Microproduct Data GuideBeginner

Open-Meteo Weather Forecast

Hourly point weather forecasts from Open-Meteo for planning location-specific conditions panels, subject to noncommercial free API terms.

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At a Glance

Difficulty
Beginner — comfortable for a first prototype
Size
Tiny · ≤0.01 GB
Formats
JSON
Access
API
API Key
Not Required
Provider
Open-Meteo
Updates
Continuous
Last Verified
Sep 28, 2026
Source Type
Company Source
Data Terms
Free API is for noncommercial use only, with CC BY 4.0 attribution and rate limits.
Setup Friction
Low Setup Friction
Setup Time
5 min
Registration
Not Required
Rate Limits
Free noncommercial API permits fewer than 10000 calls per day.
  • Python Syntax Checked
  • Runnable Notebook

From Source to Product Signal

Test a Product Idea in Four Steps

The free Open-Meteo weather endpoint permits noncommercial use only; commercial services need separate paid access. Start with one point and one forecast day. Model output is not a local observation or official weather warning.

1

Check the Setup

  • Python 3.10 or newer
  • An internet connection
  • The requests Python package
2

Access the Data

  1. 1.Read the free API noncommercial terms and attribution requirements.
  2. 2.Choose one coordinate and limit the forecast to one day.
  3. 3.Compare the hourly timestamps with the location's time zone before display.
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3

Run the Python Example

Install the packages, then run the notebook cell.

python -m pip install requests

import requests

response = requests.get(
    "https://api.open-meteo.com/v1/forecast",
    params={"latitude": 52.52, "longitude": 13.41,
            "hourly": "temperature_2m", "forecast_days": 1},
    timeout=30,
)
response.raise_for_status()
hourly = response.json()["hourly"]
print(list(zip(hourly["time"], hourly["temperature_2m"]))[:5])
4

Test a Useful Signal

Inspect a One-Day Weather Forecast

Check whether hourly temperatures support a noncommercial local conditions card.

  1. 01Keep the returned units and forecast timestamps with each value.
  2. 02Display five hourly temperatures for the selected point.
  3. 03Explain the noncommercial API limit and why a forecast is not an official warning.

Related Datasets

Dataset Details

Open-Meteo is a company source. Last verified 2026-09-28. Temporal coverage: current hourly forecasts.

Geography

Global

Formats

JSON

Provider

Open-Meteo

Data Terms

Free API is for noncommercial use only, with CC BY 4.0 attribution and rate limits.

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