Detroit, Michigan Weather

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Detroit weather forecast — hour by hour, 7-day outlook, NOAA radar

Detroit, MI
Monday, September 21 at 7:55 AM
53
°
Clear
Feels like
49°
Humidity
86%
Wind
9 mph
Sunrise
7:18 AM
Sunset
7:31 PM

Conditions updated 7:55 AM EDT · Open-Meteo

Detroit, MI
Hour by hour · 24h
24-Hour ForecastDetroit, MI: 24-hour forecast. Temperatures range from 49 to 65 degrees Fahrenheit.
L 49°H 65°
Detroit, MI
7-day forecast
  1. Today
    Sep 21
    Overcast later
    65°54°
  2. Tuesday
    Sep 22
    Overcast
    67°49°+2°
  3. Wednesday
    Sep 23
    Drizzle
    25%
    0.02″
    67°57°
  4. Thursday
    Sep 24
    Overcast
    70°57°+3°
  5. Friday
    Sep 25
    Overcast
    69°57°-1°
  6. Saturday
    Sep 26
    Overcast
    74°55°+5°
  7. Sunday
    Sep 27
    Overcast
    64°60°-10°
Detroit, MI
Anemometer · 24h winds · from true
NESW
From · True
NE
038° · veering 16°
Direction
NE
038°
Sustained
9
mph
Gust
23
mph
Peak 24h
29
avg 7 mph
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 mph · pk 29 mph @ 10:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 269SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 16° from the ne.
Detroit, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1020.5
+0.5 mb in 3h · steady · 30.14 inHg
Now
1020.5
mb
3h
+0.5
mb
12h
+3.2
mb
24h
+5.3
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10141021
1010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1019.61014.31019.6
Fair, steady air — a quiet anticyclone holds the sky.
Air quality now AQI 50 · Good
Detroit, MI
Air quality
50
AQI
Good
-1 in 6h

AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.8 µg/m³, PM10 at 7.0 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.

PM 2.5DRIVERGood
6.8μg/m³
PM 10Good
7μg/m³
NO₂Good
9μg/m³
OzoneGood
45μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 6.8 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.97
Wind
light
Recent rain
0h in last 6h
Pattern
background
Detroit, MI
Sky cover · visibility · 24h
Cloud cover
8%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
9.6mi
GOOD
15 mi0 mi−24h−18h−12h−6hnow
Detroit, MI
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:51 AM
Sunrise
7:18 AM
Daylight
12h 13m
Sunset
7:31 PM
Civil dusk
8:01 PM
Planting note
September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
Detroit, MI
The moon
Waxing Gibbous
74% illuminated
Moonrise
5:11 PM
Moonset
1:44 AM
In sign
♑︎ Capricorn

Detroit at a glance

  • Today vs. normal: Today averages 60°F (high 65°F, low 54°F), 4°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

  1. Mon65°54°7%
  2. Tue67°49°7%
  3. Wed67°57°25%
  4. Thu70°57°4%
  5. Fri69°57°0%
  6. Sat74°55°0%
  7. Sun64°60°2%
  8. Mon74°60°8%
  9. Tue82°63°16%
  10. Wed77°65°21%
  11. Thu70°60°21%
  12. Fri61°52°13%
  13. Sat78°58°16%
  14. Sun69°53°11%
  15. Mon58°48°19%
  16. Tue57°44°17%

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

MonthPlantHarvest
Aprillettuce, peas, spinach, radishesradishes
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, spinach, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Julytomatoes, peppers, beans, squashlettuce, peas, spinach, beans, summer squash, garlic
Augustbeans, squash, fall brassicas, carrotstomatoes, peppers, beans, summer squash, garlic
Septembergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Novemberfall 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).

MonthMean tempPrecip
January24°1.9
February25°2.0
March35°2.7
April48°3.4
May58°3.2
June69°3.3
July75°3.2
August74°3.0
September67°2.8
October55°2.5
November40°2.7
December29°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

Climate normals: modelled 1991–2020 normals from the EC_Earth3P_HR climate model via the Open-Meteo Climate API, not station observations. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.