Grant, OK Weather & Growing Conditions
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 102. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 mph SE | 0% |
| Tonight | 74°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 99°F | Sunny | 5 mph S | 1% |
| Wednesday Night | 76°F | Mostly Clear | 5 mph S | 1% |
| Thursday | 98°F | Mostly Sunny | 5 mph S | 5% |
| Thursday Night | 75°F | Partly Cloudy | 5 mph S | 8% |
| Friday | 95°F | Mostly Sunny | 5 mph S | 14% |
| Friday Night | 74°F | Mostly Clear | 5 mph SE | 14% |
| Saturday | 95°F | Sunny | 0 to 5 mph S | 10% |
| Saturday Night | 74°F | Mostly Clear | 5 mph SE | 10% |
| Sunday | 95°F | Sunny | 5 mph S | 4% |
| Sunday Night | 74°F | Mostly Clear | 5 mph S | 4% |
| Monday | 95°F | Sunny | 5 to 10 mph S | 6% |
| Monday Night | 74°F | Mostly Clear | 5 mph S | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grant, OK
Last spring frost
Mar 15
First fall frost
Nov 15
Growing season
244 days
Hardiness zone
8a
Explore more for Grant, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Hugo, Ok (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.