Brown Deer, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brown Deer weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle33%0.04″79°65°—
- SundayJul 5Overcast——76°65°-3°
- MondayJul 6Overcast——77°60°+1°
- TuesdayJul 7Overcast——84°58°+7°
- WednesdayJul 8Heavy Showers32%0.45″82°64°-2°
- ThursdayJul 9Light Showers46%—74°64°-8°
- FridayJul 10Overcast33%—77°61°+3°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 16.4 µg/m³, PM10 to 17.3 µg/m³.
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 49. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
- Present
- AQI 49
- UV peak
- 3.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 12
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 16.4 µg/m³, PM10 to 17.3 µg/m³.
- PM2.5/PM10
- 0.95
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:51 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Brown Deer at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Brown Deer
- Sat79°66°33%
- Sun76°65°8%
- Mon77°60°2%
- Tue84°58°1%
- Wed82°64°32%
- Thu74°64°46%
- Fri77°61°33%
- Sat76°59°7%
- Sun78°56°10%
- Mon73°54°9%
- Tue81°57°7%
- Wed80°65°30%
- Thu84°64°26%
- Fri81°68°17%
- Sat78°63°30%
- Sun74°56°26%
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 — Brown Deer
SPC includes Brown Deer 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 Brown Deer
- 53209
- 53223