Campbell's Island, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Campbell's Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast10%—87°69°—
- MondayJul 6Mostly Clear——87°66°0°
- TuesdayJul 7Partly Cloudy——82°62°-5°
- WednesdayJul 8Overcast——84°67°+2°
- ThursdayJul 9Overcast44%—81°71°-3°
- FridayJul 10Light Showers39%—79°68°-2°
- SaturdayJul 11Drizzle21%—77°67°-2°
AQI 30 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 44 now. With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 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 44 now. With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
- Present
- AQI 44
- UV peak
- 6.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 7.3 µg/m³, PM10 at 7.9 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
- 11:21 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Campbell's Island at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Campbell's Island
- Sun87°69°10%
- Mon87°66°2%
- Tue82°62°1%
- Wed84°67°8%
- Thu81°71°44%
- Fri79°68°39%
- Sat77°67°21%
- Sun84°67°8%
- Mon77°62°5%
- Tue75°56°5%
- Wed78°63°11%
- Thu79°62°21%
- Fri82°65°24%
- Sat85°68°30%
- Sun88°69°18%
- Mon88°72°29%
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 — Campbell's Island
SPC includes Campbell's Island 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.
Microseason · July 1–5
Cicadas claim the afternoon
Millions of periodical and annual cicadas emerge, their droning chorus filling the summer heat; the soundtrack of midsummer settles over prairie and wetland.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Campbell's Island's warmest month is July (~76°F mean) and its coldest is January (~23°F). Rainfall peaks in June (5.0 inches) and bottoms out in January (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 1.7″ | 5 |
| February | 28° | 1.8″ | 5 |
| March | 40° | 2.6″ | 6 |
| April | 51° | 3.8″ | 7 |
| May | 63° | 4.7″ | 8 |
| June | 72° | 5.0″ | 8 |
| July | 76° | 4.2″ | 6 |
| August | 73° | 4.0″ | 6 |
| September | 66° | 3.3″ | 5 |
| October | 54° | 2.8″ | 5 |
| November | 40° | 2.3″ | 5 |
| December | 29° | 2.0″ | 5 |
Frequently asked
- When does it freeze in Campbell's Island?
- Frost typically leaves Campbell's Island by mid-April and returns to Campbell's Island near mid-November.
- What is the rainy season in Campbell's Island?
- June is the wettest month in Campbell's Island, about 5.0 inches on average; the year totals roughly 38 inches.
- What is the warmest month in Campbell's Island?
- The warmest stretch in Campbell's Island comes in July, around 76°F on average.
- What is the coldest month in Campbell's Island?
- On average January is the chilliest month in Campbell's Island, about 23°F.
- When can I start a vegetable garden in Campbell's Island?
- Time tomatoes in Campbell's Island for two weeks after mid-April; peas and greens start at Campbell's Island's frost line.
- How many rainy days does Campbell's Island get?
- Expect roughly 69 wet days a year in Campbell's Island.
- What hardiness zone is Campbell's Island?
- Campbell's Island sits in the USDA zone set by January lows near 23°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Campbell's Island?
- Campbell's Island's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Campbell's Island?
- See this week's day-by-day rain chances for Campbell's Island in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Campbell's Island?
- Current conditions for Campbell's Island and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Campbell's Island forecast updated?
- The Campbell's Island forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Campbell's Island?
- Today's sunrise and sunset times for Campbell's Island are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Campbell's Island?
- The next few days in Campbell's Island's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Campbell's Island, Illinois occupies a warm-summer humid continental zone, with January means near 23°F and July around 76°F — a 53°F swing.
Across the year, Campbell's Island collects about 38 inches of precipitation over roughly 69 days with measurable rain or snow.
Latitude 41.5°N gives Campbell's Island its 53°F swing, and with it the rhythm of Campbell's Island's growing season.
ZIP codes in Campbell's Island
- 61244