Harman US

Rothbury, MI Weather & Growing Conditions

Overnight
55°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. Low around 55, with temperatures rising to around 57 overnight. Northeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 55°F Chance Showers And Thunderstorms 6 mph NE 31%
Sunday 72°F Chance Rain Showers then Mostly Cloudy 9 mph NE 28%
Sunday Night 47°F Mostly Cloudy 6 to 9 mph NE 1%
Monday 66°F Mostly Cloudy 7 to 10 mph ENE 1%
Monday Night 45°F Mostly Cloudy 6 to 9 mph ENE 3%
Tuesday 65°F Partly Sunny 7 to 12 mph ENE 3%
Tuesday Night 46°F Mostly Cloudy 6 to 12 mph ENE 7%
Wednesday 66°F Slight Chance Rain Showers 10 mph ENE 19%
Wednesday Night 47°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph ENE 19%
Thursday 69°F Partly Sunny 7 mph ENE 3%
Thursday Night 49°F Mostly Cloudy 5 mph ENE 3%
Friday 72°F Partly Sunny 2 to 6 mph NE 3%
Friday Night 48°F Partly Cloudy 2 to 6 mph NNE 2%
Saturday 73°F Mostly Sunny 2 to 6 mph NE 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Rothbury, MI

Last spring frost
May 19
First fall frost
Oct 4
Growing season
136 days
Hardiness zone
6a

Explore more for Rothbury, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Montague 4 Nw, Mi (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.