React - Weather Script

import * as React from 'react';
import {finalURL} from './UserInput';

export default class Weather extends React.Component<{}> {
    constructor(props) {
        super(props);
    
        this.state = {
          hits: [],
        };
      }
    
    componentDidMount() {
        fetch(finalURL)
            .then(response => response.json())
            .then(data => this.setState({ hits: data.hits }));
    }

    render() {
        const { hits } = this.state;
        
        return (
        <ul>
            {hits.map(hit => (
                <div>
                    <p>City: {hit.main}</p>
                </div>
            ))}
        </ul>
        );
    }
}

Line 20 - Type 'Readonly<{}>' has no property 'hits' and no string index signature.