WetBulb-Guard

Know when outdoor heat deserves extra caution. WetBulb-Guard turns temperature and humidity into a clear, easy-to-read heat-risk check. See an estimated wet-bulb temperature, heat index, and the lower-risk hours ahead before you head out. PLAN OUTDOOR TIME • Check current heat risk for your location or any city • Compare the next 12 hours to find a cooler window • Choose an activity type for practical, general planning guidance SEE THE NUMBERS THAT MATTER • Temperature and relative humidity • Heat index • Estimated wet-bulb temperature • Clear data time and stale-data status STAY IN CONTROL • Optional alerts when your chosen risk level is forecast • Use your location or search for a city • No account, ads, subscription, or in-app purchases Important: WetBulb-Guard provides general weather information and estimates for personal planning. It does not measure on-site WBGT, replace an employer heat-safety plan, provide medical advice, or determine whether conditions are safe for any activity. Check local conditions and seek professional or emergency help when needed.