Manitowoc, Wisconsin Weather
Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →
Manitowoc weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast——75°63°—
- MondayAug 3Clear——76°59°+1°
- TuesdayAug 4Overcast24%—80°60°+4°
- WednesdayAug 5Heavy Showers53%1.4″71°65°-9°
- ThursdayAug 6Heavy Showers26%1.4″75°64°+4°
- FridayAug 7Overcast——81°64°+6°
- SaturdayAug 8Light Showers24%—80°66°-1°
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.3 µg/m³, PM10 at 12.5 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
PM × Wind × Precip
PM2.5 at 12.3 µg/m³, PM10 at 12.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 9:35 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Night falls a minute earlier
Manitowoc at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 11 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP code: 54220
16-Day Forecast — Manitowoc
- Sun75°63°4%
- Mon76°59°1%
- Tue80°60°24%
- Wed71°65°53%
- Thu75°64°26%
- Fri81°64°5%
- Sat80°66°24%
- Sun86°69°26%
- Mon72°62°23%
- Tue71°64°27%
- Wed73°65°27%
- Thu77°68°28%
- Fri86°69°23%
- Sat78°64°16%
- Sun73°62°20%
- Mon74°66°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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 — Manitowoc
SPC includes Manitowoc in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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.
Sun & seasons in Manitowoc
Manitowoc sits in Manitowoc County, where the year’s longest day runs 15h 30m of daylight and its shortest just 8h 52m — a swing of +6h 38m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Milwaukee, the state’s largest city, lies about 73 miles to the SSW. The nearest town Manitowoc tracks is Green Bay, roughly 33 miles to the NNW.
Air quality in Manitowoc’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 36). See the full air-quality history for Manitowoc.
ZIP codes in Manitowoc
- 54220