Rock Island, TX Weather & Growing Conditions
This Afternoon
79°F
Partly Sunny
Partly sunny. High near 79, with temperatures falling to around 75 in the afternoon. North wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Partly Sunny | 5 to 10 mph N | 4% |
| Tonight | 55°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Wednesday | 76°F | Sunny | 5 mph N | 0% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Thursday | 80°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 24% |
| Thursday Night | 60°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 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 | Partly Cloudy | 0 to 5 mph N | 15% |
| Sunday | 71°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 | 5 mph NE | 2% |
| Monday Night | 48°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rock Island, TX
Last spring frost
Mar 9
First fall frost
Nov 20
Growing season
255 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, Columbus, Tx (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.