Harman US

Allen, MI Weather & Growing Conditions

This Afternoon
72°F
Mostly Sunny
Mostly sunny, with a high near 72. South wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 72°F Mostly Sunny 10 to 15 mph S 2%
Tonight 61°F Partly Cloudy then Chance Rain Showers 10 to 15 mph S 30%
Wednesday 69°F Rain Showers 10 to 15 mph S 97%
Wednesday Night 48°F Slight Chance Rain Showers then Mostly Cloudy 10 mph SW 24%
Thursday 60°F Slight Chance Rain Showers 10 to 15 mph SW 21%
Thursday Night 44°F Mostly Cloudy then Chance Rain Showers 5 to 10 mph W 32%
Friday 54°F Chance Rain Showers 5 to 10 mph NW 42%
Friday Night 35°F Slight Chance Rain Showers 5 to 10 mph N 23%
Saturday 52°F Partly Sunny 5 to 10 mph NW 11%
Saturday Night 32°F Partly Cloudy 0 to 5 mph W 5%
Sunday 55°F Mostly Sunny then Slight Chance Rain Showers 5 to 10 mph W 18%
Sunday Night 34°F Slight Chance Rain Showers then Partly Cloudy 5 to 10 mph W 18%
Monday 58°F Mostly Sunny 5 to 10 mph W 14%
Monday Night 38°F Partly Cloudy 10 mph SW 8%

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

Growing snapshot for Allen, MI

Last spring frost
May 3
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Hillsdale, Mi (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.