Marietta, Georgia Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Marietta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Light Drizzle23%0.01″86°68°—
- ThursdayJun 18Thunderstorm86%0.48″79°70°-7°
- FridayJun 19T-storm w/ Hvy Hail74%0.01″80°69°+1°
- SaturdayJun 20Overcast——89°67°+9°
- SundayJun 21T-storm w/ Hail38%—92°71°+3°
- MondayJun 22Overcast40%—82°70°-10°
- TuesdayJun 23Overcast31%—88°67°+6°
AQI 31 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.98 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 7.9 µg/m³ (AQI 44) with a 0.98 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:55 AM
- Moonset
- 10:56 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Marietta at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Marietta
- Wed86°68°23%
- Thu79°70°86%
- Fri80°69°74%
- Sat89°67°6%
- Sun92°71°38%
- Mon82°70°40%
- Tue88°67°31%
- Wed88°71°26%
- Thu78°67°22%
- Fri88°67°25%
- Sat87°76°27%
- Sun92°72°32%
- Mon87°70°35%
- Tue87°71°35%
- Wed88°69°36%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Marietta
Right now in the garden
Peak growing season
As of June 17, 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 tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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
- 30090
- 30060
- 30062
- 30064
- 30067
- 30008
- 30006
- 30007