Harman US

Thomas, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Thomas, a city in Custer County, Oklahoma.

This Afternoon
61°F
Partly Sunny
Partly sunny, with a high near 61. North northwest wind 16 to 21 mph, with gusts as high as 31 mph.

7-day forecast for Thomas

WhenTempForecastWindPrecip
This Afternoon 61°F Partly Sunny 16 to 21 mph NNW 1%
Tonight 44°F Mostly Clear 5 to 13 mph NW 0%
Wednesday 66°F Sunny 7 mph WSW 0%
Wednesday Night 48°F Mostly Clear 7 mph SSE 6%
Thursday 58°F Rain Showers Likely 5 to 15 mph NNE 69%
Thursday Night 40°F Mostly Clear 7 mph NNW 1%
Friday 61°F Sunny 7 mph NNE 0%
Friday Night 40°F Partly Cloudy 1 to 5 mph NNE 1%
Saturday 62°F Mostly Sunny 1 to 5 mph WNW 2%
Saturday Night 42°F Mostly Clear 5 mph WSW 1%
Sunday 67°F Sunny 6 mph WSW 2%
Sunday Night 43°F Clear 6 mph S 1%
Monday 69°F Sunny 6 to 13 mph SSW 0%
Monday Night 47°F Mostly Clear 8 mph SSW 1%

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

All Oklahoma locations ›

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 Nov 4, 2026.