HistoriWeather

HistoriWeather is a simple web app which lets you easily browse historical weather data and archives anywhere in the world.

How to Run

1. Install dependencies

Make sure you have Python 3

pip install flask flask-cors requests

2. Run Backend

python app.py

You should see:

Running on http://127.0.0.1:5000/

3. Open the app in your browser

http://127.0.0.1:5000/

Features

Easily look up hourly temperature data

Just enter:

• Latitude
• Longitude
• Date

and the app fetches real data from the Open-Meteo Archive API, then displays an interactive line chart and a scrollable data table

It’s lightweight, fast, and requires no API keys.

Future features/ideas:

• Multi-day Charts
• More products: precipitation, wind, humidity, etc.
• Location by City Name/Map
• Export CSV/other data types
• Selectable Weather API Provider (NOAA, Copernicus/ERA5, etc)

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Tech Stack

Backend

• Python 3
• Flask — serves the app + API route
• Requests — calls Open-Meteo API
• Flask-CORS — allows frontend requests

Frontend

• HTML + TailwindCSS
• Chart.js — charts hourly temperatures

Data Source

• Open-Meteo Archive API - A Free API with no key required. Has global coverage and