Center Line, Michigan Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Center Line weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——87°55°—
- FridayJun 5Drizzle28%0.04″86°62°-1°
- SaturdayJun 6Rain62%0.26″81°67°-5°
- SundayJun 7Overcast——79°62°-2°
- MondayJun 8Overcast——77°61°-2°
- TuesdayJun 9Overcast20%—85°66°+8°
- WednesdayJun 10Drizzle23%—78°70°-7°
Ozone at AQI 128 — peak already passed at 1 PM under clear skies. AQI up 17 in the last 6 hours — air quality is degrading. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 128 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 128
- UV peak
- 4.8 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 128
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:09 AM
- Moonset
- 1:24 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Center Line at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 1 (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 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 — Center Line
SPC has placed Center Line in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- 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
Center Line's warmest month is July (~74°F mean) and its coldest is January (~26°F). Rainfall peaks in May (3.7 inches) and bottoms out in February (2.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 2.1″ | 7 |
| February | 28° | 2.1″ | 7 |
| March | 37° | 2.5″ | 8 |
| April | 48° | 3.2″ | 11 |
| May | 59° | 3.7″ | 12 |
| June | 69° | 3.7″ | 12 |
| July | 74° | 3.4″ | 11 |
| August | 72° | 3.5″ | 12 |
| September | 65° | 3.0″ | 10 |
| October | 53° | 2.8″ | 9 |
| November | 41° | 2.6″ | 9 |
| December | 31° | 2.4″ | 8 |
Regional context
Center Line sits within a warm-summer humid continental climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Detroit, MI, Grand Rapids, MI, Lansing, MI, Ann Arbor, MI, Flint, MI.
Frequently asked
- When does it freeze in Center Line?
- Center Line's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Center Line?
- May is the wettest month with about 3.7 inches of rain on average; the city receives roughly 35 inches annually.
- What is the warmest month in Center Line?
- July is typically warmest, averaging about 74°F.
- What is the coldest month in Center Line?
- January is typically coldest, averaging about 26°F.
- When can I start a vegetable garden in Center Line?
- 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 Center Line get?
- Center Line averages about 116 rainy days per year.
- What hardiness zone is Center Line?
- Center Line'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
Center Line, Michigan sits in a warm-summer humid continental climate zone. January means hover near 26°F while July averages 74°F — a 48°F seasonal swing.
Across the year, Center Line receives about 35 inches of precipitation spread over roughly 116 rainy days.
The rhythm of the year is set by latitude (42.5°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.