Canada Climate Observations

Official Environment Canada climate station observations near any postal code — daily temperatures, precipitation and multi-station compares for your AI agent.

For agriculture, energy, insurance, construction and climate-risk teams. Free: nearest station + last 3 days. Pro: 90-day history and station compares.

Tools

• nearest_station (free) — FREE. Nearest Environment Canada climate station to a Canadian postal code, with the last 3 daily observations (max/min/precip).
• daily_history (Pro) — PRO. Up to 90 days of daily max/min/mean temperature and precipitation for a climate station id.
• compare_stations (Pro) — PRO. Last 7 days of observations for up to 5 climate stations (pass station ids from nearest_station).

Live free example

nearest_station {"postal_code":"M5V"}

{
  "postal_area": "M5V",
  "place": "Downtown Toronto, ON",
  "station": {
    "id": "615HHDF",
    "name": "TORONTO YORK MILLS",
    "province": "ON",
    "lat": 43.75,
    "lon": -79.38333333333334,
    "km_away": 10.9
  },
  "last_3": [
    {
      "date": "2026-10-14",
      "max_c": null,
      "min_c": null,
      "mean_c": null,
      "precip_mm": null,
      "rain_mm": null,
      "snow_cm": null,
      "snow_on_ground_cm": null
    },
    {
      "date": "2026-10-13",
      "max_c": null,
      "min_c": null,
      "mean_c": null,
      "precip_mm": null,
      "rain_mm": null,
      "snow_cm": null,
      "snow_on_ground_cm": null
    },
    {
      "date": "2026-10-12",
      "max_c": null,
      "min_c": null,
      "mean_c": null,
      "precip_mm": null,
      "rain_mm": null,
      "snow_cm": null,
      "snow_on_ground_cm": null
    }
  ],
  "pro": "Up to 90 days of daily observations, multi-station compare, precip/degree-day summaries: https://ca-climate-normals-mcp.donniertf.workers.dev/buy",
  "disclaimer": "Daily climate observations from Environment and Climate Change Canada climate stations (MSC GeoMet API). Station data may lag; treat recent days as provisional."
}

Connect (MCP)

Add https://ca-climate-normals-mcp.donniertf.workers.dev/mcp to Claude, Cursor or any MCP client (Streamable HTTP, no login for the free tier). Subscribers pass access_token or Authorization: Bearer.

Important

Daily climate observations from Environment and Climate Change Canada climate stations (MSC GeoMet API). Station data may lag; treat recent days as provisional.

Data sources & licences

• Environment and Climate Change Canada climate stations & daily data via MSC GeoMet OGC API (Open Government Licence – Canada)
• Zippopotam.us postal area geocoding

For AI agents

llms.txt · server card · pricing.json · POST /checkout → checkout URL · GET /token?session_id= → access token.

More Canada data MCPs

Save with Canada bundles: ca-mcp-bundles · GitHub hub.

Contact & cancelling

Questions, refunds or cancelling: dmorrisonwebdesign@gmail.com. Run by Donnie Morrison, UK. Payments by Stripe; we never see card details.