Sunnyland, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sunnyland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain80%0.83″82°69°—
- SundayJul 5Overcast16%—79°66°-3°
- MondayJul 6Overcast——81°66°+2°
- TuesdayJul 7Overcast——84°62°+3°
- WednesdayJul 8Overcast——81°62°-3°
- ThursdayJul 9T-storm w/ Hail48%0.14″79°67°-2°
- FridayJul 10Overcast46%—82°64°+3°
AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.5 µg/m³, PM10 at 9.3 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 39. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 2.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 8.5 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 1h 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
- 10:50 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sunnyland at a glance
- Today vs. normal: 11°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 — Sunnyland
- Sat82°70°80%
- Sun79°66°16%
- Mon81°66°2%
- Tue84°62°2%
- Wed81°62°9%
- Thu79°67°48%
- Fri82°64°46%
- Sat82°64°15%
- Sun69°60°8%
- Mon76°56°8%
- Tue78°61°6%
- Wed81°63°29%
- Thu84°66°25%
- Fri83°70°19%
- Sat87°70°24%
- Sun85°71°33%
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 — Sunnyland
SPC has placed Sunnyland 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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 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
In Sunnyland, July runs warmest near 76°F and January coldest around 24°F, while May is the wettest month (4.4 inches) and January the driest (1.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 1.8″ | 14 |
| February | 27° | 1.9″ | 12 |
| March | 38° | 3.0″ | 15 |
| April | 51° | 3.7″ | 17 |
| May | 60° | 4.4″ | 17 |
| June | 70° | 4.1″ | 15 |
| July | 76° | 2.9″ | 15 |
| August | 76° | 3.0″ | 13 |
| September | 68° | 3.0″ | 13 |
| October | 55° | 2.9″ | 12 |
| November | 40° | 3.2″ | 12 |
| December | 28° | 2.3″ | 13 |
Frequently asked
- When does it freeze in Sunnyland?
- Sunnyland's last spring frost lands near mid-April, and in Sunnyland the first fall frost follows around mid-November.
- What is the rainy season in Sunnyland?
- Rainfall in Sunnyland peaks in May near 4.4 inches, out of about 36 inches annually.
- What is the warmest month in Sunnyland?
- Sunnyland peaks in July, when the mean runs near 76°F.
- What is the coldest month in Sunnyland?
- January is Sunnyland's coldest month, averaging about 24°F.
- When can I start a vegetable garden in Sunnyland?
- Around mid-April, start frost-hardy crops in Sunnyland; tomatoes and basil belong a fortnight later.
- How many rainy days does Sunnyland get?
- Sunnyland averages about 170 days with measurable rain or snow each year.
- What hardiness zone is Sunnyland?
- Since January in Sunnyland averages 24°F, Sunnyland's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Sunnyland?
- Sunnyland'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 Sunnyland?
- See this week's day-by-day rain chances for Sunnyland in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Sunnyland?
- Current conditions for Sunnyland and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Sunnyland forecast updated?
- The Sunnyland forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Sunnyland?
- Today's sunrise and sunset times for Sunnyland 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 Sunnyland?
- The next few days in Sunnyland's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Sunnyland, Illinois swings from 24°F in the heart of winter to 76°F at midsummer — a 52°F arc.
Across the year, Sunnyland collects about 36 inches of precipitation over roughly 170 days with measurable rain or snow.
Sunnyland's 52°F range, set by its 41.6°N position, drives frost timing and what thrives in Sunnyland.
ZIP codes in Sunnyland
- 60435