Saline, Michigan Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Saline weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——85°52°—
- FridayJun 5Light Drizzle64%0.02″86°60°+1°
- SaturdayJun 6Light Showers64%—78°65°-8°
- SundayJun 7Light Drizzle——81°61°+3°
- MondayJun 8Overcast——77°57°-4°
- TuesdayJun 9Light Drizzle23%—82°60°+5°
- WednesdayJun 10Light Drizzle28%—77°65°-5°
AQI 22 (Good), driven by Ozone. AQI down 19 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
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
- 4:11 AM
- Moonset
- 1:28 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Saline at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: April 29 (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 — Saline
SPC has placed Saline in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal 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
Saline's warmest month is July (~72°F mean) and its coldest is January (~24°F). Rainfall peaks in June (4.3 inches) and bottoms out in February (2.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 2.8″ | 8 |
| February | 26° | 2.4″ | 6 |
| March | 35° | 2.8″ | 6 |
| April | 46° | 3.3″ | 7 |
| May | 58° | 3.8″ | 8 |
| June | 68° | 4.3″ | 7 |
| July | 72° | 3.9″ | 7 |
| August | 70° | 3.3″ | 6 |
| September | 62° | 3.0″ | 6 |
| October | 51° | 2.9″ | 7 |
| November | 39° | 2.7″ | 7 |
| December | 29° | 2.6″ | 7 |
Regional context
Saline 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 Saline?
- Saline's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Saline?
- June is the wettest month with about 4.3 inches of rain on average; the city receives roughly 38 inches annually.
- What is the warmest month in Saline?
- July is typically warmest, averaging about 72°F.
- What is the coldest month in Saline?
- January is typically coldest, averaging about 24°F.
- When can I start a vegetable garden in Saline?
- 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 Saline get?
- Saline averages about 82 rainy days per year.
- What hardiness zone is Saline?
- Saline'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
Saline, Michigan sits in a warm-summer humid continental climate zone. January means hover near 24°F while July averages 72°F — a 48°F seasonal swing.
Across the year, Saline receives about 38 inches of precipitation spread over roughly 82 rainy days.
The rhythm of the year is set by latitude (42.2°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.