Plymouth, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Plymouth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast13%—80°66°—
- SundayJul 5Overcast——81°61°+1°
- MondayJul 6Mostly Clear——76°58°-5°
- TuesdayJul 7Overcast——80°57°+4°
- WednesdayJul 8Heavy Showers39%0.93″80°61°0°
- ThursdayJul 9Heavy Showers51%1.4″70°59°-10°
- FridayJul 10Overcast21%—77°58°+7°
AQI 31 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.8 µg/m³, PM10 at 7.8 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 32. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 5.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 6.8 µg/m³, PM10 at 7.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- 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
- 10:52 PM
- Moonset
- 9:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Plymouth at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 53073
16-Day Forecast — Plymouth
- Sat78°67°13%
- Sun81°61°9%
- Mon76°58°0%
- Tue80°57°4%
- Wed80°61°39%
- Thu70°59°51%
- Fri77°58°21%
- Sat81°62°8%
- Sun65°57°11%
- Mon74°56°10%
- Tue75°59°9%
- Wed80°61°19%
- Thu83°66°11%
- Fri85°67°16%
- Sat79°65°20%
- Sun85°66°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 — Plymouth
SPC includes Plymouth 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 Plymouth
- 53073