Port Gibson, MS Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Port Gibson, MS in one place.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 97. Northwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
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: May 30, 2026 6:21 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Port Gibson, MS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 6:21 PM CDT
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Gibson
Monday looks like the warmest upcoming period in Port Gibson at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for This Afternoon at about 5 mph NW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 6:21 PM CDT
- Coverage
- 7 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
Patchy fog after 3am. Mostly cloudy, with a low around 74. Northwest wind around 0 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Patchy fog before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 101. West southwest wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Heat index values as high as 99. West southwest wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. West 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 74. North northwest wind around 0 mph. Chance of precipitation is 20%.
Sunny, with a high near 91. North wind 0 to 5 mph.
Mostly clear, with a low around 68. Northeast wind 0 to 5 mph.
A slight chance of rain showers after 1pm. Sunny, with a high near 85. Northeast wind around 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 66. Chance of precipitation is 20%.
Sunny, with a high near 87.
Partly cloudy, with a low around 68.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Slight Chance Showers And Thunderstorms
|
89°F |
5 mph
NW
|
|
Tonight
May 30
|
Mostly Cloudy then Patchy Fog
|
74°F |
0 mph
|
|
Sunday
May 31
|
Patchy Fog then Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
WSW
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 mph
|
|
Monday
Jun 1
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
W
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
74°F |
0 mph
|
|
Tuesday
Jun 2
|
Sunny
|
91°F |
0 to 5 mph
N
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
68°F |
0 to 5 mph
NE
|
|
Wednesday
Jun 3
|
Sunny then Slight Chance Rain Showers
|
85°F |
5 mph
NE
|
|
Wednesday Night
Jun 3
|
Slight Chance Rain Showers then Mostly Clear
|
66°F |
0 to 5 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
87°F |
5 mph
ESE
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
68°F |
0 to 5 mph
SE
|
|
Friday
Jun 5
|
Mostly Sunny then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SE
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
70°F |
5 mph
SSE
|
Nearby Forecasts
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Nearby forecast pages are not available for this location yet.
