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Sun Apr 06 2025 17:53:15 GMT+0000 (Coordinated Universal Time)

Saved by @exam3

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
</head>
<body>
  <h3>Temperature Forecast Chart</h3>
  <input id="city" placeholder="Enter city">
  <button onclick="drawChart()">Get Forecast</button>
  <canvas id="tempChart" width="400" height="200"></canvas>

  <script>
    async function drawChart() {
      const city = document.getElementById("city").value;
      const key = "36f9af4e269fe80b4cda0e7e8af0809d"; // Replace with your OpenWeatherMap API key
      const res = await fetch(`https://api.openweathermap.org/data/2.5/forecast?q=${city}&appid=${key}&units=metric`);
      const data = await res.json();

      const labels = [];
      const temps = [];

      data.list.forEach((item, i) => {
        if (i % 8 === 0) { // every 24 hours (8 x 3-hour slots)
          labels.push(item.dt_txt.split(" ")[0]);
          temps.push(item.main.temp);
        }
      });

      new Chart(document.getElementById("tempChart"), {
        type: 'bar',
        data: {
          labels: labels,
          datasets: [{
            label: 'Temperature (°C)',
            data: temps,
            backgroundColor: 'rgba(54, 162, 235, 0.6)'
          }]
        },
        options: {
          scales: {
            y: {
              beginAtZero: true
            }
          }
        }
      });
    }
  </script>
</body>
</html>

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