New York Heat Index Today
Updated planning preview · 7:00 PM forecast from WeatherAPI
Heat index
79°F
Low
Routine outdoor plans are generally reasonable.
Temperature
75°F
Humidity
90%
Estimated WBGT
24.7°C
UV index
0.0
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 |
|---|---|---|---|---|---|
| 7 PM | 75°F | 79°F | 24.7°C | 0.0 | Low |
| 8 AM | 68°F | 68°F | 18.3°C | 0.8 | Low |
| 10 AM | 73°F | 76°F | 19.9°C | 4.0 | Low |
| 12 PM | 78°F | 79°F | 21.9°C | 7.4 | Low |
| 2 PM | 82°F | 82°F | 23.3°C | 7.3 | Moderate |
| 4 PM | 83°F | 82°F | 23.6°C | 3.5 | Moderate |
| 6 PM | 81°F | 81°F | 23.2°C | 0.6 | Moderate |
| 7 AM | 72°F | 76°F | 21.0°C | 0.1 | Low |
Today's outlook
In New York, 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 92°F
87° / 69°
HighFriday
Heat index up to 82°F
83° / 66°
ModerateSaturday
Heat index up to 80°F
78° / 67°
ModerateToday in New York
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
82°F at 4:00 PM
The preview low is 68°F around 8:00 AM.
Feels-like difference
4°F above air temp
Current humidity is 90%, one input that changes evaporative cooling.
Peak UV
7.4 at 12:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
10°F cooler tomorrow
Today's forecast range is 69–87°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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