Atlanta Heat Index Today
Updated planning preview · 7:00 PM forecast from WeatherAPI
Heat index
99°F
High
Reduce prolonged exertion and plan extra recovery.
Temperature
95°F
Humidity
35%
Estimated WBGT
28.9°C
UV index
0.4
Best outdoor window
8:00 AM–12:00 PM
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 |
|---|---|---|---|---|---|
| 7 PM | 95°F | 99°F | 28.9°C | 0.4 | High |
| 8 AM | 73°F | 77°F | 22.5°C | 0.3 | Low |
| 10 AM | 75°F | 78°F | 23.3°C | 2.4 | Low |
| 12 PM | 75°F | 78°F | 23.0°C | 2.4 | Low |
| 2 PM | 84°F | 86°F | 25.4°C | 5.1 | Moderate |
| 4 PM | 90°F | 91°F | 26.8°C | 6.1 | High |
| 6 PM | 90°F | 90°F | 26.2°C | 1.6 | High |
| 8 PM | 85°F | 86°F | 25.0°C | 0.0 | Moderate |
Today's outlook
In Atlanta, 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 114°F
101° / 72°
Very highFriday
Heat index up to 92°F
91° / 73°
HighSaturday
Heat index up to 92°F
94° / 73°
HighToday in Atlanta
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
99°F at 7:00 PM
The preview low is 77°F around 8:00 AM.
Feels-like difference
3°F above air temp
Current humidity is 35%, one input that changes evaporative cooling.
Peak UV
6.1 at 4:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
22°F cooler tomorrow
Today's forecast range is 72–101°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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