | |
Clear | 83º | 7% | SSW 8 mph | 77% |
|
Thu Aug 6 |
 |
AM Showers View Hourly |
85º / 80º | 34% | SE 9 mph | 74% |
| 12am | |
Clear | 83º | 4% | SSW 7 mph | 76% |
| 1am | |
Mostly Clear | 83º | 9% | SSW 6 mph | 77% |
| 2am | |
Mostly Clear | 83º | 9% | SSW 5 mph | 76% |
| 3am | |
Partly Cloudy | 83º | 11% | SW 4 mph | 76% |
| 4am | |
Partly Cloudy | 83º | 19% | SW 4 mph | 77% |
| 5am |  |
Few Showers | 82º | 32% | SW 4 mph | 80% |
| 6am | |
Partly Cloudy | 82º | 23% | SSW 4 mph | 80% |
| 7am | |
Few Showers | 81º | 32% | S 3 mph | 81% |
| 8am | |
Showers | 82º | 35% | SE 3 mph | 79% |
| 9am | |
Partly Cloudy | 83º | 20% | ESE 4 mph | 76% |
| 10am | |
Partly Cloudy | 84º | 15% | ESE 5 mph | 74% |
| 11am | |
Mostly Sunny | 84º | 12% | SE 6 mph | 73% |
| 12pm | |
Mostly Sunny | 84º | 9% | SE 7 mph | 73% |
| 1pm | |
Mostly Sunny | 84º | 9% | SE 8 mph | 74% |
|
Fri Aug 7 |
 |
Isolated Thunderstorms | 86º / 80º | 48% | ESE 11 mph | 73% |
|
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% |
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Buoy Data
For Horn Island, MS -
Wind Forecast
In Horn Island, MS -
Radar
In Horn Island, MS -
Marine Forecast
In Horn Island, MS
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
| Tuesday | Wednesday | Thursday | ||||||||||
| Wind Speed (MPH) | 10 | 8 | 7 | 8 | 7 | 5 | 9 | 10 | 8 | 5 | 4 | 5 |
| 7pm | 11pm | 3am | 7am | 11am | 3pm | 7pm | 11pm | 3am | 7am | 11am | 3pm | |
| MPH | 10 | 8 | 7 | 8 | 7 | 5 | 9 | 10 | 8 | 5 | 4 | 5 |
| DIR | SSW | SSW | SW | SW | W | WNW | SSW | SSW | SSW | SSW | SSW | ESE |
Current Weather Conditions In Horn Island, MS
As Of: 27 minutes ago
- 87ºF
- 94ºF
- 10mph
- 0º (SSW)
- 10mph
- Mostly Sunny
- 10mi
- 29.96"
- 60%
- 0ºF
The weather right now in Horn Island, MS is Mostly Sunny. The current temperature is 87°F, and the expected high and low for today, Tuesday, August 4, 2026, are 88° high temperature and 81°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the South Southwest. The wind is gusting to 10 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 60 percent, and air pressure at 29.96 in. Visibility is 10 nautical miles. There are no current weather alert(s).
