Foss, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foss, a town in Washita County, Oklahoma.
Tonight
44°F
Clear
Clear, with a low around 44. West northwest wind 5 to 8 mph.
7-day forecast for Foss
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Clear | 5 to 8 mph WNW | 0% |
| Wednesday | 68°F | Sunny | 3 to 8 mph WSW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 7 mph SSE | 3% |
| Thursday | 60°F | Rain Showers Likely | 6 to 18 mph NE | 55% |
| Thursday Night | 40°F | Mostly Clear | 5 to 8 mph NNW | 0% |
| Friday | 63°F | Sunny | 6 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Saturday | 63°F | Mostly Sunny | 1 to 5 mph W | 2% |
| Saturday Night | 42°F | Mostly Clear | 5 mph WSW | 1% |
| Sunday | 68°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 43°F | Clear | 6 mph SSW | 1% |
| Monday | 70°F | Sunny | 6 to 13 mph SSW | 0% |
| Monday Night | 47°F | Mostly Clear | 9 mph SSW | 0% |
| Tuesday | 70°F | Sunny | 7 to 10 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Foss (35.450, -99.171). Updated through the day.
Growing snapshot for Foss
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
More local growing data for Foss: nearby ZIP 73647 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bessie 4Wnw Mesonet, Ok (5.7 mi from Foss). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.