I-45 Weather

I-45 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the I-45 corridor. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.

I-45 Weather Summary

Expect warm and mostly clear conditions along I-45 in Texas with temperatures reaching into the mid-90s and heat index values over 100°F in some areas. Winds will generally be light to moderate, with gusts exceeding 20 mph briefly in the Galveston area. No precipitation or hazardous weather is forecasted during this period.

Weather timed to your arrival at every point along the route.

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Lighter shade = chance, darker = definite. Orange ring = possible ice.

I-45 Texas Weather for 7 a.m. to 5 p.m. local time

  • Warm temperatures with highs near 94°F and heat index values over 100°F in India, TX around midday.
  • Gusty winds over 20 mph expected in Galveston from 12 p.m. to 3 p.m.
  • Clear skies dominate most of the route, especially in New Waverly and India, TX.
  • Overall dry conditions with no rain or storms forecasted along the route.