Hayward Exec
Weather station · 37.7°N 122.1°W · 9 m above sea level
18.3°C short of the record for 23 September
Today’s high 16.7°C against 35.0°C in 2025. A reading that beats it is flagged here automatically, once a second cycle confirms it.
- Date
- Saturday, 2 September 2017
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Hayward Exec, United States
- Position
- 37.66°N 122.12°W · 9 m
Highest highest in available records since 1998. Source: NOAA GHCN-Daily.
- Date
- Wednesday, 23 December 1998
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Hayward Exec, United States
- Position
- 37.66°N 122.12°W · 9 m
Highest and lowest lowest in available records since 1998. Source: NOAA GHCN-Daily.
Where Hayward Exec is
37.66°N 122.12°W










Every year on record
1998 to 2026
Annual average · °C
Trend over 27 years with data: +0.72 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 16.7°C | 00:54 UTC | 14.4°C | 04:54 UTC |
| 2026-09-22 | 19.4°C | 21:54 UTC | 15.6°C | 14:54 UTC |
Nearby stations
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1998 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |


















