Rio Grande, OH Weather & Growing Conditions
Overnight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. South wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Cloudy | 8 mph S | 2% |
| Wednesday | 71°F | Light Rain | 8 to 12 mph S | 98% |
| Wednesday Night | 56°F | Light Rain | 3 to 12 mph S | 92% |
| Thursday | 70°F | Mostly Sunny | 3 to 8 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 3 mph SW | 1% |
| Friday | 66°F | Mostly Sunny | 1 to 8 mph W | 7% |
| Friday Night | 39°F | Mostly Cloudy | 3 to 7 mph NW | 7% |
| Saturday | 56°F | Partly Sunny | 5 to 8 mph W | 2% |
| Saturday Night | 33°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Sunday | 59°F | Mostly Sunny | 2 to 8 mph W | 3% |
| Sunday Night | 32°F | Mostly Clear | 2 to 6 mph W | 3% |
| Monday | 61°F | Sunny | 3 to 7 mph W | 4% |
| Monday Night | 34°F | Mostly Clear | 1 to 5 mph SW | 2% |
| Tuesday | 65°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 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 Nov 4, 2026.