Sweetwater, OK Weather & Growing Conditions
Today
102°F
Mostly Sunny
Mostly sunny, with a high near 102. Heat index values as high as 100. South wind 7 to 13 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 102°F | Mostly Sunny | 7 to 13 mph S | 1% |
| Tonight | 72°F | Partly Cloudy | 6 to 13 mph S | 6% |
| Wednesday | 101°F | Sunny | 6 to 15 mph SSW | 3% |
| Wednesday Night | 73°F | Partly Cloudy | 6 to 15 mph S | 5% |
| Thursday | 100°F | Sunny | 5 to 14 mph SSW | 8% |
| Thursday Night | 72°F | Partly Cloudy | 7 to 14 mph SSE | 11% |
| Friday | 100°F | Sunny | 6 to 13 mph S | 9% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 to 13 mph S | 16% |
| Saturday | 100°F | Sunny | 5 to 13 mph SSW | 8% |
| Saturday Night | 72°F | Clear | 7 to 13 mph S | 2% |
| Sunday | 100°F | Sunny | 7 to 15 mph SSW | 0% |
| Sunday Night | 72°F | Clear | 9 to 15 mph S | 0% |
| Monday | 100°F | Sunny | 8 to 17 mph S | 0% |
| Monday Night | 73°F | Clear | 9 to 17 mph S | 0% |
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 Aug 4, 2026.