Houston WBGT Today — Wet Bulb Globe Temperature
Updated planning preview · 6:00 PM forecast from WeatherAPI
Estimated WBGT
26.8°C
High
Shorten hard efforts and increase recovery time.
Temperature
83°F
Humidity
68%
Heat index
88°F
UV index
1.0
Best outdoor window
6:00 PM–9:00 AM
Lowest combined heat and UV load in the available hourly preview.
Hourly WBGT
WBGT values are labeled as modeled estimates until a provider supplies measured readings.
| Time | Temperature | Heat index | Estimated WBGT | UV | Risk |
|---|---|---|---|---|---|
| 6 PM | 83°F | 88°F | 26.8°C | 1.0 | Moderate |
| 7 AM | 82°F | 89°F | 27.5°C | 0.0 | Moderate |
| 9 AM | 85°F | 93°F | 28.1°C | 1.6 | High |
| 11 AM | 93°F | 99°F | 29.3°C | 6.0 | High |
| 1 PM | 100°F | 106°F | 30.8°C | 10.0 | Very high |
| 3 PM | 105°F | 110°F | 31.5°C | 8.0 | Very high |
| 5 PM | 103°F | 109°F | 31.3°C | 2.9 | Very high |
| 7 PM | 95°F | 102°F | 29.8°C | 0.2 | High |
Today's outlook
In Houston, the highest modeled heat burden in this preview occurs around 5:00 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 119°F
101° / 76°
Very highFriday
Heat index up to 110°F
105° / 78°
Very highSaturday
Heat index up to 109°F
104° / 82°
Very highToday in Houston
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
110°F at 3:00 PM
The preview low is 88°F around 6:00 PM.
Feels-like difference
5°F above air temp
Current humidity is 68%, one input that changes evaporative cooling.
Peak UV
10.0 at 1:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
9°F cooler tomorrow
Today's forecast range is 76–101°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.
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