Cool or hot today?

Instantly see how today feels compared to yesterday — and get alerts when the weather shifts. ChatGPT now gives you a friendly weather comment every day!

Instantly understand temperature and pressure trends!

COOLorHOT is a simple, easy-to-use weather app that visualizes changes in how the weather feels. Compare “feels-like” temperatures and air pressure trends at a glance — and get alerts when big shifts happen.

Perfect for managing your comfort, health, and daily plans.

【Feels Like Temperature】 • Compare today’s feels-like temperature to yesterday’s • Preview tomorrow’s feels-like temperature compared to today • Use Custom mode to compare different cities or dates • Get alerts when there’s a large temperature swing • Tap the graph to toggle between absolute values (line chart) and differences (bar chart) • Summary table shows 3-day trends: max, min, and daily range

【Air Pressure】 • View 3-day air pressure changes (yesterday, today, tomorrow) • Alerts notify you of sudden pressure drops or rises

【Cities】 • Search by name or tap the location icon to add cities • Tap a city name to view it on the map • Switch between cities using the tab numbers or tab bar

【Settings】 • Switch between Celsius (°C) and Fahrenheit (°F) • Choose between dark mode and light mode

【Widget Support】 • Includes Feels Like and Air Pressure widgets • Tap a widget to open the app and see details • The default city is the first one registered in your list • Long-press the widget and tap “Edit” to change the city

【Shortcuts Support】 • Use the Shortcuts app to check alerts for feels-like temperature and pressure trends • Set it up for any city and date you choose

Data source: Powered by Visual Crossing: https://www.visualcrossing.com