Denver Heat Index Today
Updated planning preview · 5:00 PM forecast from WeatherAPI
Heat index
88°F
Moderate
Use normal heat precautions and take breaks.
Temperature
92°F
Humidity
17%
Estimated WBGT
23.9°C
UV index
2.5
Best outdoor window
7:00 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 |
|---|---|---|---|---|---|
| 5 PM | 92°F | 88°F | 23.9°C | 2.5 | Moderate |
| 7 PM | 88°F | 85°F | 23.2°C | 0.2 | Moderate |
| 8 AM | 77°F | 77°F | 19.5°C | 0.9 | Low |
| 10 AM | 87°F | 83°F | 22.1°C | 4.9 | Moderate |
| 12 PM | 95°F | 91°F | 24.0°C | 9.4 | High |
| 2 PM | 98°F | 95°F | 24.6°C | 9.3 | High |
| 4 PM | 98°F | 96°F | 25.0°C | 4.8 | High |
| 6 PM | 88°F | 85°F | 23.3°C | 0.7 | Moderate |
Today's outlook
In Denver, the highest modeled heat burden in this preview occurs around 4:00 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 89°F
92° / 72°
ModerateFriday
Heat index up to 96°F
98° / 74°
HighSaturday
Heat index up to 97°F
99° / 65°
HighToday in Denver
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
96°F at 4:00 PM
The preview low is 77°F around 8:00 AM.
Feels-like difference
4°F below air temp
Current humidity is 17%, one input that changes evaporative cooling.
Peak UV
9.4 at 12:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
7°F hotter tomorrow
Today's forecast range is 72–92°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.
Keep planning
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