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NWS Weather Station Observations — Resolution-Grade Daily Highs

Official NWS/NOAA station observations — the exact same station data Weather Underground displays — with daily highs/lows computed on local calendar dates, not UTC. If you settle anything against "the high temperature in NYC today" (prediction markets, weather derivatives, parametric triggers), UTC-bucketed daily data is wrong twice a day. This actor does the timezone math correctly.

Why this one

• Same source as Weather Underground — WU displays NWS METAR station data; this fetches it from the authoritative api.weather.gov feed directly
• Local-date daily highs — observations are bucketed midnight-to-midnight in the station's own timezone (DST-aware)
• City aliases — nyc → KLGA, los angeles → KLAX, seattle → KSEA... the exact stations weather markets typically specify
• Raw observations available — full temperature/wind/pressure/humidity series when you need more than highs

Output example

{
"type":"daily_summary",
"station":"KLAX",
"date":"2026-06-11",
"maxTempF":78.8,
"minTempF":62.1,
"maxTempC":26.0,
"minTempC":16.7,
"observations":28,
"timezoneOffsetHours":-7
}

Use cases

• Prediction market resolution — settle weather markets against the same station WU shows
• Energy & demand modeling — accurate daily extremes for load forecasting
• Parametric insurance / weather derivatives — settlement-grade station data
• Climate datasets — clean daily series for any US station

Input

{
"stations":["KLAX","nyc","KORD"],
"startDate":"2026-06-01",
"endDate":"2026-06-11",
"dailySummary":true,
"rawObservations":false
}

Run via API

curl-s"https://api.apify.com/v2/acts/<username>~nws-station-weather/run-sync-get-dataset-items?token=$APIFY_TOKEN"\
-X POST -H'Content-Type: application/json'\
-d'{"stations": ["KLAX"], "startDate": "2026-06-10"}'

FAQ

International stations? This actor covers US NWS stations. International METAR support is on the roadmap.

How fresh is today's high? Observations update roughly hourly; today's max is a running max until the local day ends.