Bloomington, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bloomington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle32%0.02″82°68°—
- SundayJul 5Foggy30%—82°67°0°
- MondayJul 6Clear——80°63°-2°
- TuesdayJul 7Overcast——82°62°+2°
- WednesdayJul 8Thunderstorm38%0.63″81°63°-1°
- ThursdayJul 9Showers44%—75°67°-6°
- FridayJul 10Overcast13%—78°60°+3°
AQI 31 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 10.4 µg/m³, PM10 at 14.3 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 32. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 4.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 10.4 µg/m³, PM10 at 14.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.73
- 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
- 11:02 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bloomington at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53804
16-Day Forecast — Bloomington
- Sat82°68°32%
- Sun82°67°30%
- Mon80°63°2%
- Tue82°62°3%
- Wed81°63°38%
- Thu75°67°44%
- Fri78°60°13%
- Sat83°63°10%
- Sun69°58°11%
- Mon75°53°10%
- Tue78°60°9%
- Wed79°62°19%
- Thu79°66°16%
- Fri82°66°26%
- Sat86°69°32%
- Sun84°70°35%
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 — Bloomington
SPC includes Bloomington in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Bloomington
- 53804