Port Gibson, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Port Gibson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast30%—89°75°—
- MondayJul 6Thunderstorm45%—90°70°+1°
- TuesdayJul 7Overcast31%—93°68°+3°
- WednesdayJul 8Overcast23%—95°73°+2°
- ThursdayJul 9Overcast10%—94°74°-1°
- FridayJul 10Mostly Clear14%—96°74°+2°
- SaturdayJul 11Overcast27%—97°72°+1°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 15.2 µg/m³ (AQI 62) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 15.2 µg/m³ (AQI 62) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:17 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Port Gibson at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: February 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 39150
15-Day Forecast — Port Gibson
- Sun89°75°30%
- Mon90°70°45%
- Tue93°68°31%
- Wed95°73°23%
- Thu94°74°10%
- Fri96°74°14%
- Sat97°72°27%
- Sun88°72°48%
- Mon95°71°31%
- Tue93°73°20%
- Wed97°74°18%
- Thu87°71°29%
- Fri91°72°23%
- Sat92°71°26%
- Sun83°71°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Port Gibson
SPC has placed Port Gibson in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Port Gibson
- 39150