Buffalo, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo, a town in Harper County, Oklahoma.
Tonight
41°F
Mostly Clear
Mostly clear, with a low around 41. Northwest wind 5 to 9 mph.
7-day forecast for Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Clear | 5 to 9 mph NW | 0% |
| Wednesday | 65°F | Sunny | 5 mph WSW | 1% |
| Wednesday Night | 46°F | Partly Cloudy then Chance Showers And Thunderstorms | 6 mph ESE | 47% |
| Thursday | 57°F | Rain Showers Likely | 7 to 12 mph N | 60% |
| Thursday Night | 37°F | Mostly Clear | 5 mph NNW | 0% |
| Friday | 60°F | Sunny | 3 mph NNE | 0% |
| Friday Night | 39°F | Partly Cloudy | 2 mph SSE | 1% |
| Saturday | 64°F | Mostly Sunny | 3 mph WNW | 2% |
| Saturday Night | 40°F | Clear | 3 mph WSW | 1% |
| Sunday | 67°F | Sunny | 3 mph WSW | 1% |
| Sunday Night | 43°F | Clear | 5 mph SSW | 0% |
| Monday | 71°F | Sunny | 5 to 8 mph SSW | 0% |
| Monday Night | 46°F | Mostly Clear | 6 mph SW | 0% |
| Tuesday | 69°F | Mostly Sunny | 6 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Buffalo (36.829, -99.638). Updated through the day.
Growing snapshot for Buffalo
Last spring frost
Apr 13
First fall frost
Oct 25
Growing season
195 days
Hardiness zone
7a
More local growing data for Buffalo: nearby ZIP 73834 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Buffalo 1Sw Mesonet, Ok (4.1 mi from Buffalo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.