Hudson, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Hudson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast17%—83°69°—
- MondayJul 6Overcast——82°66°-1°
- TuesdayJul 7Overcast——81°62°-1°
- WednesdayJul 8Overcast——81°65°0°
- ThursdayJul 9Thunderstorm50%0.57″83°66°+2°
- FridayJul 10Thunderstorm50%0.01″82°71°-1°
- SaturdayJul 11Drizzle21%0.01″81°68°-1°
AQI 22 (Good), driven by Ozone. Ozone at AQI 38 now. With UV 5.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 18 around 1 PM.
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 38 now. With UV 5.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 38
- UV peak
- 5.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 6.5 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:14 PM
- Moonset
- 11:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Hudson at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61748
16-Day Forecast — Hudson
- Sun83°69°17%
- Mon82°66°5%
- Tue81°62°1%
- Wed81°65°3%
- Thu83°66°50%
- Fri82°71°50%
- Sat81°68°21%
- Sun84°68°13%
- Mon87°69°5%
- Tue88°76°5%
- Wed76°60°5%
- Thu76°54°32%
- Fri80°60°23%
- Sat84°66°45%
- Sun84°70°42%
- Mon88°71°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Hudson
SPC includes Hudson in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Hudson
- 61748