Setting the interval in the WeatherApp component to constantly pull weather data.

WeatherAppSetInterval.js

class WeatherApp extends Rect.Component {
  updateInterval;
  
  componentDidMount() {
    this.updateInterval = setInterval(() => {
      this.props.getWeatherData();
    }, 1000 * 30); // 30 seconds
  }
  
  componentWillUnmount() {
    clearInterval(updateInterval);
  }

  render() {
    return (
      <div>
        {this.props.weatherData}
      </div>
    );
  }
}