Jackson Heat Index Today
Updated planning preview · 6:00 PM forecast from WeatherAPI
Heat index
113°F
Very high
Reschedule strenuous activity when possible.
Temperature
102°F
Humidity
37%
Estimated WBGT
32.3°C
UV index
0.2
Best outdoor window
7:00 AM–11:00 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 |
|---|---|---|---|---|---|
| 6 PM | 102°F | 113°F | 32.3°C | 0.2 | Very high |
| 7 AM | 74°F | 78°F | 23.8°C | 0.1 | Low |
| 9 AM | 80°F | 84°F | 25.9°C | 2.1 | Moderate |
| 11 AM | 90°F | 98°F | 29.1°C | 6.9 | High |
| 1 PM | 96°F | 103°F | 30.2°C | 9.3 | Very high |
| 3 PM | 99°F | 106°F | 30.9°C | 6.8 | Very high |
| 5 PM | 100°F | 106°F | 30.8°C | 2.3 | Very high |
| 7 PM | 95°F | 101°F | 29.7°C | 0.1 | High |
Today's outlook
In Jackson, 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 123°F
105° / 79°
Very highFriday
Heat index up to 107°F
100° / 74°
Very highSaturday
Heat index up to 103°F
101° / 73°
HighToday in Jackson
What changes across the day
Based on the available hourly WeatherAPI forecast
Peak heat index
113°F at 6:00 PM
The preview low is 78°F around 7:00 AM.
Feels-like difference
11°F above air temp
Current humidity is 37%, one input that changes evaporative cooling.
Peak UV
9.3 at 1:00 PM
UV and heat are separate hazards; the lowest-heat hour may still need sun protection.
Tomorrow's direction
16°F cooler tomorrow
Today's forecast range is 79–105°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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