Dallas Heat Index Today
Updated planning preview · 6:00 PM forecast from WeatherAPI
Heat index
110°F
Very high
Reschedule strenuous activity when possible.
Temperature
106°F
Humidity
24%
Estimated WBGT
31.7°C
UV index
1.4
Best outdoor window
8:00 PM–10:00 AM
Lowest combined heat and UV load in the available hourly preview.
Hourly heat risk
WBGT values are labeled as modeled estimates until a provider supplies measured readings.
| Time | Temperature | Heat index | Estimated WBGT | UV | Risk |
|---|---|---|---|---|---|
| 6 PM | 106°F | 110°F | 31.7°C | 1.4 | Very high |
| 8 PM | 98°F | 99°F | 28.6°C | 0.0 | High |
| 8 AM | 87°F | 89°F | 26.3°C | 0.4 | Moderate |
| 10 AM | 94°F | 94°F | 27.2°C | 3.5 | High |
| 12 PM | 102°F | 102°F | 29.2°C | 8.5 | High |
| 2 PM | 107°F | 109°F | 30.6°C | 10.0 | Very high |
| 4 PM | 109°F | 112°F | 30.8°C | 6.0 | Very high |
| 6 PM | 108°F | 110°F | 30.4°C | 1.4 | Very high |
Today's outlook
In Dallas, the highest modeled heat burden in this preview occurs around 6:00 PM. The recommended window is selected from the lowest combined risk score, temperature, and UV—not from generic city copy.
Three-day forecast
Thursday
Heat index up to 119°F
110° / 83°
Very highFriday
Heat index up to 112°F
109° / 84°
Very highSaturday
Heat index up to 110°F
108° / 84°
Very highToday in Dallas
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
112°F at 4:00 PM
The preview low is 89°F around 8:00 AM.
Feels-like difference
4°F above air temp
Current humidity is 24%, one input that changes evaporative cooling.
Peak UV
10.0 at 2:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
7°F cooler tomorrow
Today's forecast range is 83–110°F.
Where these numbers come from
WeatherAPI supplies the forecast. HeatGuard calculates heat-index risk and models WBGT from forecast temperature, humidity and a daytime solar allowance. Modeled WBGT is not an on-site globe-thermometer reading.
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