Kenosha, Wisconsin Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Kenosha weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Foggy——76°46°—
- ThursdayJun 4Overcast——86°56°+10°
- FridayJun 5Heavy Drizzle66%0.11″76°67°-10°
- SaturdayJun 6Showers55%0.01″79°59°+3°
- SundayJun 7Foggy——73°56°-6°
- MondayJun 8Light Drizzle10%—77°59°+4°
- TuesdayJun 9Light Drizzle17%0.01″75°67°-2°
Ozone at AQI 73 — peak already passed at 1 PM under partly cloudy skies. AQI up 5 over the last 6 hours (gradual rise). 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 73 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 73
- UV peak
- 5.4 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 73
PM × Wind × Precip
PM2.5 at 9.1 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:53 AM
- Moonset
- 12:40 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Kenosha at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 — Kenosha
SPC has placed Kenosha in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal 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.
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
Kenosha's warmest month is July (~73°F mean) and its coldest is January (~22°F). Rainfall peaks in May (4.4 inches) and bottoms out in February (1.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 22° | 2.1″ | 6 |
| February | 26° | 1.9″ | 4 |
| March | 36° | 2.6″ | 5 |
| April | 47° | 4.1″ | 7 |
| May | 58° | 4.4″ | 7 |
| June | 68° | 4.2″ | 6 |
| July | 73° | 3.9″ | 6 |
| August | 71° | 3.3″ | 6 |
| September | 64° | 3.4″ | 5 |
| October | 52° | 3.0″ | 5 |
| November | 39° | 2.5″ | 6 |
| December | 28° | 2.3″ | 4 |
Regional context
Kenosha sits within a warm-summer humid continental climate region, a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions with other nearby cities.
Similar climates: Milwaukee, WI, Madison, WI, Appleton, WI, Green Bay, WI, Racine, WI.
Naturalist notes
In late May, common milkweed stems reach about knee height in unmowed lots, and monarch butterflies return to lay eggs on the undersides of young leaves.
Clear evenings in early June give the first good look at the Summer Triangle rising in the east — Vega appears highest and brightest, with Deneb and Altair trailing below it.
Frequently asked
- When does it freeze in Kenosha?
- Kenosha's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Kenosha?
- May is the wettest month with about 4.4 inches of rain on average; the city receives roughly 38 inches annually.
- What is the warmest month in Kenosha?
- July is typically warmest, averaging about 73°F.
- What is the coldest month in Kenosha?
- January is typically coldest, averaging about 22°F.
- When can I start a vegetable garden in Kenosha?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Kenosha get?
- Kenosha averages about 67 rainy days per year.
- What hardiness zone is Kenosha?
- Kenosha's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Kenosha, Wisconsin falls within a warm-summer humid continental climate zone. January means sit near 22°F while July averages 73°F — a 51°F seasonal swing.
Across the year, Kenosha receives about 38 inches of precipitation spread over roughly 67 rainy days.
Latitude (42.6°N), nearby large water bodies, and elevation set the rhythm of the year. They influence what grows here, when frost is likely, and the shape of daily weather.