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- 19.2°C recorded at Northolt on 5 March, the hottest day of 2026 so far.
- Betting markets suggest a 2/1 chance of a new hottest UK day record in 2026.
- London leads the betting at 6/4 to record the year’s highest temperature.
Early Warm Weather Sparks Betting Interest
Updated: March 20th 2026
Unseasonably warm weather at the beginning of March has already sparked discussion about potential UK weather records in 2026.
Temperatures hit 20.9C in parts of Wales earlier this week to set a new highest temperature in the UK in 2026.
Weather Betting Specials for 2026
Experts have produced a hypothetical betting market on potential weather events that could occur during the year.
| Weather Event | Odds* | Implied Probability |
|---|---|---|
| Any Day in 2026 enters Top 10 hottest UK days | 5/6 | 54.5% |
| Hottest UK day ever recorded in 2026 | 6/4 | 40.0% |
| Wettest UK day ever recorded in 2026 | 3/1 | 25.0% |
The market suggests there is a 33% chance that 2026 could produce a new UK temperature record, something that would require temperatures above 40.3°C, the current national record.
Current UK Temperature Records
The UK’s all-time highest temperature was recorded relatively recently.
| Rank | Temperature | Date | Location |
|---|---|---|---|
| 1 | 40.3°C | 19 July 2022 | Coningsby, Lincolnshire |
| 2 | 38.7°C | 25 July 2019 | Cambridge |
| 3 | 38.5°C | 10 Aug 2003 | Faversham |
| 4 | 38.2°C | 18 July 2022 | Pitsford |
| 5 | 37.8°C | 31 July 2020 | Heathrow |
The 2022 heatwave produced the UK’s first-ever 40°C temperature, when Coningsby in Lincolnshire reached 40.3°C.
What the expert says...
Where Could the Hottest Day Occur in 2026?
Betting markets are also predicting where the highest temperature in the UK during 2026 could be recorded.
| Hottest Day of 2026 Location | Odds* | Implied Probability |
|---|---|---|
| London | 5/4 | 44.4% |
| Bristol | 6/4 | 40.0% |
| Coningsby | 2/1 | 33.3% |
| Manchester | 2/1 | 33.3% |
| Cardiff | 3/1 | 25.0% |
| Edinburgh | 9/1 | 10.0% |
| Newcastle | 10/1 | 9.1% |
*As betting sites currently aren't taking bets on this event, odds have been compiled as theoretical probability from an entertainment perspective only and come from an industry expert
London sits at the top of the market at 6/4, which reflects the capital’s tendency to record some of the highest temperatures in the country due to the urban heat island effect.
However, Coningsby, the location of the current national temperature record, remains a strong contender at 3/1.
Highest Temperatures Across the UK Nations
Different parts of the UK also have their own temperature records.
| Country | Record Temperature | Location | Date |
|---|---|---|---|
| England | 40.3°C | Coningsby | July 2022 |
| Wales | 37.1°C | Hawarden | July 2022 |
| Scotland | 34.8°C | Charterhall | July 2022 |
| Northern Ireland | 31.3°C | Castlederg | July 2021 |
Could 2026 Produce Another Record-Breaking Summer?
While the UK has started the year with relatively mild temperatures, the question remains whether summer 2026 could produce another extreme heat event.
If temperatures were to exceed the 40.3°C record set in 2022, it would represent one of the most significant weather events in British history.
For now, the betting markets suggest the possibility remains very much in play.
