Sussex, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sussex weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle30%0.01″80°66°—
- SundayJul 5Overcast11%—80°62°0°
- MondayJul 6Overcast——77°59°-3°
- TuesdayJul 7Overcast——78°56°+1°
- WednesdayJul 8Light Showers31%—80°59°+2°
- ThursdayJul 9Showers50%0.07″69°62°-11°
- FridayJul 10Partly Cloudy31%—78°58°+9°
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 36 now. With UV 5.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36 now. With UV 5.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 around 1 PM.
- Present
- AQI 36
- UV peak
- 5.9 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 5.7 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- 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
- 10:52 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sussex at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53089
16-Day Forecast — Sussex
- Sat80°66°30%
- Sun80°62°11%
- Mon77°59°0%
- Tue78°56°2%
- Wed80°59°31%
- Thu69°62°50%
- Fri78°58°31%
- Sat80°61°7%
- Sun66°58°11%
- Mon74°55°9%
- Tue75°59°7%
- Wed79°62°23%
- Thu82°66°14%
- Fri83°67°14%
- Sat83°66°23%
- Sun84°66°29%
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 — Sussex
SPC includes Sussex 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 Sussex
- 53089