Kenosha, Wisconsin Weather
Day 93 of summer. Read today’s microseason across nine climate regions →
Kenosha weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:24 AM CDT · Open-Meteo
- TodaySep 21Overcast——63°56°—
- TuesdaySep 22Overcast—0.02″60°54°-3°
- WednesdaySep 23Overcast——66°56°+6°
- ThursdaySep 24Overcast——65°59°-1°
- FridaySep 25Light Drizzle——61°58°-4°
- SaturdaySep 26Drizzle—0.22″60°54°-1°
- SundaySep 27Light Rain13%0.34″68°55°+8°
Air quality now AQI 30 · Good
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.9 µg/m³, PM10 at 6.0 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 during the projected peak around 6 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 5.9 µg/m³, PM10 at 6.0 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:32 PM
- Moonset
- 1:03 AM
- In sign
- ♑︎ Capricorn
Kenosha at a glance
- Today vs. normal: Today averages 60°F (high 63°F, low 56°F), 4°F below the 64°F normal for Sep 21
- Last frost: April 28 (1991–2020 median, NOAA station 5 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Kenosha
- Mon63°56°7%
- Tue60°54°9%
- Wed66°56°3%
- Thu65°59°1%
- Fri61°58°1%
- Sat60°54°5%
- Sun68°55°13%
- Mon72°58°11%
- Tue70°58°22%
- Wed71°51°26%
- Thu64°53°12%
- Fri58°53°17%
- Sat72°58°23%
- Sun59°48°19%
- Mon54°40°16%
- Tue56°38°19%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Kenosha
Interactive wind and temperature map centered on Kenosha — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 19) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Kenosha
Kenosha sits in Kenosha County, where the year’s longest day runs 15h 19m of daylight and its shortest just 9h 3m — a swing of +6h 16m 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 33 miles to the N. The nearest town Kenosha tracks is Racine, roughly 10 miles to the NNE.
Air quality in Kenosha
Air quality in Kenosha’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 41). See the full air-quality history for Kenosha.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Kenosha peaks at about 75°F in July and bottoms near 22°F in January; May brings the heaviest rain (3.7 inches) and January the least (1.8 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 22° | 1.8″ |
| February | 24° | 1.9″ |
| March | 35° | 2.7″ |
| April | 47° | 3.4″ |
| May | 57° | 3.7″ |
| June | 68° | 3.4″ |
| July | 75° | 2.5″ |
| August | 74° | 2.8″ |
| September | 67° | 3.1″ |
| October | 54° | 2.9″ |
| November | 39° | 3.2″ |
| December | 26° | 2.3″ |
Regional context
Similar climates Somers, WI, Pleasant Prairie, WI, Bristol, WI
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Kenosha sees 22°F Januarys and 75°F Julys, a 53°F range, plus around 33.6 inches of precipitation.
No season owns Kenosha's rain: May reaches 3.7 inches and January keeps 1.8 inches, an even spread through Kenosha's year. It is a balanced pattern Kenosha shares with places like Somers, WI, Pleasant Prairie, WI and Bristol, WI.
The cool-season window in Kenosha starts at April 28, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Kenosha wait about two weeks past Kenosha's last frost, once the soil warms. Around October 19, freezing nights resume in Kenosha and tender crops must come in. In about half of years, Kenosha's last freeze comes after April 28.
Similar climates: Somers, WI, Pleasant Prairie, WI, Bristol, WI, Elmwood Park, WI, Sturtevant, WI.
Frequently asked
- When does it freeze in Kenosha?
- In Kenosha, expect the last spring frost near April 28; Kenosha's first autumn frost comes around October 19.
- What is the rainy season in Kenosha?
- Kenosha sees its heaviest rain in May (around 3.7 inches), part of roughly 34 inches a year.
- What is the warmest month in Kenosha?
- Kenosha peaks in July, when the mean runs near 75°F.
- What is the coldest month in Kenosha?
- January is Kenosha's coldest month, averaging about 22°F.
- When can I start a vegetable garden in Kenosha?
- Around April 28, start frost-hardy crops in Kenosha; tomatoes and basil belong a fortnight later.
- What hardiness zone is Kenosha?
- Since January in Kenosha averages 22°F, Kenosha's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Kenosha?
- Kenosha'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 Kenosha?
- See this week's day-by-day rain chances for Kenosha in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Kenosha?
- Current conditions for Kenosha and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Kenosha forecast updated?
- The Kenosha forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Kenosha?
- Today's sunrise and sunset times for Kenosha 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 Kenosha?
- The next few days in Kenosha's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Kenosha sits at 42.6°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Kenosha
- 53140
- 53141
- 53142
- 53143
- 53144