Thomas, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thomas, a city in Custer County, Oklahoma.
Tonight
75°F
Mostly Clear
Mostly clear, with a low around 75. South wind around 13 mph, with gusts as high as 20 mph.
7-day forecast for Thomas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Mostly Clear | 13 mph S | 1% |
| Saturday | 99°F | Sunny | 12 to 16 mph SSW | 7% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 12 to 15 mph S | 32% |
| Sunday | 96°F | Chance Showers And Thunderstorms | 10 mph S | 53% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 9 mph NNE | 53% |
| Monday | 85°F | Slight Chance Rain Showers then Partly Sunny | 12 mph NNE | 21% |
| Monday Night | 62°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 12 mph NE | 16% |
| Tuesday | 81°F | Slight Chance Rain Showers | 10 mph ENE | 16% |
| Tuesday Night | 60°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 10 mph ENE | 17% |
| Wednesday | 83°F | Slight Chance Rain Showers | 6 to 9 mph E | 17% |
| Wednesday Night | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 9 mph E | 21% |
| Thursday | 84°F | Chance Rain Showers | 5 to 8 mph ESE | 37% |
| Thursday Night | 64°F | Chance Rain Showers | 5 to 8 mph ESE | 25% |
| Friday | 85°F | Chance Rain Showers | 5 to 9 mph SSE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Thomas (35.745, -98.745). Updated through the day.
Growing snapshot for Thomas
Last spring frost
Apr 6
First fall frost
Nov 3
Growing season
211 days
Hardiness zone
7b
More local growing data for Thomas: nearby ZIP 73669 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Watonga 7W Mesonet, Ok (13.7 mi from Thomas). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.