Platteville, Wisconsin Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Platteville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——83°66°—
- MondayJul 6Partly Cloudy——85°63°+2°
- TuesdayJul 7Overcast——81°62°-4°
- WednesdayJul 8Light Drizzle46%—81°66°0°
- ThursdayJul 9Thunderstorm56%—78°68°-3°
- FridayJul 10Light Drizzle29%—77°61°-1°
- SaturdayJul 11Overcast11%—77°62°0°
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 38 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 38 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 38
- UV peak
- 5.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 4.6 µg/m³, PM10 at 4.9 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
- 11:22 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Platteville at a glance
- Today vs. normal: 14°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: 53818
16-Day Forecast — Platteville
- Sun83°66°6%
- Mon85°63°1%
- Tue81°62°1%
- Wed81°66°46%
- Thu78°68°56%
- Fri77°61°29%
- Sat77°62°11%
- Sun83°65°8%
- Mon75°59°4%
- Tue74°55°7%
- Wed77°59°13%
- Thu78°61°19%
- Fri82°63°27%
- Sat84°67°20%
- Sun87°69°16%
- Mon87°70°23%
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.
SPC Convective Outlook
Storm Prediction Center — Platteville
SPC includes Platteville 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 Platteville
- 53818