Marietta, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Marietta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle20%0.02″89°73°—
- MondayJul 6Overcast18%—88°71°-1°
- TuesdayJul 7Light Showers20%—93°73°+5°
- WednesdayJul 8Drizzle10%—94°71°+1°
- ThursdayJul 9Drizzle11%—96°71°+2°
- FridayJul 10Overcast17%—98°73°+2°
- SaturdayJul 11Light Drizzle35%0.02″96°73°-2°
AQI 45 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 48 now. With UV 7.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 now. With UV 7.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
- Present
- AQI 48
- UV peak
- 7.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- Wind
- light
- 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
- 11:08 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Marietta at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: March 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 38856
16-Day Forecast — Marietta
- Sun89°73°20%
- Mon88°71°18%
- Tue93°73°20%
- Wed94°71°10%
- Thu96°71°11%
- Fri98°73°17%
- Sat96°73°35%
- Sun94°71°33%
- Mon98°73°14%
- Tue85°66°9%
- Wed89°61°6%
- Thu96°67°24%
- Fri94°72°30%
- Sat93°72°30%
- Sun94°70°24%
- Mon93°70°36%
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 — Marietta
SPC has placed Marietta 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 Marietta
- 38856