Andover, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Andover weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle69%0.01″84°68°—
- SundayJul 5Overcast21%—83°68°-1°
- MondayJul 6Mostly Clear——81°64°-2°
- TuesdayJul 7Partly Cloudy——79°59°-2°
- WednesdayJul 8Overcast18%—83°62°+4°
- ThursdayJul 9Thunderstorm27%0.01″83°69°0°
- FridayJul 10Overcast27%—79°64°-4°
AQI 21 (Good), driven by Ozone. AQI projected to climb to 39 over the next 6 hours.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.88 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- calm
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:57 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Andover at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61233
16-Day Forecast — Andover
- Sat84°68°69%
- Sun83°68°21%
- Mon81°64°3%
- Tue79°59°3%
- Wed83°62°18%
- Thu83°69°27%
- Fri79°64°27%
- Sat83°65°15%
- Sun67°58°9%
- Mon74°56°7%
- Tue74°60°10%
- Wed78°64°15%
- Thu80°66°19%
- Fri81°68°20%
- Sat84°70°23%
- Sun85°71°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Andover
SPC has placed Andover in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Andover
- 61233
- 61238
- 61262