Marietta, OH Weather & Growing Conditions
Tonight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. North wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 2 to 6 mph N | 0% |
| Saturday | 84°F | Mostly Sunny | 2 mph E | 3% |
| Saturday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph SE | 64% |
| Sunday | 83°F | Showers And Thunderstorms | 7 mph SW | 85% |
| Sunday Night | 64°F | Showers And Thunderstorms | 5 mph N | 85% |
| Monday | 75°F | Chance Rain Showers | 5 to 8 mph NE | 41% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 63% |
| Tuesday | 73°F | Showers And Thunderstorms Likely | 8 mph NE | 64% |
| Tuesday Night | 60°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 72% |
| Wednesday | 69°F | Showers And Thunderstorms Likely | 9 mph E | 72% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 5 to 9 mph E | 63% |
| Thursday | 70°F | Chance Rain Showers | 6 mph NE | 26% |
| Thursday Night | 56°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph N | 26% |
| Friday | 71°F | Partly Sunny then Slight Chance Rain Showers | 3 to 7 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marietta, OH
Last spring frost
Apr 18
First fall frost
Oct 27
Growing season
191 days
Hardiness zone
6b
Explore more for Marietta, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Marietta Wwtp, Oh (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.