Ashton, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ashton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers65%0.72″82°67°—
- SundayJul 5Overcast20%—82°65°0°
- MondayJul 6Overcast11%—80°62°-2°
- TuesdayJul 7Overcast——79°56°-1°
- WednesdayJul 8Overcast10%—80°62°+1°
- ThursdayJul 9Light Showers51%0.12″76°65°-4°
- FridayJul 10Overcast29%—79°62°+3°
AQI 24 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 2.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 4.6 µg/m³, PM10 to 6.0 µg/m³.
- PM2.5/PM10
- 0.77
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:54 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ashton at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61006
16-Day Forecast — Ashton
- Sat82°67°65%
- Sun82°65°20%
- Mon80°62°11%
- Tue79°56°1%
- Wed80°62°10%
- Thu76°65°51%
- Fri79°62°29%
- Sat81°62°12%
- Sun67°57°8%
- Mon73°55°10%
- Tue75°58°10%
- Wed78°61°26%
- Thu81°65°13%
- Fri81°68°26%
- Sat84°69°26%
- Sun83°71°32%
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 — Ashton
SPC has placed Ashton 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 Ashton
- 61006