Plainfield, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Plainfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain16%0.07″80°65°—
- SundayJul 5Overcast14%—79°62°-1°
- MondayJul 6Partly Cloudy——77°59°-2°
- TuesdayJul 7Overcast——81°59°+4°
- WednesdayJul 8Thunderstorm52%0.08″78°65°-3°
- ThursdayJul 9Drizzle53%0.02″75°61°-3°
- FridayJul 10Overcast15%—78°58°+3°
AQI 33 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 6.2 µg/m³, PM10 at 7.1 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 31 now. With UV 4.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 31
- UV peak
- 4.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 6.2 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- 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
- 10:58 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Plainfield at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54966
16-Day Forecast — Plainfield
- Sat80°65°16%
- Sun79°62°14%
- Mon77°59°1%
- Tue81°59°3%
- Wed78°65°52%
- Thu75°61°53%
- Fri78°58°15%
- Sat81°62°10%
- Sun72°57°10%
- Mon77°53°10%
- Tue77°59°7%
- Wed79°60°20%
- Thu77°68°10%
- Fri83°67°14%
- Sat85°68°23%
- Sun84°70°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 — Plainfield
SPC includes Plainfield 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 Plainfield
- 54966