Weather in Rock Island, TX
Updated 2026-09-26 10:00 local time · ZIP codes 77470
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
82°12% rain85°11% rain88°10% rain91°9% rain92°9% rain94°9% rain94°9% rain92°9% rain91°9% rain88°10% rain
83°7% rain
80°4% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 83°F with winds near 4 mph.
83°F, 7% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 82°F, wind 4 mph, rain chance up to 12%.
UV index is 3.
Local weather characteristics in Rock Island
Texas spans several climate zones, from humid Gulf Coast areas to dry western deserts and the High Plains. Heat, severe thunderstorms, tropical systems and winter cold outbreaks can all affect different parts of the state.
Rock Island is part of the South weather region. The forecast point is near 29.53°N latitude and 96.58°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Rock Island weather today
Overcast and 82°F in Rock Island, TX. Today's high is 94°F with a 9% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 53%, pressure is 30.02 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Rock Island
Sunrise is at 07:16 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Overcast with a high near 95°F and a low near 73°F. The maximum rain chance is 10%.