Bethany, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Bethany weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——74°56°—
- TuesdayJun 16Heavy Drizzle34%0.04″76°55°+2°
- WednesdayJun 17T-storm w/ Hvy Hail94%—85°55°+9°
- ThursdayJun 18Drizzle94%—74°59°-11°
- FridayJun 19Light Drizzle——74°56°0°
- SaturdayJun 20Overcast——76°55°+2°
- SundayJun 21T-storm w/ Hail47%0.28″80°60°+4°
AQI 32 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 46 — 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 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 5.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 46
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
- 5:30 AM
- Moonset
- 8:40 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Bethany at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Bethany
- Mon74°56°0%
- Tue76°55°34%
- Wed85°55°94%
- Thu74°59°94%
- Fri74°56°3%
- Sat76°55°9%
- Sun80°60°47%
- Mon82°65°47%
- Tue74°65°19%
- Wed77°62°9%
- Thu79°62°9%
- Fri78°61°19%
- Sat72°62°39%
- Sun83°64°32%
- Mon73°63°35%
- Tue70°60°39%
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 — Bethany
SPC has placed Bethany in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- 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 Bethany
- 61914