Harman US

Mason, MI Weather & Growing Conditions

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

This Afternoon
72°F
Mostly Cloudy
Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. Northeast wind around 7 mph.

7-day forecast for Mason

WhenTempForecastWindPrecip
This Afternoon 72°F Mostly Cloudy 7 mph NE 1%
Tonight 54°F Mostly Cloudy then Chance Rain Showers 5 to 8 mph ENE 32%
Saturday 65°F Showers And Thunderstorms 5 to 9 mph ESE 80%
Saturday Night 57°F Showers And Thunderstorms 0 to 8 mph E 84%
Sunday 66°F Rain Showers Likely 5 to 10 mph NNE 56%
Sunday Night 50°F Chance Rain Showers then Mostly Cloudy 7 to 10 mph NE 42%
Monday 62°F Mostly Cloudy 8 to 12 mph NE 13%
Monday Night 47°F Mostly Cloudy 7 to 12 mph NE 9%
Tuesday 62°F Partly Sunny then Slight Chance Rain Showers 8 to 12 mph NE 20%
Tuesday Night 49°F Chance Rain Showers 7 to 10 mph NE 40%
Wednesday 62°F Chance Rain Showers 7 to 10 mph NE 40%
Wednesday Night 49°F Chance Rain Showers then Mostly Cloudy 1 to 8 mph NE 31%
Thursday 65°F Partly Sunny 3 to 8 mph NNE 7%
Thursday Night 49°F Mostly Cloudy 0 to 6 mph NNE 7%

Forecast source: National Weather Service (api.weather.gov) for Mason (42.581, -84.442). Updated through the day.

Growing snapshot for Mason

Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
6a

More local growing data for Mason: nearby ZIP 48854 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, East Lansing 4 S, Mi (6.6 mi from Mason). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.