Cyril, OK Weather & Growing Conditions
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 101. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 10 mph S | 0% |
| Tonight | 75°F | Mostly Clear | 9 mph S | 2% |
| Wednesday | 102°F | Sunny | 8 to 13 mph SSW | 2% |
| Wednesday Night | 75°F | Mostly Clear | 8 to 12 mph S | 2% |
| Thursday | 100°F | Mostly Sunny | 10 mph SSW | 10% |
| Thursday Night | 74°F | Partly Cloudy | 8 to 12 mph SSE | 14% |
| Friday | 98°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph S | 22% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 8 to 12 mph SSE | 19% |
| Saturday | 98°F | Sunny | 7 to 10 mph S | 9% |
| Saturday Night | 73°F | Mostly Clear | 12 mph S | 3% |
| Sunday | 98°F | Sunny | 8 to 13 mph S | 2% |
| Sunday Night | 73°F | Clear | 13 mph S | 0% |
| Monday | 98°F | Sunny | 12 to 15 mph S | 0% |
| Monday Night | 74°F | Mostly Clear | 14 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cyril, OK
Last spring frost
Apr 3
First fall frost
Nov 3
Growing season
213 days
Hardiness zone
7b
Explore more for Cyril, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Apache 4Ene Mesonet, Ok (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.