Racine, Wisconsin Weather
Day 93 of summer. Read today’s microseason across nine climate regions →
Racine weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:25 AM CDT · Open-Meteo
- TodaySep 21Overcast——62°56°—
- TuesdaySep 22Clear——60°53°-2°
- WednesdaySep 23Overcast——66°57°+6°
- ThursdaySep 24Overcast——65°61°-1°
- FridaySep 25Overcast——64°61°-1°
- SaturdaySep 26Drizzle—0.25″62°56°-2°
- SundaySep 27Light Rain12%0.33″65°57°+3°
Air quality now AQI 29 · Good
AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.1 µg/m³, PM10 at 7.2 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 8 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.99
- 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
Racine at a glance
- Today vs. normal: Today averages 59°F (high 62°F, low 56°F), 2°F below the 61°F normal for Sep 21
- Last frost: April 20 (1991–2020 median, NOAA station 4 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Racine
- Mon62°56°4%
- Tue60°53°7%
- Wed66°57°1%
- Thu65°61°1%
- Fri64°61°1%
- Sat62°56°5%
- Sun65°57°12%
- Mon68°60°11%
- Tue70°61°21%
- Wed70°55°25%
- Thu63°54°11%
- Fri59°54°17%
- Sat71°59°23%
- Sun60°52°19%
- Mon54°44°16%
- Tue55°43°19%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Racine
Interactive wind and temperature map centered on Racine — 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 24) 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 Racine
Racine sits in Racine County, where the year’s longest day runs 15h 20m of daylight and its shortest just 9h 2m — a swing of +6h 18m 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 25 miles to the NNW. The nearest town Racine tracks is Kenosha, roughly 10 miles to the SSW.
Air quality in Racine
Air quality in Racine’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 38). See the full air-quality history for Racine.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | radishes |
| May | — | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
The year in Racine tops out in July (~71°F) and dips lowest in January (~22°F), with June wettest at 4.3 inches and February driest at 1.9 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 22° | 2.0″ | 10 |
| February | 25° | 1.9″ | 8 |
| March | 34° | 2.4″ | 10 |
| April | 44° | 3.9″ | 12 |
| May | 54° | 4.3″ | 13 |
| June | 64° | 4.3″ | 11 |
| July | 71° | 3.3″ | 9 |
| August | 70° | 3.8″ | 9 |
| September | 63° | 3.3″ | 9 |
| October | 51° | 3.1″ | 10 |
| November | 39° | 2.5″ | 9 |
| December | 28° | 2.1″ | 10 |
Regional context
Similar climates Elmwood Park, WI, North Bay, WI, Mount Pleasant, WI
Per NOAA NCEI 1991-2020 normals, Racine runs from a 22°F January mean to 71°F in July, a 49°F seasonal spread, with near 37 inches of precipitation across about 120 wet days.
Summer convection drives Racine's precipitation: June logs 4.3 inches on 11.2 rainy days, against February's 1.9 inches on 8.4 — warm-season storms carry Racine's moisture. Racine shares that warm-season-wet pattern with places like Elmwood Park, WI, North Bay, WI and Mount Pleasant, WI.
Racine reaches its last hard frost near April 20; that is the cue for kale, peas, spinach, and parsnips. Tomatoes and peppers do best set out two weeks later in Racine, once nights clear the mid-40s°F. By October 24, frost is back in Racine — protect or harvest anything tender. That date is a median: Racine freezes sooner in half of years.
Similar climates: Elmwood Park, WI, North Bay, WI, Mount Pleasant, WI, Wind Point, WI, Sturtevant, WI.
Frequently asked
- When does it freeze in Racine?
- Frost typically leaves Racine by April 20 and returns to Racine near October 24.
- What is the rainy season in Racine?
- Rainfall in Racine peaks in June near 4.3 inches, out of about 37 inches annually.
- What is the warmest month in Racine?
- July is Racine's warmest month, averaging about 71°F.
- What is the coldest month in Racine?
- Racine bottoms out in January, with a mean near 22°F.
- When can I start a vegetable garden in Racine?
- Time tomatoes in Racine for two weeks after April 20; peas and greens start at Racine's frost line.
- How many rainy days does Racine get?
- Racine records around 120 days of measurable precipitation annually.
- What hardiness zone is Racine?
- Racine's USDA zone comes from its January mean (22°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Racine?
- Racine'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 Racine?
- See this week's day-by-day rain chances for Racine in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Racine?
- Current conditions for Racine and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Racine forecast updated?
- The Racine forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Racine?
- Today's sunrise and sunset times for Racine 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 Racine?
- The next few days in Racine's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Racine sits at 42.7°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Racine
- 53401
- 53402
- 53403
- 53404
- 53405
- 53406
- 53408