New Baden, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
New Baden weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Partly Cloudy——76°59°—
- TuesdayJun 16Light Drizzle29%0.02″80°56°+4°
- WednesdayJun 17T-storm w/ Hail74%—91°60°+11°
- ThursdayJun 18Light Showers74%—76°64°-15°
- FridayJun 19Overcast19%—78°57°+2°
- SaturdayJun 20Overcast——80°58°+2°
- SundayJun 21Thunderstorm46%—88°63°+8°
AQI 43 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 4.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
PM × Wind × Precip
PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 5:38 AM
- Moonset
- 8:39 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
New Baden at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — New Baden
- Mon76°59°0%
- Tue80°56°29%
- Wed91°60°74%
- Thu76°64°74%
- Fri78°57°19%
- Sat80°58°8%
- Sun88°63°46%
- Mon88°72°55%
- Tue79°70°20%
- Wed77°66°14%
- Thu83°66°17%
- Fri83°63°26%
- Sat79°66°32%
- Sun91°66°23%
- Mon84°64°31%
- Tue80°64°32%
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 — New Baden
SPC has placed New Baden in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 New Baden
- 62265