Port Gibson, MS Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Gibson, MS in one place.
Sunny, with a high near 91. Heat index values as high as 99. North northeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Port Gibson, MS is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 8:38 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Port Gibson, MS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 8:38 PM CDT
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Gibson
Thursday looks like the warmest upcoming period in Port Gibson at 93 degrees F.
Saturday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph NNE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 8:38 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- JAN
- Radar station
- KDGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 70. East wind around 0 mph.
Sunny, with a high near 92. East northeast wind around 0 mph.
Partly cloudy, with a low around 72. Southeast wind around 0 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Southeast wind around 0 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Sunny, with a high near 92.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
91°F |
0 to 5 mph
NNE
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
70°F |
0 mph
|
|
Sunday
Aug 30
|
Sunny
|
92°F |
0 mph
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
72°F |
0 mph
|
|
Monday
Aug 31
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 31
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
0 mph
|
|
Tuesday
Sep 1
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 mph
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
0 mph
|
|
Wednesday
Sep 2
|
Sunny
|
92°F |
0 mph
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
73°F |
0 mph
|
|
Thursday
Sep 3
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Gibson.
Nearby forecast pages are not available for this location yet.
