Weather StoryAlmanac, microseasons, and the day's weather story.

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

Mershon, GA
Saturday, July 4 at 11:15 AM
87
°
Clear
Feels like
98°
Humidity
64%
Wind
3 mph
Sunrise
2:29 AM
Sunset
4:37 PM
Mershon, GA
Hour by hour · 24h
24-Hour ForecastMershon, GA: 24-hour forecast. Temperatures range from 77 to 96 degrees Fahrenheit.
L 77°H 96°
Mershon, GA
7-day forecast
  1. Today
    Jul 4
    Clear
    96°73°
  2. Sunday
    Jul 5
    Overcast
    26%
    98°77°+2°
  3. Monday
    Jul 6
    Drizzle
    26%
    97°76°-1°
  4. Tuesday
    Jul 7
    Light Showers
    22%
    96°75°-1°
  5. Wednesday
    Jul 8
    T-storm w/ Hail
    41%
    93°74°-3°
  6. Thursday
    Jul 9
    Heavy Drizzle
    41%
    94°74°+1°
  7. Friday
    Jul 10
    Light Drizzle
    17%
    97°75°+3°
Mershon, GA
Anemometer · 24h winds · from true
NESW
From · True
NW
321° · backing 25°
Direction
NW
321°
Sustained
3
mph
Gust
6
mph
Peak 24h
14
avg 3
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 3 · pk 14 @ 8:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 237SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Mershon, GA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.0
-0.7 mb in 3h · falling · 29.85 inHg
Now
1011.0
mb
3h
-0.7
mb
12h
-1.3
mb
24h
-2.7
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.71010.61011.0
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Mershon, GA
Air quality
31
AQI
Good
-7 in 6hPeak ~41 @ 9 PM

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.

PM 2.5Good
5.9μg/m³
PM 10Good
7μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
84μg/m³
UV IndexHigh
5.7

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
Mershon, GA
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
55.0mi
UNLIMITED
101 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:15 UTC · Mershon, GA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:15 UTC · Mershon, GA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mershon, GA
Satellite · infrared · animated
Mershon, GA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mershon, GA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:02 AM
Sunrise
2:29 AM
Daylight
14h 08m
Sunset
4:37 PM
Civil dusk
9:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mershon, GA
The moon
Waning Gibbous
81% illuminated
Moonrise
11:12 PM
Moonset
10:42 AM
In sign
♓︎ Pisces
Mershon, GA
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sat96°73°6%
  2. Sun98°77°26%
  3. Mon97°76°26%
  4. Tue96°75°22%
  5. Wed93°74°41%
  6. Thu94°74°41%
  7. Fri97°75°17%
  8. Sat98°77°19%
  9. Sun96°79°34%
  10. Mon92°74°34%
  11. Tue86°70°19%
  12. Wed91°69°30%
  13. Thu80°70°42%
  14. Fri82°73°42%
  15. Sat94°73°40%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.