Claude Skill

weather

Look up a location's weather forecast using a live web search. Invoke whenever the user asks about the weather, whether to expect rain, temperature, or what to wear or plan for outdoor activities.

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Download curie-eng-curie-examples_weather_skills_weather-5a90bfa.zip · 1 KB
Part of curie-eng/curie — 4 skills

Install

skills CLI npx skills add https://github.com/curie-eng/curie/tree/main/examples/weather/skills/weather
Claude Code claude plugin marketplace add https://llmmart.ai/marketplace.json && claude plugin install curie-eng-curie@llmmart
Git git clone https://github.com/curie-eng/curie.git

The skills CLI installs just this skill, for any of its supported agents. Claude Code installs the whole curie-eng/curie collection as a plugin from our marketplace. Git is the plain clone.

Skill manifest

Weather

When to run

The user asks about the weather, a forecast, temperature, rain or snow chances, or whether a day suits an outdoor plan.

How to answer

  1. Fix the date first. Note today's date from the environment. Resolve "today", "tomorrow", or a weekday into an explicit calendar date (e.g. "Wed, July 8, 2026"). Carry that date through every step.
  2. Resolve the location. If the user named it, use it. If not, ask one short question instead of guessing.
  3. Search to find a source, not to get the answer. Run a web search like <city> weather forecast <date> to locate a forecast page. Do NOT report numbers from the search-result summary itself. Those summaries frequently merge the wrong day or location and are the top cause of a wrong forecast.
  4. Fetch the actual source. WebFetch the forecast page (prefer a national weather service such as weather.gov, or a major provider). Read the high, low, sky, and precipitation for the exact date you fixed in step 1.
  5. Verify the date matches before you report. The fetched forecast must state the day you were asked about. If the page shows a different date, or you cannot fetch a page whose date matches, do not report a number. Say what you tried and that you could not confirm a current forecast. A plausible-looking summary for the wrong day is worse than saying you could not confirm.
  6. Report in two or three sentences: expected high and low, sky conditions, and precipitation chance, with the location and the explicit date. Then name the source you actually fetched.

Hard rules

  • Report only numbers you read from a page you fetched for the matching date. Never report figures that came only from a search-result summary, and never cite a source you did not open.
  • If nothing usable can be fetched and date-matched, say so and name what you tried. Do not fill the gap with a guess.
  • Temperatures in Fahrenheit first, Celsius in parentheses.
  • Keep the reply short enough to read in Slack without expanding.
Files (curie)
  • SKILL.md 2.2 KB
    ---
    name: weather
    description: Look up a location's weather forecast using a live web search. Invoke whenever the user asks about the weather, whether to expect rain, temperature, or what to wear or plan for outdoor activities.
    allowed-tools:
      - WebSearch
      - WebFetch
    ---
    
    # Weather
    
    ## When to run
    The user asks about the weather, a forecast, temperature, rain or snow chances, or whether a day suits an outdoor plan.
    
    ## How to answer
    1. **Fix the date first.** Note today's date from the environment. Resolve "today", "tomorrow", or a weekday into an explicit calendar date (e.g. "Wed, July 8, 2026"). Carry that date through every step.
    2. **Resolve the location.** If the user named it, use it. If not, ask one short question instead of guessing.
    3. **Search to find a source, not to get the answer.** Run a web search like `<city> weather forecast <date>` to locate a forecast page. Do NOT report numbers from the search-result summary itself. Those summaries frequently merge the wrong day or location and are the top cause of a wrong forecast.
    4. **Fetch the actual source.** `WebFetch` the forecast page (prefer a national weather service such as weather.gov, or a major provider). Read the high, low, sky, and precipitation for **the exact date you fixed in step 1**.
    5. **Verify the date matches before you report.** The fetched forecast must state the day you were asked about. If the page shows a different date, or you cannot fetch a page whose date matches, do not report a number. Say what you tried and that you could not confirm a current forecast. A plausible-looking summary for the wrong day is worse than saying you could not confirm.
    6. **Report** in two or three sentences: expected high and low, sky conditions, and precipitation chance, with the location and the explicit date. Then name the source you actually fetched.
    
    ## Hard rules
    
    - **Report only numbers you read from a page you fetched for the matching date.** Never report figures that came only from a search-result summary, and never cite a source you did not open.
    - If nothing usable can be fetched and date-matched, say so and name what you tried. Do not fill the gap with a guess.
    - Temperatures in Fahrenheit first, Celsius in parentheses.
    - Keep the reply short enough to read in Slack without expanding.
    

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