Post Lake, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Post Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast17%—83°62°—
- SundayJul 5Overcast——83°59°0°
- MondayJul 6Clear——84°57°+1°
- TuesdayJul 7Thunderstorm16%—84°62°0°
- WednesdayJul 8Showers62%0.09″69°63°-15°
- ThursdayJul 9Light Drizzle62%0.02″82°60°+13°
- FridayJul 10Drizzle13%0.13″63°54°-19°
AQI 34 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 34 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 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 34 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 around 1 PM.
- Present
- AQI 34
- UV peak
- 7.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 33
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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
- 10:59 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Post Lake at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Post Lake
- Sat83°62°17%
- Sun83°60°4%
- Mon84°57°1%
- Tue84°62°16%
- Wed69°63°62%
- Thu82°60°62%
- Fri63°54°13%
- Sat76°52°14%
- Sun80°52°14%
- Mon79°49°9%
- Tue83°58°9%
- Wed81°63°13%
- Thu79°61°19%
- Fri79°59°23%
- Sat69°51°27%
- Sun81°46°20%
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 — Post Lake
SPC includes Post Lake 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 Post Lake
- 54428