Delavan Lake, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Delavan Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers54%0.08″81°67°—
- SundayJul 5Overcast13%—80°62°-1°
- MondayJul 6Overcast——77°62°-3°
- TuesdayJul 7Overcast——80°56°+3°
- WednesdayJul 8Overcast18%—80°61°0°
- ThursdayJul 9Drizzle50%0.04″76°65°-4°
- FridayJul 10Partly Cloudy34%—77°60°+1°
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 35 now. With UV 3.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 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 35 now. With UV 3.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 35
- UV peak
- 3.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 4.8 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.73
- 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
- 10:53 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Delavan Lake at a glance
- Today vs. normal: 7°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.
16-Day Forecast — Delavan Lake
- Sat81°67°54%
- Sun80°62°13%
- Mon77°62°2%
- Tue80°56°1%
- Wed80°61°18%
- Thu76°65°50%
- Fri77°60°34%
- Sat81°60°9%
- Sun66°56°12%
- Mon72°54°8%
- Tue74°58°7%
- Wed79°62°29%
- Thu82°66°14%
- Fri83°67°26%
- Sat86°69°27%
- Sun84°69°32%
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 — Delavan Lake
SPC includes Delavan Lake 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 Delavan Lake
- 53115