Dellwood, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Dellwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy27%—81°66°—
- SundayJul 5Overcast17%—79°65°-2°
- MondayJul 6Clear——80°60°+1°
- TuesdayJul 7Overcast——83°61°+3°
- WednesdayJul 8Thunderstorm36%0.01″80°65°-3°
- ThursdayJul 9Light Showers44%—77°62°-3°
- FridayJul 10Overcast18%—80°59°+3°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.84 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~75%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 3.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.84 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:00 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Dellwood at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Dellwood
- Sat81°66°27%
- Sun79°65°17%
- Mon80°60°1%
- Tue83°61°4%
- Wed80°65°36%
- Thu77°62°44%
- Fri80°59°18%
- Sat83°64°13%
- Sun72°59°13%
- Mon78°54°14%
- Tue79°59°16%
- Wed80°61°20%
- Thu81°68°13%
- Fri85°67°13%
- Sat87°69°24%
- Sun84°70°27%
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 — Dellwood
SPC includes Dellwood 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 Dellwood
- 53934
- 54613