Rio Grande, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio Grande, a village in Gallia County, Ohio.
Overnight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. Southeast wind around 7 mph.
7-day forecast for Rio Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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) for Rio Grande (38.880, -82.379). Updated through the day.
Growing snapshot for Rio Grande
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
192 days
Hardiness zone
6b
More local growing data for Rio Grande: nearby ZIP 45674 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gallipolis, Oh (11.4 mi from Rio Grande). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.