Atlanta, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Atlanta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——74°54°—
- TuesdayJun 16Overcast35%—74°55°0°
- WednesdayJun 17T-storm w/ Hvy Hail90%—84°55°+10°
- ThursdayJun 18Light Drizzle90%—72°57°-12°
- FridayJun 19Mostly Clear——71°55°-1°
- SaturdayJun 20Light Drizzle15%0.01″73°56°+2°
- SundayJun 21Light Drizzle50%0.02″67°63°-6°
AQI 34 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 37 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 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 37 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 around 1 PM.
- Present
- AQI 37
- UV peak
- 6.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 33
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:29 AM
- Moonset
- 8:44 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Atlanta at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Atlanta
- Mon74°54°0%
- Tue74°55°35%
- Wed84°55°90%
- Thu72°57°90%
- Fri71°55°2%
- Sat73°56°15%
- Sun67°63°50%
- Mon72°56°50%
- Tue72°53°18%
- Wed75°56°8%
- Thu81°61°11%
- Fri87°70°19%
- Sat89°73°32%
- Sun88°73°23%
- Mon79°66°35%
- Tue81°63°45%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Atlanta
SPC has placed Atlanta in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Atlanta
- 61723