The Valencian Community faces a week of unusual heat for this time of year, with an episode that, according to AEMET, could leave record temperatures at the end of OctoberIn coastal areas, daytime temperatures are expected to be close to or above 30°C, with minimum temperatures not falling below 20°C in many places—a scenario more typical of late summer than mid-autumn.
The forecast places the peak between Wednesday and Thursday, when the combination of very high daytime temperatures and mild nights could mark the highest daily averages at such a late date since at least 1950. This episode is favored by a persistent anticyclone and a Mediterranean that maintains around 23 ° C on the surface, acting as a true 'heat store' that prevents night-time cooling.
Episode schedule and what to expect
The temperature will rise gradually until midweek and will reach its peak on Wednesday and Thursday, with highs of 28-30 ºC in Valencia, around 31 ºC in Alicante and up to 29 ºC in southern Castellón; at night, lows will frequently remain above 20-22 ºC, consolidating tropical nights on the coast.
- Valencia: 28-30 ºC during the day and 21-22 ºC minimum.
- Alicante : highs that can reach 31 ºC and lows of 22-23 ºC.
- Castellón (south): around 27-29 ºC and minimums of 20-21 ºC.
| Municipality/Province | Maximum expected (XJ) | Minimum expected (XJ) | October climate average |
|---|---|---|---|
| Valencia | 28-30 ºC | 21-22 ºC | 23 ºC day / 15 ºC night |
| Alicante | 29-31 ºC | 22-23 ºC | 24 ºC day / 17 ºC night |
| Castellón (south) | 27-29 ºC | 20-21 ºC | 22 ºC day / 14 ºC night |
These records will remain among 6 and up to 10 ºC above than usual at times. AEMET emphasizes that, if the scenarios are fulfilled, the average of Wednesday and Thursday It would be the highest for these dates in the series available since the mid-20th century.
Where the heat will be most intense
In the province of Alicante very mild values ​​have already been observed, especially in the Marina Alta, where Xà bia reached 30 ºC and municipalities such as Gata de Gorgos, Pedreguer, Dénia (La Xara), Ondara or Pego were close, with marks between 28,5 and 29,1 ºC. Also close to 28-29 ºC were reached in L'Atzúbia, El Verger, Alicante (El Moralet), Xixona (Montnegre de Baix), Elche (El Hondo) and Cox, according to local observation networks.
Looking at the Vega Baja, the thermometer could reach 35 ºC in Orihuela on Thursday, while in regions such as L'Alacantà or Vinalopó the maximum temperatures will be around 30 ºC. Inland, the maximum will be around 27 ºC, with nights that will not drop below 20 ºC in sections of the coast (Teulada, Dénia, Xà bia), a summer pattern that reappears in the middle of October.
The atmosphere will be muggy due to the high humidity along the coastal strip, which will increase the feeling of heat exhaustion even later in the day. Although extreme heat warnings are not expected, this combination of temperatures and humidity will require caution, especially for vulnerable people.
What's behind this episode?
The atmospheric configuration responds to a anticyclone in the western Mediterranean which stabilizes the situation, favors subsidence and, together with a still very warm sea (~23 ºC), limits nighttime cooling. This maritime contribution acts as a thermal mattress which maintains high minimum temperatures and facilitates tropical nights.
In the background we can see the trend of a warmer Mediterranean in autumn, consistent with the climate change patterns which extend warm spells outside of the climatological summer. This type of situation increases the likelihood of unusual records, both in maximum and average daily temperatures.
Recommendations and progress for the weekend
Although the episode will not be extreme, it is advisable hydrate frequently, avoid sun exposure during the central hours (12-17 h), ventilate in the morning or at night and pay attention to children, the elderly and people with previous pathologies, more sensitive to heat and high humidity, and know local plans such as the Barcelona heat plan.
Beginning Friday A gradual decline towards more normal values ​​is expected. In the city of Alicante, the decline could be felt especially during the weekend, with the possibility of rain on Sunday and highs around 20-22°C. In inland and mountain areas, lows could drop below 10°C, coinciding with the passage of a front that will cross the Valencian Community from north to south and with the change to winter time.
AEMET will update the forecast on its website and app, where they can be consulted. notices and maps in real time. If you're planning to do outdoor activities, check the local forecast and adapt your schedule and efforts to the temperature forecast for each day.
The week leaves an atypical episode for October, with Wednesday and Thursday as the peak of heat, with 30-35 ºC Tropical lows and lows in coastal areas; starting Friday, the weather will tend to normalize, with a cooler turn and the possibility of rain on Sunday.