Bay City, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bay City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle19%0.01″85°66°—
- SundayJul 5Heavy Showers23%0.93″81°68°-4°
- MondayJul 6Light Drizzle——82°66°+1°
- TuesdayJul 7Overcast11%—85°66°+3°
- WednesdayJul 8T-storm w/ Hail55%0.04″78°68°-7°
- ThursdayJul 9Overcast55%—78°63°0°
- FridayJul 10Drizzle——82°61°+4°
AQI 31 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 11.8 µg/m³ (AQI 56) with a 0.75 fine-to-coarse ratio and 3 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 5.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 around 1 PM.
- Present
- AQI 43
- UV peak
- 5.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 34
PM × Wind × Precip
PM2.5 at 11.8 µg/m³ (AQI 56) with a 0.75 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- Wind
- calm
- 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
- 11:11 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bay City at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54723
16-Day Forecast — Bay City
- Sat85°66°19%
- Sun81°68°23%
- Mon82°66°3%
- Tue85°66°11%
- Wed78°68°55%
- Thu78°63°55%
- Fri82°61°7%
- Sat78°61°10%
- Sun73°57°15%
- Mon76°53°7%
- Tue79°59°7%
- Wed82°63°18%
- Thu84°60°19%
- Fri87°67°19%
- Sat86°70°23%
- Sun87°71°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 — Bay City
SPC includes Bay City in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Bay City
- 54723