Tomorrow's Weather Forecast - Dallas

Tomorrow's weather in Dallas. high 38°C (100°F), low 26°C (79°F). Overcast.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. A warm, sunny day is expected, with rain chances staying low throughout. Humidity sits at a moderate 56%, so the air shouldn't feel unusually damp or dry. A light breeze near 19 km/h is expected. Sunrise is at 7:08 AM and sunset at 7:38 PM, for about 12h 30m of daylight.

Tomorrow
38°/ 26°
Today38° / 26°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon29°
Rain probability
11%
Wind speed
13 km/h
AfternoonNoon – 6 PM37°
Rain probability
9%
Wind speed
18 km/h
Evening6 PM – Midn33°
Rain probability
6%
Wind speed
19 km/h
NightMidn – 6 AM28°
Rain probability
7%
Wind speed
7 km/h

24-Hour Rain & Temperature Forecast

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Temperature · peaks at +38°C

Planning Advice for Tomorrow

Clothing
Light, breathable clothing. Apply sunscreen if outdoors.
Outdoor
Great for outdoor activities. Stay hydrated and seek shade.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:38 AM
Total Daylight
Full day forecastSolar noon 1:23 PM
Sunset
Dusk 8:08 PM
vs today-2 min daylight
Sunrise shift1 min later
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Dallas is forecast to reach a high of 38°C tomorrow, with an overnight low around 26°C. That's 5° above the long-term average high of 33°C for this time of year. It continues a recent pattern — 20 of the last 20 days with published data have run warmer than normal. Expect little chance of rain (11% probability) and a gentle breeze averaging 19 km/h. Air quality is currently good (AQI 45), with no notable outdoor health concerns.

Today vs Normal

38°C+5° above normal

The long-term average high for today is 33°C.

20 of the last 20 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 41°C41°2026-08-20: 42°C42°2026-08-21: 41°C41°2026-08-22: 42°C42°2026-08-23: 43°C43°2026-08-24: 43°C43°2026-08-25: 40°C40°2026-08-26: 40°C40°2026-08-27: 39°C39°2026-08-28: 40°C40°2026-08-29: 40°C40°2026-08-30: 40°C40°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.