Bloomington, Illinois Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Bloomington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Light Drizzle20%0.01″79°66°—
- MondayAug 3Clear——82°62°+3°
- TuesdayAug 4Overcast——81°63°-1°
- WednesdayAug 5Overcast39%—82°62°+1°
- ThursdayAug 6Light Showers50%0.02″79°68°-3°
- FridayAug 7Thunderstorm16%—85°66°+6°
- SaturdayAug 8Light Drizzle16%—88°71°+3°
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.7 µg/m³, PM10 at 7.9 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 during the projected peak around 9 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 7.7 µg/m³, PM10 at 7.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.97
- Wind
- breezy
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 9:40 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Bloomington at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 61701, 61704, 61705
16-Day Forecast — Bloomington
- Sun79°66°20%
- Mon82°62°1%
- Tue81°63°0%
- Wed82°62°39%
- Thu79°68°50%
- Fri85°66°16%
- Sat88°71°16%
- Sun90°71°11%
- Mon90°68°18%
- Tue85°69°21%
- Wed89°71°19%
- Thu84°72°28%
- Fri91°73°29%
- Sat89°69°33%
- Sun82°64°29%
- Mon85°71°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Bloomington
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Bloomington
Bloomington sits in McLean County, where the year’s longest day runs 15h 4m of daylight and its shortest just 9h 17m — a swing of +5h 48m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Chicago, the state’s largest city, lies about 115 miles to the NE. The nearest town Bloomington tracks is Peoria, roughly 39 miles to the WNW.
Air quality in Bloomington’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 44). See the full air-quality history for Bloomington.
ZIP codes in Bloomington
- 61701
- 61705
- 61704
- 61709
- 61710
- 61791