Elroy, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Elroy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy19%—81°64°—
- SundayJul 5Overcast19%—80°66°-1°
- MondayJul 6Clear——79°61°-1°
- TuesdayJul 7Overcast——81°62°+2°
- WednesdayJul 8Thunderstorm50%0.01″79°64°-2°
- ThursdayJul 9Heavy Drizzle52%—76°63°-3°
- FridayJul 10Overcast11%—78°59°+2°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 8.6 µg/m³, PM10 at 10.3 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 37. Overcast through the UV peak window (cloud cover ~64%) — afternoon ozone should stay flat.
- Present
- AQI 37
- UV peak
- 5.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 8.6 µg/m³, PM10 at 10.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- 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
- 11:01 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Elroy at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53929
16-Day Forecast — Elroy
- Sat82°64°19%
- Sun80°66°19%
- Mon79°61°2%
- Tue81°62°3%
- Wed79°64°50%
- Thu76°63°52%
- Fri78°59°11%
- Sat81°63°10%
- Sun70°57°10%
- Mon77°53°7%
- Tue78°59°6%
- Wed80°61°19%
- Thu78°69°19%
- Fri82°67°20%
- Sat85°69°26%
- 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 — Elroy
SPC includes Elroy 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 Elroy
- 53929