Oklahoma City Heat Index Today
Updated planning preview · 6:00 PM forecast from WeatherAPI
Heat index
107°F
Very high
Reschedule strenuous activity when possible.
Temperature
106°F
Humidity
17%
Estimated WBGT
29.8°C
UV index
0.6
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 | 107°F | 29.8°C | 0.6 | Very high |
| 8 PM | 101°F | 100°F | 28.4°C | 0.0 | High |
| 8 AM | 80°F | 82°F | 24.7°C | 0.4 | Moderate |
| 10 AM | 88°F | 87°F | 25.2°C | 3.3 | Moderate |
| 12 PM | 98°F | 96°F | 27.6°C | 7.8 | High |
| 2 PM | 103°F | 102°F | 28.6°C | 9.5 | High |
| 4 PM | 106°F | 107°F | 29.2°C | 5.8 | Very high |
| 6 PM | 107°F | 109°F | 29.0°C | 1.4 | Very high |
Today's outlook
In Oklahoma City, 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 117°F
112° / 78°
Very highFriday
Heat index up to 109°F
107° / 77°
Very highSaturday
Heat index up to 111°F
109° / 80°
Very highToday in Oklahoma City
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
109°F at 6:00 PM
The preview low is 82°F around 8:00 AM.
Feels-like difference
1°F above air temp
Current humidity is 17%, one input that changes evaporative cooling.
Peak UV
9.5 at 2:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
8°F cooler tomorrow
Today's forecast range is 78–112°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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