Marietta, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marietta, a community in Adair County, Oklahoma.
This Afternoon
68°F
Patchy Drizzle
Patchy drizzle and a slight chance of rain showers. Mostly cloudy. High near 68, with temperatures falling to around 59 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marietta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Patchy Drizzle | 10 mph W | 18% |
| Tonight | 45°F | Patchy Drizzle then Mostly Cloudy | 5 to 10 mph NW | 6% |
| Wednesday | 65°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 41°F | Mostly Clear | 0 mph | 0% |
| Thursday | 67°F | Mostly Sunny then Chance Rain Showers | 0 to 5 mph SW | 29% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 21% |
| Friday | 61°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 37°F | Mostly Clear | 0 mph | 5% |
| Sunday | 63°F | Sunny | 0 to 5 mph NW | 4% |
| Sunday Night | 38°F | Clear | 0 mph | 1% |
| Monday | 67°F | Sunny | 0 to 5 mph S | 0% |
| Monday Night | 41°F | Mostly Clear | 0 mph | 0% |
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 Nov 4, 2026.