Fresno WBGT Today — Wet Bulb Globe Temperature
Updated planning preview · 5:00 PM forecast from WeatherAPI
Estimated WBGT
26.1°C
High
Shorten hard efforts and increase recovery time.
Temperature
101°F
Humidity
11%
Heat index
100°F
UV index
0.9
Best outdoor window
7:00 AM–11:00 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 |
|---|---|---|---|---|---|
| 5 PM | 101°F | 100°F | 26.1°C | 0.9 | High |
| 7 AM | 78°F | 77°F | 19.5°C | 0.0 | Low |
| 9 AM | 82°F | 79°F | 21.0°C | 1.0 | Low |
| 11 AM | 90°F | 86°F | 23.7°C | 4.3 | Moderate |
| 1 PM | 97°F | 95°F | 25.8°C | 6.3 | High |
| 3 PM | 100°F | 98°F | 26.8°C | 4.1 | High |
| 5 PM | 101°F | 99°F | 26.7°C | 0.9 | High |
| 7 AM | 78°F | 77°F | 19.6°C | 0.0 | Low |
Today's outlook
In Fresno, 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
Sunday
Heat index up to 101°F
102°F / 77°F
HighMonday
Heat index up to 99°F
101°F / 78°F
HighTuesday
Heat index up to 100°F
102°F / 78°F
HighToday in Fresno
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
100°F at 5:00 PM
The preview low is 77°F around 7:00 AM.
Feels-like difference
1°F below air temp
Current humidity is 11%, one input that changes evaporative cooling.
Peak UV
6.3 at 1:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
2°F cooler tomorrow
Today's forecast range is 77°F–102°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.
Local planning context
Planning for heat in Fresno, CA
Fresno conditions can vary with marine influence, elevation, cloud cover and distance from the coast. Use this city forecast as a planning reference and check a more local official forecast when the activity takes place in a different microclimate.
Forecasts describe outdoor conditions, not an individual's medical risk. Workload, duration, shade, clothing, acclimatization and health can change the appropriate decision.
Nearby forecasts
Keep planning
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