Harman US

Riverdale, MI Weather & Growing Conditions

This Afternoon
70°F
Rain Showers
Rain showers. Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Rain Showers 13 mph S 97%
Tonight 47°F Chance Rain Showers 12 mph SW 44%
Thursday 55°F Rain Showers Likely 13 mph SW 67%
Thursday Night 37°F Chance Rain Showers then Mostly Cloudy 9 mph W 49%
Friday 47°F Rain Showers Likely 12 mph NW 60%
Friday Night 31°F Chance Rain Showers then Mostly Cloudy 7 to 10 mph NNW 48%
Saturday 51°F Mostly Sunny 9 mph NW 1%
Saturday Night 29°F Mostly Clear 6 mph W 1%
Sunday 57°F Sunny 7 to 13 mph W 4%
Sunday Night 33°F Mostly Clear 5 to 9 mph W 4%
Monday 59°F Mostly Sunny 5 to 12 mph W 1%
Monday Night 39°F Mostly Clear 10 mph WSW 1%
Tuesday 61°F Sunny 7 to 10 mph W 1%
Tuesday Night 34°F Partly Cloudy 3 to 7 mph WNW 1%

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

Growing snapshot for Riverdale, MI

Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Alma, Mi (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.