Rio Grande, OH Weather & Growing Conditions
This Afternoon
81°F
Partly Sunny
Partly sunny, with a high near 81. Northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Partly Sunny | 7 mph NE | 9% |
| Tonight | 63°F | Partly Cloudy | 2 to 7 mph NE | 1% |
| Saturday | 87°F | Mostly Sunny | 2 mph NE | 6% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 mph SE | 41% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 6 mph SW | 52% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 mph N | 52% |
| Monday | 79°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph NE | 37% |
| Monday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 8 mph NE | 60% |
| Tuesday | 76°F | Showers And Thunderstorms Likely | 7 mph N | 60% |
| Tuesday Night | 62°F | Showers And Thunderstorms Likely | 7 mph NE | 67% |
| Wednesday | 72°F | Showers And Thunderstorms Likely | 7 mph E | 67% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 7 mph E | 61% |
| Thursday | 71°F | Slight Chance Rain Showers | 7 mph N | 19% |
| Thursday Night | 57°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 6 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rio Grande, OH
Last spring frost
Apr 30
First fall frost
Oct 15
Growing season
167 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, Waterloo, Oh (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.