Romulus, MI Weather & Growing Conditions
This Afternoon
69°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 69, with temperatures falling to around 65 in the afternoon. East southeast wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms Likely | 9 mph ESE | 67% |
| Tonight | 60°F | Patchy Fog | 5 to 8 mph E | 94% |
| Sunday | 70°F | Patchy Fog | 7 to 13 mph NNE | 50% |
| Sunday Night | 53°F | Mostly Cloudy | 13 mph NE | 4% |
| Monday | 63°F | Mostly Cloudy | 12 to 15 mph NE | 4% |
| Monday Night | 50°F | Mostly Cloudy | 15 mph NE | 7% |
| Tuesday | 63°F | Mostly Cloudy | 17 mph NE | 13% |
| Tuesday Night | 52°F | Chance Rain Showers | 16 mph ENE | 46% |
| Wednesday | 63°F | Chance Rain Showers | 16 mph ENE | 52% |
| Wednesday Night | 52°F | Chance Rain Showers | 9 to 14 mph ENE | 52% |
| Thursday | 65°F | Slight Chance Rain Showers | 12 mph NE | 19% |
| Thursday Night | 52°F | Mostly Cloudy | 7 to 10 mph NE | 12% |
| Friday | 69°F | Mostly Sunny | 10 mph NE | 8% |
| Friday Night | 52°F | Partly Cloudy | 6 to 9 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Romulus, MI
Last spring frost
Apr 20
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6b
Explore more for Romulus, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Detroit Metro Ap, Mi (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.