Thunderbird Bay, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thunderbird Bay, a community in Brown County, Texas.
Today
97°F
Sunny
Sunny, with a high near 97. South wind 5 to 10 mph.
7-day forecast for Thunderbird Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 5 to 10 mph S | 1% |
| Tonight | 72°F | Partly Cloudy | 5 to 10 mph S | 2% |
| Sunday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 22% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 42% |
| Monday | 94°F | Chance Rain Showers | 0 to 5 mph SSE | 39% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph ENE | 34% |
| Tuesday | 90°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 26% |
| Tuesday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph ENE | 26% |
| Wednesday | 91°F | Mostly Sunny | 5 to 10 mph E | 14% |
| Wednesday Night | 66°F | Mostly Cloudy | 5 to 10 mph E | 7% |
| Thursday | 91°F | Partly Sunny | 0 to 10 mph ESE | 5% |
| Thursday Night | 66°F | Mostly Cloudy | 0 to 10 mph ESE | 5% |
| Friday | 92°F | Partly Sunny | 0 to 10 mph SE | 4% |
| Friday Night | 66°F | Partly Cloudy | 0 to 10 mph ESE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Thunderbird Bay (31.910, -99.021). Updated through the day.
Growing snapshot for Thunderbird Bay
Last spring frost
Mar 26
First fall frost
Nov 10
Growing season
230 days
Hardiness zone
8a
More local growing data for Thunderbird Bay: nearby ZIP 76857 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rising Star 1S, Tx (10.6 mi from Thunderbird Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.