Sweetwater, OK Weather & Growing Conditions
Tonight
42°F
Mostly Clear
Mostly clear, with a low around 42. West northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Clear | 3 mph WNW | 0% |
| Wednesday | 67°F | Sunny | 2 to 10 mph SW | 0% |
| Wednesday Night | 47°F | Clear | 6 mph SSE | 4% |
| Thursday | 60°F | Chance Rain Showers | 3 to 17 mph N | 36% |
| Thursday Night | 40°F | Mostly Clear | 6 mph NNW | 0% |
| Friday | 63°F | Sunny | 5 mph NNE | 0% |
| Friday Night | 40°F | Partly Cloudy | 2 mph NE | 0% |
| Saturday | 64°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 42°F | Mostly Clear | 3 mph WSW | 1% |
| Sunday | 67°F | Sunny | 5 mph WSW | 0% |
| Sunday Night | 42°F | Clear | 3 mph SSW | 1% |
| Monday | 70°F | Sunny | 3 to 10 mph SSW | 0% |
| Monday Night | 46°F | Mostly Clear | 7 mph SSW | 0% |
| Tuesday | 69°F | Mostly Sunny | 5 to 9 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sweetwater, OK
Last spring frost
Apr 11
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
7b
Explore more for Sweetwater, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Erick, Ok (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.