Harman US

Whittemore, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Whittemore, a city in Iosco County, Michigan.

Overnight
58°F
Mostly Cloudy
Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. South wind around 10 mph.

7-day forecast for Whittemore

WhenTempForecastWindPrecip
Overnight 58°F Mostly Cloudy 10 mph S 2%
Wednesday 70°F Rain Showers 10 to 15 mph S 92%
Wednesday Night 48°F Rain Showers Likely then Mostly Cloudy 10 mph SW 71%
Thursday 57°F Rain Showers Likely 10 to 15 mph SW 72%
Thursday Night 36°F Rain Showers Likely 5 to 10 mph W 74%
Friday 48°F Rain Showers Likely 10 mph N 74%
Friday Night 30°F Rain Showers Likely 5 to 10 mph N 71%
Saturday 50°F Partly Sunny 5 to 10 mph NW 13%
Saturday Night 27°F Partly Cloudy 5 mph NW 2%
Sunday 55°F Mostly Sunny 5 to 10 mph W 11%
Sunday Night 30°F Partly Cloudy 5 to 10 mph W 11%
Monday 58°F Mostly Sunny 5 to 10 mph W 2%
Monday Night 34°F Partly Cloudy 5 to 10 mph SW 5%
Tuesday 59°F Mostly Sunny 5 to 10 mph W 7%

Forecast source: National Weather Service (api.weather.gov) for Whittemore (44.234, -83.803). Updated through the day.

Growing snapshot for Whittemore

Last spring frost
May 23
First fall frost
Sep 26
Growing season
127 days
Hardiness zone
5a

More local growing data for Whittemore: nearby ZIP 48770 weather · frost dates · planting calendar · Michigan frost dates

Nearby towns & communities

All Michigan locations ›

Climate data from the nearest NOAA station, Hale 5Ssw #2, Mi (4.4 mi from Whittemore). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.