Tynan, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tynan, a community in Bee County, Texas.
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. Heat index values as high as 87. East wind around 3 mph.
7-day forecast for Tynan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 3 mph E | 1% |
| Saturday | 96°F | Sunny | 2 to 10 mph ENE | 6% |
| Saturday Night | 74°F | Mostly Clear | 1 to 12 mph SE | 0% |
| Sunday | 97°F | Sunny | 2 to 9 mph ESE | 3% |
| Sunday Night | 75°F | Partly Cloudy | 2 to 13 mph SE | 3% |
| Monday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph SE | 16% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 10 mph SE | 16% |
| Tuesday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph ENE | 19% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 12 mph E | 19% |
| Wednesday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 12 mph ENE | 15% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 13 mph E | 15% |
| Thursday | 98°F | Sunny then Chance Showers And Thunderstorms | 5 to 13 mph ENE | 25% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 2 to 13 mph E | 25% |
| Friday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 7 to 12 mph ENE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Tynan (28.171, -97.749). Updated through the day.
Growing snapshot for Tynan
Last spring frost
Feb 1
First fall frost
Dec 17
Growing season
324 days
Hardiness zone
9b
More local growing data for Tynan: nearby ZIP 78391 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sinton, Tx (13.9 mi from Tynan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.