Detroit, Michigan Weather
Day 93 of summer. Read today’s microseason across nine climate regions →
Detroit weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:31 AM EDT · Open-Meteo
- TodaySep 21Overcast——64°53°—
- TuesdaySep 22Overcast——67°49°+3°
- WednesdaySep 23Drizzle25%0.02″67°57°0°
- ThursdaySep 24Overcast——70°57°+3°
- FridaySep 25Overcast——69°57°-1°
- SaturdaySep 26Overcast——74°55°+5°
- SundaySep 27Overcast——64°60°-10°
Air quality now AQI 48 · Good
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.9 µg/m³, PM10 at 8.1 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.
What's driving it
PM × Wind × Precip
PM2.5 at 7.9 µg/m³, PM10 at 8.1 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
- 5:11 PM
- Moonset
- 1:44 AM
- In sign
- ♑︎ Capricorn
Detroit at a glance
- Today vs. normal: Today averages 59°F (high 64°F, low 53°F), 5°F below the 64°F normal for Sep 21
- Last frost: April 27 (1991–2020 median, NOAA station 7 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Detroit
- Mon64°54°3%
- Tue67°49°7%
- Wed67°57°25%
- Thu70°57°4%
- Fri69°57°0%
- Sat74°55°0%
- Sun64°60°2%
- Mon74°60°8%
- Tue82°63°16%
- Wed77°65°21%
- Thu70°60°21%
- Fri61°52°11%
- Sat78°58°23%
- Sun69°53°20%
- Mon58°48°21%
- Tue57°44°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Detroit
Interactive wind and temperature map centered on Detroit — 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 25) 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 Detroit
Detroit sits in Wayne County, where the year’s longest day runs 15h 17m of daylight and its shortest just 9h 4m — a swing of +6h 13m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Detroit is the state’s largest city. The nearest town Detroit tracks is Warren, roughly 9 miles to the NNE.
Air quality in Detroit
Air quality in Detroit’s county has held roughly steady since 2020; its cleanest year on record was 2025 (median AQI 54). See the full air-quality history for Detroit.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | 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 | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Detroit's warmest month is July (~75°F mean) and its coldest is January (~24°F). Rainfall peaks in April (3.4 inches) and bottoms out in January (1.9 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 24° | 1.9″ |
| February | 25° | 2.0″ |
| March | 35° | 2.7″ |
| April | 48° | 3.4″ |
| May | 58° | 3.2″ |
| June | 69° | 3.3″ |
| July | 75° | 3.2″ |
| August | 74° | 3.0″ |
| September | 67° | 2.8″ |
| October | 55° | 2.5″ |
| November | 40° | 2.7″ |
| December | 29° | 2.5″ |
Regional context
Similar climates Highland Park, MI, Hamtramck, MI, Hazel Park, MI
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Detroit sees 24°F Januarys and 75°F Julys, a 52°F range, plus around 33.1 inches of precipitation.
Rainfall in Detroit splits evenly between the seasons: April tops out at 3.4 inches, and January logs 1.9 inches — neither half of Detroit's year dominates. That even rhythm groups Detroit with places like Highland Park, MI, Hamtramck, MI and Hazel Park, MI.
The cool-season window in Detroit starts at April 27, when nights stop freezing — think kale, peas, spinach, and parsnips. In Detroit, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Detroit's frost date. It shuts near October 25, when freezes return to Detroit and tender plants need cover. Sheltered Detroit yards can escape a light frost.
Similar climates: Highland Park, MI, Hamtramck, MI, Hazel Park, MI, Ferndale, MI, Pleasant Ridge, MI.
Frequently asked
- When does it freeze in Detroit?
- In Detroit, expect the last spring frost near April 27; Detroit's first autumn frost comes around October 25.
- What is the rainy season in Detroit?
- April is the wettest month in Detroit, about 3.4 inches on average; the year totals roughly 33 inches.
- What is the warmest month in Detroit?
- On average July tops the year in Detroit at about 75°F.
- What is the coldest month in Detroit?
- The coldest stretch in Detroit falls in January, around 24°F on average.
- When can I start a vegetable garden in Detroit?
- Around April 27, start frost-hardy crops in Detroit; tomatoes and basil belong a fortnight later.
- What hardiness zone is Detroit?
- Because Detroit bottoms near 24°F in January, that winter low sets Detroit's USDA zone — verify by ZIP.
- What is the 10-day forecast for Detroit?
- Detroit'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 Detroit?
- See this week's day-by-day rain chances for Detroit in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Detroit?
- Current conditions for Detroit and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Detroit forecast updated?
- The Detroit forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Detroit?
- Today's sunrise and sunset times for Detroit 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 Detroit?
- The next few days in Detroit's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Detroit sits at 42.4°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Detroit
- 48201
- 48202
- 48203
- 48204
- 48205
- 48206
- 48207
- 48208
- 48209
- 48210
- 48211
- 48212
- 48213
- 48214
- 48215
- 48216
- 48217
- 48219
- 48221
- 48223
- 48224
- 48226
- 48227
- 48228
- 48231
- 48232
- 48233
- 48234
- 48235
- 48238
- 48239
- 48242
- 48243
- 48244
- 48255
- 48260
- 48264
- 48266
- 48267
- 48268
- 48269
- 48272
- 48275
- 48277
- 48278
- 48279
- 48288