Raleigh Heat Index Today
Updated planning preview · 7:00 PM forecast from WeatherAPI
Heat index
100°F
High
Reduce prolonged exertion and plan extra recovery.
Temperature
95°F
Humidity
38%
Estimated WBGT
29.1°C
UV index
0.1
Best outdoor window
4:00 PM–7:00 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 |
|---|---|---|---|---|---|
| 7 PM | 95°F | 100°F | 29.1°C | 0.1 | High |
| 8 AM | 73°F | 77°F | 23.7°C | 0.3 | Low |
| 10 AM | 76°F | 80°F | 25.0°C | 3.2 | Moderate |
| 12 PM | 84°F | 88°F | 26.7°C | 7.3 | Moderate |
| 2 PM | 89°F | 94°F | 28.0°C | 7.8 | High |
| 4 PM | 83°F | 91°F | 27.8°C | 1.8 | High |
| 6 PM | 79°F | 84°F | 26.1°C | 0.9 | Moderate |
| 7 AM | 70°F | 76°F | 22.8°C | 0.0 | Low |
Today's outlook
In Raleigh, 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 111°F
103° / 71°
Very highFriday
Heat index up to 94°F
89° / 69°
HighSaturday
Heat index up to 94°F
90° / 70°
HighToday in Raleigh
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
100°F at 7:00 PM
The preview low is 76°F around 7:00 AM.
Feels-like difference
5°F above air temp
Current humidity is 38%, one input that changes evaporative cooling.
Peak UV
7.8 at 2:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
17°F cooler tomorrow
Today's forecast range is 71–103°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
Track Raleigh in HeatGuard
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