Ashwaubenon, Wisconsin Weather
Honeysuckle sweetens the night. Day 89 of spring. Read this microseason across nine climate regions →
Ashwaubenon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Thunderstorm73%0.24″71°57°—
- WednesdayJun 17Heavy Rain57%0.84″65°53°-6°
- ThursdayJun 18Light Rain64%0.10″69°56°+4°
- FridayJun 19Overcast10%—66°46°-3°
- SaturdayJun 20Light Drizzle13%—70°51°+4°
- SundayJun 21Partly Cloudy18%—65°50°-5°
- MondayJun 22Overcast13%—71°44°+6°
AQI 40 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 1.2 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:16 AM
- Moonset
- 10:01 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Ashwaubenon at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
Right now in the garden
Peak growing season
As of June 16, 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 — Ashwaubenon
SPC has placed Ashwaubenon in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.
Microseason · June 16–20
Honeysuckle sweetens the night
Japanese honeysuckle perfumes parks after dark.
Day 167 of 365 · Wedge 34 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July is Ashwaubenon's warmest stretch (~73°F) and January its coldest (~18°F); precipitation crests in June at 3.9 inches and ebbs in February to 1.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 18° | 1.5″ | 16 |
| February | 20° | 1.5″ | 13 |
| March | 30° | 2.2″ | 15 |
| April | 45° | 2.9″ | 17 |
| May | 55° | 3.4″ | 18 |
| June | 67° | 3.9″ | 17 |
| July | 73° | 3.0″ | 14 |
| August | 72° | 3.0″ | 15 |
| September | 64° | 3.6″ | 15 |
| October | 52° | 2.5″ | 13 |
| November | 35° | 2.7″ | 14 |
| December | 22° | 1.7″ | 15 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Ashwaubenon's January averages 18°F and July 73°F — 56°F apart — while precipitation totals roughly 31.9 inches over some 183 days.
Summer convection drives Ashwaubenon's precipitation: June logs 3.9 inches on 16.5 rainy days, against February's 1.5 inches on 13.3 — warm-season storms carry Ashwaubenon's moisture. It is a warm-season-wet pattern Ashwaubenon shares with places like Allouez, WI, De Pere, WI and Hobart, WI.
Ashwaubenon's growing window opens around late-May, once Ashwaubenon's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Warm-soil crops in Ashwaubenon wait about two weeks past Ashwaubenon's last frost, once the soil warms. Around early-October, freezing nights resume in Ashwaubenon and tender crops must come in. Within Ashwaubenon, cold-air pooling chills low spots by 5-10°F, shifting Ashwaubenon's local frost dates.
Similar climates: Allouez, WI, De Pere, WI, Hobart, WI, Green Bay, WI, Howard, WI.
Frequently asked
- When does it freeze in Ashwaubenon?
- Ashwaubenon's last spring frost lands near mid-May, and in Ashwaubenon the first fall frost follows around mid-October.
- What is the rainy season in Ashwaubenon?
- June is the wettest month in Ashwaubenon, about 3.9 inches on average; the year totals roughly 32 inches.
- What is the warmest month in Ashwaubenon?
- On average July tops the year in Ashwaubenon at about 73°F.
- What is the coldest month in Ashwaubenon?
- The coldest stretch in Ashwaubenon falls in January, around 18°F on average.
- When can I start a vegetable garden in Ashwaubenon?
- Around mid-May, start frost-hardy crops in Ashwaubenon; tomatoes and basil belong a fortnight later.
- How many rainy days does Ashwaubenon get?
- Ashwaubenon records around 183 days of measurable precipitation annually.
- What hardiness zone is Ashwaubenon?
- Because Ashwaubenon bottoms near 18°F in January, that winter low sets Ashwaubenon's USDA zone — verify by ZIP.
- What is the 10-day forecast for Ashwaubenon?
- Ashwaubenon's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Ashwaubenon?
- See this week's day-by-day rain chances for Ashwaubenon in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Ashwaubenon?
- Current conditions for Ashwaubenon and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Ashwaubenon forecast updated?
- The Ashwaubenon forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Ashwaubenon?
- Day length in Ashwaubenon peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
- How accurate is the weather forecast for Ashwaubenon?
- The next few days in Ashwaubenon's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Ashwaubenon, Wisconsin swings from 18°F in the heart of winter to 73°F at midsummer — a 55°F arc.
In a typical year Ashwaubenon records about 32 inches of precipitation on around 183 days.
Ashwaubenon sits at 44.5°N; that 55°F seasonal swing frames planting windows and frost dates across Ashwaubenon.
ZIP codes in Ashwaubenon
- 54304
- 54115
- 54313