Mequon, Wisconsin Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Mequon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast10%—75°65°—
- MondayJul 6Overcast——78°62°+3°
- TuesdayJul 7Overcast——84°60°+6°
- WednesdayJul 8Overcast37%—86°67°+2°
- ThursdayJul 9Thunderstorm50%—76°64°-10°
- FridayJul 10Overcast23%—78°63°+2°
- SaturdayJul 11Overcast14%—79°64°+1°
AQI 35 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.9 µg/m³, PM10 at 9.5 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 45 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 5.5 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 8.9 µg/m³, PM10 at 9.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:12 PM
- Moonset
- 11:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mequon at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 53092, 53097
16-Day Forecast — Mequon
- Sun75°65°10%
- Mon78°62°1%
- Tue84°60°0%
- Wed86°67°37%
- Thu76°64°50%
- Fri78°63°23%
- Sat79°64°14%
- Sun87°64°14%
- Mon77°62°12%
- Tue78°59°9%
- Wed83°59°16%
- Thu85°63°21%
- Fri87°66°26%
- Sat85°69°29%
- Sun89°68°16%
- Mon86°68°26%
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.
ZIP codes in Mequon
- 53097
- 53092