The accumulated heat has been noticeable, and this past San Juan night was even hotter than previous ones in many places. For instance, in Zarautz, the thermometer did not drop below 30.4 degrees throughout the night, which is the minimum recorded in this locality by the corresponding meteorological station of Euskalmet. This is almost nine degrees higher than the minimum temperature on Monday, when the thermometer fell to 21.4 degrees.
The station at Jaizkibel, which recorded the highest minimum of the entire network on Tuesday, remained just a few tenths of a degree from exceeding 30 degrees again, with the minimum settling around 29.3 degrees.
Similar high minimum temperatures accompanied the San Juan night in other locations: 27.3 degrees in Bidania, a similar temperature at the cabo de Higer in Hondarribia, and slightly milder, but not by much, in Zegama, with 26.9 degrees.
On the cooler side, the lowest temperature recorded last night was in the vicinity of Añarbe, at 16.4 degrees.
On Monday, Zegama already registered the highest minimum temperature at 27 degrees, and this nocturnal heat has been very persistent in inland areas like Zegama and Bidania, while coastal stations such as Zarautz and Jaizkibel experienced their most extreme nights on Tuesday and this Wednesday.
Gipuzkoa is suffocating under a third consecutive day of red alert, with temperatures expected to approach 40 degrees again in inland areas. However, the longed-for thermal relief is expected tomorrow afternoon with a sharp change in wind.
This Wednesday will go down in the records as one of the most torrid days of the year in our territory. The Department of Security has reactivated the red alert for extreme temperatures between 12:00 PM and 8:00 PM. The mercury threatens to reach and even exceed the 40-degree barrier in inland regions like Goierri or Tolosaldea, while on the coast of Donostia, the thermometer will hover around a suffocating 36 degrees.
Due to the effect of the south wind, the orange alert and yellow warning for forest fire risk remain active.
Tomorrow, Thursday, we will continue to sweat, although it will mark the beginning of the end of this heat episode. Euskalmet will maintain the yellow alert during the central hours and the orange alert for the persistence of heat. Temperatures are expected to reach 32 degrees on the coast and 35 degrees inland.
However, the anticipated news will arrive from the afternoon onwards when the wind will abruptly shift to the northwest. This change will bring cloudiness, the risk of stormy showers, and the beginning of a thermal drop that will sweep away the hot air.
On Friday, we will breathe again. With no alerts active on the map, temperatures will return to much more pleasant values, staying around a maximum of 31 degrees.
But the definitive contrast will be experienced during the weekend. The traditional northern flow will settle over Gipuzkoa, returning us to our more usual landscape: cloudy skies, light rain—especially towards Sunday—and maximum temperatures that will barely exceed 23 degrees. A sharp drop that will take us from extreme heat to needing to retrieve our jackets in just three days.
