Port Washington, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Port Washington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast27%—79°67°—
- SundayJul 5Overcast——77°62°-2°
- MondayJul 6Overcast——74°60°-3°
- TuesdayJul 7Overcast——79°58°+5°
- WednesdayJul 8Heavy Showers36%0.50″82°64°+3°
- ThursdayJul 9Showers49%—72°63°-10°
- FridayJul 10Overcast29%—74°61°+2°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.1 µg/m³, PM10 at 17.1 µg/m³ — typical background levels with no transport signature.
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 44. Overcast through the UV peak window (cloud cover ~61%) — afternoon ozone should stay flat.
- Present
- AQI 44
- UV peak
- 4.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 16.1 µg/m³, PM10 at 17.1 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
- 10:51 PM
- Moonset
- 9:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Port Washington at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53074
16-Day Forecast — Port Washington
- Sat79°67°27%
- Sun77°62°6%
- Mon74°60°0%
- Tue79°58°1%
- Wed82°64°36%
- Thu72°63°49%
- Fri74°61°29%
- Sat74°58°8%
- Sun78°56°12%
- Mon72°52°12%
- Tue81°57°9%
- Wed80°65°19%
- Thu83°63°11%
- Fri81°64°16%
- Sat77°63°20%
- Sun72°54°19%
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 — Port Washington
SPC includes Port Washington 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 Port Washington
- 53074
- 53024