Harman US

Grand Rapids, OH Weather & Growing Conditions

Tonight
63°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 4am. Mostly cloudy, with a low around 63. South wind 12 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 63°F Mostly Cloudy then Chance Light Rain 12 to 15 mph S 36%
Wednesday 70°F Light Rain 16 to 20 mph S 75%
Wednesday Night 51°F Chance Light Rain then Mostly Cloudy 9 to 16 mph SW 50%
Thursday 62°F Partly Sunny 10 to 17 mph SW 4%
Thursday Night 47°F Mostly Cloudy 5 to 10 mph SW 4%
Friday 57°F Chance Light Rain 3 to 9 mph NW 35%
Friday Night 39°F Chance Light Rain 9 mph NW 25%
Saturday 53°F Slight Chance Light Rain then Partly Sunny 9 mph NW 17%
Saturday Night 34°F Partly Cloudy 5 mph W 5%
Sunday 56°F Mostly Sunny then Slight Chance Light Rain 3 to 13 mph W 17%
Sunday Night 35°F Slight Chance Light Rain then Partly Cloudy 6 to 10 mph W 17%
Monday 58°F Mostly Sunny 7 to 14 mph W 13%
Monday Night 38°F Partly Cloudy 12 mph SW 11%
Tuesday 62°F Mostly Sunny 9 to 14 mph W 3%

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

Growing snapshot for Grand Rapids, OH

Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
6a

Explore more for Grand Rapids, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Toledo Express Ap, Oh (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.