Richwood, OH Weather & Growing Conditions
Overnight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Partly Cloudy | 3 mph NE | 1% |
| Saturday | 77°F | Patchy Fog then Chance Showers And Thunderstorms | 6 mph E | 38% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 7 mph S | 59% |
| Sunday | 77°F | Showers And Thunderstorms | 6 to 12 mph W | 87% |
| Sunday Night | 57°F | Showers And Thunderstorms | 9 to 14 mph NE | 78% |
| Monday | 69°F | Chance Rain Showers | 9 to 14 mph NE | 51% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 16 mph NE | 47% |
| Tuesday | 69°F | Chance Rain Showers | 14 mph NE | 45% |
| Tuesday Night | 56°F | Chance Rain Showers | 9 to 15 mph NE | 52% |
| Wednesday | 68°F | Chance Rain Showers | 12 mph NE | 52% |
| Wednesday Night | 55°F | Chance Rain Showers | 7 to 10 mph NE | 34% |
| Thursday | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 10 mph N | 15% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 15% |
| Friday | 70°F | Partly Sunny | 6 to 10 mph N | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Richwood, OH
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
188 days
Hardiness zone
6a
Explore more for Richwood, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Marysville, Oh (16.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.