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Jacksonville WBGT Today — Wet Bulb Globe Temperature

Updated planning preview · 7:00 PM forecast from WeatherAPI

Extreme

Estimated WBGT

30.0°C

Extreme

Stop or relocate strenuous activity unless a qualified protocol says otherwise.

Temperature

92°F

Humidity

55%

Heat index

102°F

UV index

0.1

Best outdoor window

7:00 PM9:00 AM

Lowest combined heat and UV load in the available hourly preview.

LowModerateHighVery highExtreme

Hourly WBGT

WBGT values are labeled as modeled estimates until a provider supplies measured readings.

TimeTemperatureHeat indexEstimated WBGTUVRisk
7 PM92°F102°F30.0°C0.1High
7 AM78°F81°F25.1°C0.0Moderate
9 AM81°F85°F26.0°C0.8Moderate
11 AM90°F95°F28.1°C5.3High
1 PM96°F101°F29.6°C8.4High
3 PM96°F100°F29.3°C6.5High
5 PM90°F94°F27.9°C1.1High
7 PM82°F86°F26.2°C0.2Moderate

Today's outlook

In Jacksonville, 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 121°F

100° / 75°

Very high

Friday

Heat index up to 103°F

98° / 77°

High

Saturday

Heat index up to 102°F

95° / 76°

High

Today in Jacksonville

What changes across the day

Based on the available hourly WeatherAPI forecast

Peak heat index

102°F at 7:00 PM

The preview low is 81°F around 7:00 AM.

Feels-like difference

10°F above air temp

Current humidity is 55%, one input that changes evaporative cooling.

Peak UV

8.4 at 1:00 PM

UV and heat are separate hazards; the lowest-heat hour may still need sun protection.

Tomorrow's direction

19°F cooler tomorrow

Today's forecast range is 75–100°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.

Read the methodology →

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