Monroe, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Monroe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle39%0.04″80°67°—
- SundayJul 5Overcast19%—81°65°+1°
- MondayJul 6Light Drizzle——79°60°-2°
- TuesdayJul 7Overcast——80°58°+1°
- WednesdayJul 8Light Drizzle21%—80°60°0°
- ThursdayJul 9Light Showers45%0.45″73°67°-7°
- FridayJul 10Overcast29%—78°58°+5°
AQI 25 (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 5.6 µg/m³, PM10 to 7.5 µg/m³.
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
Ozone × UV × Sky
Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~80%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 5.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.6 µg/m³, PM10 to 7.5 µg/m³.
- PM2.5/PM10
- 0.75
- Wind
- light
- 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
- 10:57 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Monroe at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53566
16-Day Forecast — Monroe
- Sat80°67°39%
- Sun81°65°19%
- Mon79°60°2%
- Tue80°58°1%
- Wed80°60°21%
- Thu73°67°45%
- Fri78°58°29%
- Sat81°61°11%
- Sun68°57°8%
- Mon74°54°8%
- Tue76°58°8%
- Wed77°62°26%
- Thu80°65°16%
- Fri82°67°23%
- Sat85°68°26%
- Sun82°70°39%
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 — Monroe
SPC includes Monroe 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 Monroe
- 53566