Marietta, OK Weather & Growing Conditions
Tonight
46°F
Mostly Clear
Mostly clear, with a low around 46. Northwest wind 3 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Clear | 3 to 10 mph NW | 0% |
| Wednesday | 71°F | Mostly Sunny | 1 to 5 mph WNW | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 3 mph SSE | 0% |
| Thursday | 74°F | Mostly Sunny | 5 to 10 mph SW | 4% |
| Thursday Night | 45°F | Partly Cloudy | 6 to 12 mph NNW | 13% |
| Friday | 68°F | Sunny | 6 to 9 mph N | 0% |
| Friday Night | 42°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 41°F | Partly Cloudy | 2 mph NNW | 4% |
| Sunday | 70°F | Sunny | 5 mph NNW | 1% |
| Sunday Night | 41°F | Clear | 1 mph NNW | 1% |
| Monday | 72°F | Sunny | 1 to 7 mph S | 1% |
| Monday Night | 44°F | Mostly Clear | 5 mph S | 1% |
| Tuesday | 75°F | Sunny | 3 to 8 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marietta, OK
Last spring frost
Apr 6
First fall frost
Nov 2
Growing season
211 days
Hardiness zone
8a
Explore more for Marietta, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Marietta 5Sw, Ok (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.