A clearer look at what happened.

Your location. A recent local day.

Enter a U.S. ZIP, supported full Canadian postal code, or city and state/province. Canadian city references span all provinces and territories; some postal codes and places lack verified references or nearby observations. Open Yesterday or one of the previous 30 local dates to see temperature samples, reported wind, available precipitation evidence and the observations behind the answer.

A successful result uses one suitable named reporting station within 50 km. A station reading is not a citywide average, a measurement at your home or a guarantee that it is the nearest instrument. The tool shows the station and its distance from your selected locality reference point. Not every recognized place has suitable nearby observations.

See how the ZIP code and city weather lookup chooses a place, local date and station.

The record stays visible.

YesterSky uses U.S. and Canadian METAR observations published by NOAA’s Aviation Weather Center. No forecast or modeled values are used. Recent reports remain provisional: they can arrive late, be corrected or be absent.

Lowest and highest sampled temperatures are not official daily extremes. Decoded gusts exclude peak-wind remarks. Available precipitation periods can overlap or cross local midnight, so the pilot does not offer a local-day precipitation total.

Where records qualify, a visible Nearby water summary follows the temperature graph. It uses a single NOAA CO-OPS or NDBC station for the same selected day, with the station, source and distance shown.

Read the source and calculation methodology for the details behind those limits.

Simple to try. Easy to question.

No account, subscription or payment is required. Ads are disabled. The pilot does not offer forecasts, certified weather records, reports for legal use or property-level address search.

Found an unclear label or an unexpected gap? Send the station, local date and result link to engineering@sparkandspoolco.com. This is the project’s established public engineering contact; there is no contact form.