Daily Weather Brief for December 21, 2025 – Houston

Today's Houston weather brings mild temperatures, dense cloud cover, and light winds. Residents across Houston can expect a calm but gray day as overcast skies linger from morning through night. This Daily Weather Brief keeps you updated with everything you need to plan your Monday, from temperature trends to air quality and wind conditions.

Today's Forecast Overview

Clouds dominate the sky today, as forecasters expect 100% cloud coverage. While the day stays dry, sunshine remains limited. Morning temperatures hover near 70.9°F and reach a comfortable afternoon high of about 74.5°F. These temperatures sit slightly above seasonal norms for late December. Evening readings cool to around 69.1°F, with overnight lows bottoming out near 69.1–71.2°F.

Because winds stay light, the day should feel stable and calm. Sustained winds around 7.9 mph arrive from the south-southwest, while occasional gusts may reach up to 25 mph. Even so, hazardous wind conditions are not expected.

Air Quality and Visibility

Air quality stays in a healthy range today, thanks to low pollutant levels and steady air movement. Visibility should remain stable despite cloud cover. Those with respiratory sensitivities can enjoy outdoor activities without major concern.

What Houston Residents Should Know

While skies stay gray, conditions remain comfortable across Houston. Because temperatures stay mild and no rain is forecast, residents can plan for a typical winter day without weather-related disruptions. Roads should remain dry and travel-friendly.

• No rainfall expected throughout the day.
• Comfortable afternoon temperatures near the mid-70s.
• Light winds with occasional moderate gusts.
• Stable evening and overnight conditions.

If you plan to be outdoors, consider layers. Clouds may keep the day feeling cooler than the temperature suggests. Although no severe weather threatens the region, overcast skies may limit visibility during early commutes.

Looking Ahead

As the week continues, meteorologists will watch for shifts in humidity and any hints of incoming Gulf moisture. While the short-term outlook remains quiet, winter systems sometimes change quickly. Therefore, it is helpful to stay updated.

At this time, no cold fronts, storms, or severe weather signals appear in the near-term models. Temperatures should stay mild heading into midweek. You can monitor updates anytime at Houston.com Weather.

Conclusion

Today brings calm, cloudy, and mild conditions to the Houston region. With no rain and comfortable temperatures, it is a good day for errands, outdoor walks, or holiday shopping. Stay tuned for more daily updates right here on Houston.com.