Waupun, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Waupun weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast10%—80°66°—
- SundayJul 5Overcast——81°64°+1°
- MondayJul 6Clear——76°58°-5°
- TuesdayJul 7Overcast——80°57°+4°
- WednesdayJul 8Thunderstorm43%0.01″79°65°-1°
- ThursdayJul 9Showers47%—73°63°-6°
- FridayJul 10Light Drizzle19%—77°58°+4°
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 41 now. With UV 4.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 17 around 1 PM.
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 41 now. With UV 4.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 17 around 1 PM.
- Present
- AQI 41
- UV peak
- 4.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 5.5 µg/m³, PM10 at 6.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.82
- 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
- 10:55 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Waupun at a glance
- Today vs. normal: 12°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: 53963
16-Day Forecast — Waupun
- Sat80°66°10%
- Sun81°64°5%
- Mon76°58°1%
- Tue80°57°3%
- Wed79°65°43%
- Thu73°63°47%
- Fri77°58°19%
- Sat74°58°8%
- Sun76°54°11%
- Mon73°53°9%
- Tue79°57°8%
- Wed78°63°29%
- Thu81°62°32%
- Fri80°64°23%
- Sat71°59°26%
- Sun74°53°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 — Waupun
SPC includes Waupun 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 Waupun
- 53963