Rock Island, TX Weather & Growing Conditions
Tonight
55°F
Mostly Clear
Mostly clear, with a low around 55. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 76°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 54°F | Mostly Clear | 0 mph | 2% |
| Thursday | 80°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 24% |
| Thursday Night | 60°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph N | 24% |
| Friday | 76°F | Sunny | 5 to 10 mph N | 5% |
| Friday Night | 54°F | Mostly Clear | 5 mph N | 1% |
| Saturday | 72°F | Partly Sunny | 5 to 10 mph N | 16% |
| Saturday Night | 52°F | Mostly Cloudy | 0 to 5 mph N | 16% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Sunday Night | 48°F | Mostly Clear | 0 to 5 mph N | 15% |
| Monday | 72°F | Sunny | 0 to 5 mph NE | 2% |
| Monday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 75°F | Mostly Sunny | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rock Island, TX
Last spring frost
Feb 21
First fall frost
Dec 1
Growing season
285 days
Hardiness zone
9a
Explore more for Rock Island, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Eagle Lake Resch Ctr, Tx (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.