Mershon, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mershon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——96°73°—
- SundayJul 5Overcast26%—98°77°+2°
- MondayJul 6Drizzle26%—97°76°-1°
- TuesdayJul 7Light Showers22%—96°75°-1°
- WednesdayJul 8T-storm w/ Hail41%—93°74°-3°
- ThursdayJul 9Heavy Drizzle41%—94°74°+1°
- FridayJul 10Light Drizzle17%—97°75°+3°
AQI 31 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 40 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
- Present
- AQI 40
- UV peak
- 6.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 35
PM × Wind × Precip
PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.80 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- 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
- 11:12 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mershon at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: February 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 31551
16-Day Forecast — Mershon
- Sat96°73°6%
- Sun98°77°26%
- Mon97°76°26%
- Tue96°75°22%
- Wed93°74°41%
- Thu94°74°41%
- Fri97°75°17%
- Sat98°77°19%
- Sun96°79°34%
- Mon92°74°34%
- Tue86°70°19%
- Wed91°69°30%
- Thu80°70°42%
- Fri82°73°42%
- Sat94°73°40%
- Sun94°75°48%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Mershon
SPC includes Mershon in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Mershon
- 31551