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
99°F
Sunny
Sunny, with a high near 99. South wind 5 to 10 mph.
7-day forecast for Thunderbird Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 73°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Wednesday | 97°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 73°F | Mostly Clear | 5 to 10 mph S | 0% |
| Thursday | 97°F | Sunny | 5 mph S | 0% |
| Thursday Night | 73°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Friday | 95°F | Sunny | 5 mph S | 1% |
| Friday Night | 72°F | Mostly Clear | 5 mph SSE | 3% |
| Saturday | 95°F | Sunny | 5 mph S | 5% |
| Saturday Night | 72°F | Mostly Clear | 5 mph SSE | 5% |
| Sunday | 95°F | Sunny | 5 to 10 mph S | 2% |
| Sunday Night | 72°F | Mostly Clear | 5 to 10 mph SSE | 2% |
| Monday | 95°F | Sunny | 5 to 10 mph S | 2% |
| Monday Night | 72°F | Mostly Clear | 10 mph S | 2% |
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 Aug 4, 2026.