Silo, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silo, a town in Bryan County, Oklahoma.
This Afternoon
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 101. South southeast wind around 8 mph.
7-day forecast for Silo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Sunny | 8 mph SSE | 0% |
| Tonight | 74°F | Mostly Clear | 7 mph S | 0% |
| Saturday | 100°F | Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 74°F | Mostly Clear | 6 to 9 mph S | 2% |
| Sunday | 99°F | Mostly Sunny | 7 to 10 mph S | 14% |
| Sunday Night | 70°F | Showers And Thunderstorms Likely | 2 to 7 mph S | 59% |
| Monday | 95°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 2 to 6 mph NW | 59% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 7 mph NE | 15% |
| Tuesday | 92°F | Mostly Sunny | 10 mph NNE | 10% |
| Tuesday Night | 65°F | Partly Cloudy | 6 to 10 mph NE | 3% |
| Wednesday | 92°F | Mostly Sunny | 8 mph ENE | 7% |
| Wednesday Night | 66°F | Mostly Clear | 7 mph ENE | 2% |
| Thursday | 93°F | Mostly Sunny | 6 mph E | 7% |
| Thursday Night | 66°F | Partly Cloudy | 6 mph ENE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Silo (34.036, -96.474). Updated through the day.
Growing snapshot for Silo
Last spring frost
Mar 31
First fall frost
Nov 5
Growing season
221 days
Hardiness zone
8a
More local growing data for Silo: nearby ZIP 73449 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Durant, Ok (10 mi from Silo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.