Allouez, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Allouez weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—80°67°—
- SundayJul 5Overcast——77°59°-3°
- MondayJul 6Clear——77°58°0°
- TuesdayJul 7Overcast——79°55°+2°
- WednesdayJul 8Showers43%0.59″81°63°+2°
- ThursdayJul 9Drizzle43%0.02″73°60°-8°
- FridayJul 10Overcast21%—77°57°+4°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.81 fine-to-coarse ratio and 5 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
PM × Wind × Precip
PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.81 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 10:53 PM
- Moonset
- 9:52 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Allouez at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Allouez
- Sat80°67°20%
- Sun77°59°7%
- Mon77°58°1%
- Tue79°55°7%
- Wed81°63°43%
- Thu73°60°43%
- Fri77°57°21%
- Sat81°61°15%
- Sun67°57°15%
- Mon75°56°12%
- Tue77°60°14%
- Wed79°61°29%
- Thu81°69°35%
- Fri84°67°29%
- Sat81°66°23%
- Sun86°66°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 — Allouez
SPC includes Allouez 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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 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
The year in Allouez tops out in July (~73°F) and dips lowest in January (~18°F), with June wettest at 3.9 inches and February driest at 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
Allouez swings from 18°F in January to 73°F in July (56°F) per NOAA NCEI 1991-2020 normals; precipitation in Allouez runs about 31.9 inches on roughly 183 measurable days.
Allouez's rain peaks in summer: June brings 3.9 inches over 16.5 thunderstorm-fed days, while February sees just 1.5 inches across 13.3 days under cooler, drier air. That puts Allouez in a summer-convective cohort with places like Ashwaubenon, WI, Green Bay, WI and Bellevue, WI.
Once Allouez passes late-May, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Tomatoes and peppers do best set out two weeks later in Allouez, once nights clear the mid-40s°F. The season ends by early-October in Allouez, once hard frosts set back in. A creek-bottom lot in Allouez can lag Allouez's last frost 7-10 days behind a south slope.
Similar climates: Ashwaubenon, WI, Green Bay, WI, Bellevue, WI, De Pere, WI, Hobart, WI.
Frequently asked
- When does it freeze in Allouez?
- Allouez's last spring frost lands near mid-May, and in Allouez the first fall frost follows around mid-October.
- What is the rainy season in Allouez?
- June is the wettest month in Allouez, about 3.9 inches on average; the year totals roughly 32 inches.
- What is the warmest month in Allouez?
- July is Allouez's warmest month, averaging about 73°F.
- What is the coldest month in Allouez?
- Allouez bottoms out in January, with a mean near 18°F.
- When can I start a vegetable garden in Allouez?
- Frost-hardy sowings begin at mid-May in Allouez; warm-season starts follow two weeks on.
- How many rainy days does Allouez get?
- Allouez averages about 183 days with measurable rain or snow each year.
- What hardiness zone is Allouez?
- Allouez's USDA zone comes from its January mean (18°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Allouez?
- Allouez'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 Allouez?
- See this week's day-by-day rain chances for Allouez in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Allouez?
- Current conditions for Allouez and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Allouez forecast updated?
- The Allouez forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Allouez?
- Today's sunrise and sunset times for Allouez are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Allouez?
- The next few days in Allouez's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Allouez, Wisconsin occupies a warm-summer humid continental zone, with January means near 18°F and July around 73°F — a 55°F swing.
Rain and snow bring Allouez roughly 32 inches a year across approximately 183 measurable-precipitation days.
The 55°F gap between Allouez's summer and winter, at 44.5°N, shapes Allouez's frost calendar.
ZIP codes in Allouez
- 54307
- 54301
- 54324