Harman US

Romulus, MI Weather & Growing Conditions

This Afternoon
67°F
Light Rain
Rain. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. South wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Light Rain 15 mph S 85%
Tonight 51°F Light Rain Likely then Mostly Cloudy 10 to 15 mph SW 53%
Thursday 60°F Mostly Cloudy then Slight Chance Light Rain 12 to 17 mph SW 10%
Thursday Night 44°F Chance Light Rain 8 to 12 mph W 39%
Friday 54°F Chance Light Rain 13 mph NW 47%
Friday Night 37°F Chance Light Rain 13 mph NW 41%
Saturday 51°F Slight Chance Light Rain then Partly Sunny 9 to 13 mph NW 16%
Saturday Night 33°F Partly Cloudy 5 to 8 mph WNW 4%
Sunday 56°F Sunny 6 to 14 mph W 4%
Sunday Night 35°F Mostly Clear 7 to 12 mph W 4%
Monday 58°F Mostly Sunny 6 to 12 mph W 2%
Monday Night 38°F Mostly Clear 12 mph WSW 1%
Tuesday 61°F Mostly Sunny 12 mph W 15%
Tuesday Night 36°F Partly Cloudy 5 to 8 mph WNW 15%

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 (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.