Rio Grande, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio Grande, a village in Gallia County, Ohio.
Today
87°F
Sunny
Sunny, with a high near 87. Northeast wind around 5 mph.
7-day forecast for Rio Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 mph NE | 3% |
| Tonight | 68°F | Partly Cloudy | 3 mph E | 6% |
| Wednesday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph S | 46% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 51% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 63% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 63% |
| Friday | 85°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 73% |
| Friday Night | 68°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 73% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 51% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 51% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 21% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 21% |
| Monday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 21% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph SW | 31% |
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 Aug 4, 2026.