Harman US

Rio Grande, OH Weather & Growing Conditions

Overnight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. Southeast wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 59°F Mostly Cloudy 7 mph SE 2%
Wednesday 71°F Light Rain 7 to 13 mph S 97%
Wednesday Night 56°F Light Rain 3 to 12 mph SW 92%
Thursday 70°F Mostly Sunny 2 to 8 mph SW 0%
Thursday Night 44°F Partly Cloudy 3 mph SW 1%
Friday 66°F Mostly Sunny 1 to 8 mph W 9%
Friday Night 38°F Mostly Cloudy 3 to 7 mph NW 9%
Saturday 56°F Partly Sunny 5 to 8 mph W 2%
Saturday Night 33°F Partly Cloudy 1 to 5 mph NW 0%
Sunday 58°F Mostly Sunny 2 to 9 mph W 3%
Sunday Night 31°F Mostly Clear 2 to 6 mph W 4%
Monday 60°F Sunny 2 to 7 mph W 5%
Monday Night 33°F Mostly Clear 3 mph SW 2%
Tuesday 66°F Sunny 5 to 8 mph SW 1%

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

Growing snapshot for Rio Grande, OH

Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
192 days
Hardiness zone
6b

Explore more for Rio Grande, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Gallipolis, Oh (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.