Lansing, Illinois Weather
Honeysuckle sweetens the night. Day 91 of spring. Read this microseason across nine climate regions →
Lansing weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 18Overcast——69°60°—
- FridayJun 19Overcast——75°57°+6°
- SaturdayJun 20Light Drizzle18%—80°60°+5°
- SundayJun 21Rain66%1.2″64°57°-16°
- MondayJun 22Overcast58%—71°57°+7°
- TuesdayJun 23Light Drizzle—0.03″68°58°-3°
- WednesdayJun 24Light Drizzle21%0.03″71°59°+3°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.9 µg/m³, PM10 at 6.0 µg/m³ — typical background levels with no transport signature.
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 31. Overcast through the UV peak window (cloud cover ~61%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 5.9 µg/m³, PM10 at 6.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 9:02 AM
- Moonset
- 11:11 PM
- In sign
- ♌︎ Leo
Honeysuckle sweetens the night
Lansing at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Lansing
- Thu70°60°2%
- Fri75°57°5%
- Sat80°60°18%
- Sun64°57°66%
- Mon71°57°58%
- Tue68°58°3%
- Wed71°59°21%
- Thu73°59°21%
- Fri67°60°24%
- Sat78°59°25%
- Sun85°66°25%
- Mon86°65°38%
- Tue78°66°45%
- Wed84°67°35%
- Thu81°65°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 18, 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.
ZIP codes in Lansing
- 60438