Marietta, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marietta, a community in Adair County, Oklahoma.
Overnight
69°F
Clear
Clear, with a low around 69. Southeast wind around 10 mph.
7-day forecast for Marietta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Clear | 10 mph SE | 0% |
| Tuesday | 94°F | Sunny | 5 to 10 mph SE | 0% |
| Tuesday Night | 72°F | Mostly Clear | 5 to 10 mph SE | 0% |
| Wednesday | 95°F | Sunny | 5 mph S | 3% |
| Wednesday Night | 72°F | Partly Cloudy | 5 mph S | 10% |
| Thursday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 15% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 46% |
| Friday | 90°F | Chance Showers And Thunderstorms | 5 mph S | 40% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SE | 38% |
| Saturday | 91°F | Sunny | 5 mph S | 14% |
| Saturday Night | 71°F | Mostly Clear | 5 mph S | 14% |
| Sunday | 92°F | Sunny | 5 to 10 mph S | 2% |
| Sunday Night | 72°F | Mostly Clear | 5 mph S | 2% |
| Monday | 92°F | Sunny | 5 to 10 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Marietta (35.848, -94.653). Updated through the day.
Growing snapshot for Marietta
Last spring frost
Mar 31
First fall frost
Nov 4
Growing season
217 days
Hardiness zone
7b
More local growing data for Marietta: nearby ZIP 74960 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Stilwell 5 Nnw, Ok (5.9 mi from Marietta). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.