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

Smyrna, Georgia Weather

Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →

Smyrna weather forecast — hour by hour, 7-day outlook, NOAA radar

Smyrna, GA
Monday, June 15 at 9:09 AM
71
°
Clear
Feels like
73°
Humidity
80%
Wind
9 mph
Sunrise
2:26 AM
Sunset
4:50 PM
Smyrna, GA
Hour by hour · 24h
24-Hour ForecastSmyrna, GA: 24-hour forecast. Temperatures range from 68 to 84 degrees Fahrenheit.
L 68°H 84°
Smyrna, GA
7-day forecast
  1. Today
    Jun 15
    Overcast
    84°69°
  2. Tuesday
    Jun 16
    Light Rain
    63%
    0.16″
    75°68°-9°
  3. Wednesday
    Jun 17
    Thunderstorm
    56%
    0.02″
    82°68°+7°
  4. Thursday
    Jun 18
    Thunderstorm
    82%
    0.96″
    78°70°-4°
  5. Friday
    Jun 19
    T-storm w/ Hail
    68%
    0.07″
    78°70°
  6. Saturday
    Jun 20
    Overcast
    37%
    86°64°+8°
  7. Sunday
    Jun 21
    Overcast
    20%
    91°69°+5°
Smyrna, GA
Anemometer · 24h winds · from true
NESW
From · True
NW
307° · veering 46°
Direction
NW
307°
Sustained
9
mph
Gust
15
mph
Peak 24h
27
avg 8
Beaufort · 3 · GENTLE BRZ
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 8 · pk 27 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 192SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 46° from the nw.
Smyrna, GA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
978.2
+2.1 mb in 3h · rising rapidly · 28.89 inHg
Now
978.2
mb
3h
+2.1
mb
12h
+1.3
mb
24h
-0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 975979
970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW979.2975.2978.2
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Smyrna, GA
Air quality
39
AQI
Good
-3 in 6h

AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
5.8μg/m³
PM 10Good
6μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
74μg/m³
UV IndexLow
1.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 35
UV peak
3.8 at 1 PM
Sky at peak
overcast
Projected peak
AQI 9

PM × Wind × Precip

PM2.5 at 5.8 µg/m³, PM10 at 6.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.97
Wind
light
Recent rain
0h in last 6h
Pattern
background
Smyrna, GA
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
37.9mi
UNLIMITED
62 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
13:09 UTC · Smyrna, 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
13:09 UTC · Smyrna, GA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Smyrna, GA
Satellite · infrared · animated
Smyrna, GA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Smyrna, GA
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:58 AM
Sunrise
2:26 AM
Daylight
14h 24m
Sunset
4:50 PM
Civil dusk
9:20 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Smyrna, GA
The moon
New Moon
0% illuminated
Moonrise
6:34 AM
Moonset
9:00 PM
In sign
♋︎ Cancer
Smyrna, GA
Microseason
Jun 11–15

Sun climbs to its northern throne

insect
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Smyrna at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: March 10 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Smyrna

  1. Mon84°69°2%
  2. Tue75°68°63%
  3. Wed82°68°56%
  4. Thu78°70°82%
  5. Fri78°70°68%
  6. Sat86°64°37%
  7. Sun91°69°20%
  8. Mon84°71°35%
  9. Tue83°69°35%
  10. Wed74°67°34%
  11. Thu86°66°24%
  12. Fri91°72°33%
  13. Sat97°75°39%
  14. Sun98°78°39%
  15. Mon99°77°32%
  16. Tue99°79°36%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Smyrna

Right now in the garden

Peak growing season

As of June 15, 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 — Smyrna

SPC has placed Smyrna in the General Thunderstorms category for severe thunderstorms tomorrow.

  • TODAYNONENo severe risk
  • 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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coastMay 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · June 11–15

Sun climbs to its northern throne

Days lengthen toward solstice; longest light lingers until after 8 PM, heat building steadily.

Day 166 of 365 · Wedge 33 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January
February
Marchlettuce, peas, spinach, radishes
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septembertomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots
December

A year in weather

The year in Smyrna tops out in July (~79°F) and dips lowest in January (~42°F), with December wettest at 4.9 inches and October driest at 2.1 inches.

MonthMean tempPrecipRainy days
January42°4.615
February45°3.913
March53°4.615
April61°3.814
May69°2.913
June77°3.816
July79°4.222
August78°4.723
September73°2.914
October64°2.110
November52°3.612
December45°4.915

Regional context

Per NOAA NCEI 1991-2020 normals, Smyrna runs from a 42°F January mean to 79°F in July, a 37°F seasonal spread, with near 46 inches of precipitation across about 181 wet days.

Smyrna's precipitation spreads evenly: December peaks at 4.9 inches on 14.5 wet days, while October holds 2.1 inches over 9.7 — no month dominates Smyrna's rain calendar. It is a balanced pattern Smyrna shares with places like Vinings, GA, Fair Oaks, GA and Mableton, GA.

Smyrna reaches its last hard frost near mid-March; that is the cue for peas, lettuce, spinach, and radishes. Heat-demanding starts go out a fortnight on in Smyrna, after the soil warms and cold snaps clear. By mid-December, frost is back in Smyrna — protect or harvest anything tender. Smyrna's low ground holds frost later into spring than Smyrna's benches, which run 3-5 days ahead.

Similar climates: Vinings, GA, Fair Oaks, GA, Mableton, GA, Marietta, GA, Austell, GA.

Frequently asked

When does it freeze in Smyrna?
Frost typically leaves Smyrna by mid-March and returns to Smyrna near mid-December.
What is the rainy season in Smyrna?
Rainfall in Smyrna peaks in December near 4.9 inches, out of about 46 inches annually.
What is the warmest month in Smyrna?
The warmest stretch in Smyrna comes in July, around 79°F on average.
What is the coldest month in Smyrna?
On average January is the chilliest month in Smyrna, about 42°F.
When can I start a vegetable garden in Smyrna?
Time tomatoes in Smyrna for two weeks after mid-March; peas and greens start at Smyrna's frost line.
How many rainy days does Smyrna get?
Smyrna records around 181 days of measurable precipitation annually.
What hardiness zone is Smyrna?
Smyrna's USDA zone comes from its January mean (42°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Smyrna?
Smyrna's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Smyrna?
See this week's day-by-day rain chances for Smyrna in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Smyrna?
Current conditions for Smyrna and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Smyrna forecast updated?
The Smyrna forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Smyrna?
Day length in Smyrna peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
How accurate is the weather forecast for Smyrna?
The next few days in Smyrna's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Smyrna, Georgia occupies a humid subtropical zone, with January means near 42°F and July around 79°F — a 37°F swing.

Across the year, Smyrna collects about 46 inches of precipitation over roughly 181 days with measurable rain or snow.

Latitude 33.9°N gives Smyrna its 37°F swing, and with it the rhythm of Smyrna's growing season.

ZIP codes in Smyrna

  • 30126
  • 30082
  • 30080
  • 30081

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.