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    Caution needed - Extreme heat takes hold

03:14
24 June 2026

Caution needed
Extreme heat takes hold

Split temperature maps of the UK for Wednesday 24.06 and Thursday 25.06 showing intensifying heat across Britain, with temperatures rising from 38°C near London on Wednesday to 37°C on Thursday, and a central heat warning symbol highlighting widespread extreme warmth.
Heat builds during the week, possibly hitting 40 °C locally.

Extreme heat will grip the UK this week, with rare heat warnings in force in parts of the country.

Amber extreme heat warnings are in effect from Monday into Tuesday, before a red warning covers parts of central England into Wales. This becomes just the second ever red extreme heat warning following the first in the historic heatwave of July 2022.

Daily highs are expected to exceed 37 °C even in shaded areas, and rising to around 40 °C in places, threatening the all-time UK heat record of 40.3 °C. Increasing humidity will also make conditions more oppressive along with tropical nights for some.

In Ireland, yellow heat warnings are active from Tuesday, after a rather overcast Monday it is turning sunnier and hotter from Tuesday onwards.

Later in the week, Thursday could mark the peak of the heat. However, there is also potential for widespread thunderstorms across the north of England into Scotland.

Temperatures will dip again from Friday, but it will remain warm through the weekend.

London

We
22
34
Th
20
32
Fr
23
35
Sa
22
34
Su
22
28
Mo
15
24
Tu
17
25
We
16
26
Th
17
28
Fr
19
28
Sa
18
27
Su
17
25
Mo
17
26
Tu
17
25
Max (°C)
Min (°C)
moreless

Manchester

We
18
30
Th
19
32
Fr
22
31
Sa
18
29
Su
18
24
Mo
13
21
Tu
13
21
We
14
22
Th
15
23
Fr
16
24
Sa
13
21
Su
13
21
Mo
14
21
Tu
13
21
Max (°C)
Min (°C)
moreless

Dublin

We
15
21
Th
15
26
Fr
18
26
Sa
18
23
Su
16
20
Mo
12
19
Tu
12
19
We
13
21
Th
13
21
Fr
12
20
Sa
10
19
Su
11
19
Mo
12
19
Tu
11
19
Max (°C)
Min (°C)
moreless

Edinburgh

We
15
25
Th
14
21
Fr
15
21
Sa
14
24
Su
17
21
Mo
12
17
Tu
11
19
We
13
20
Th
13
21
Fr
11
19
Sa
11
18
Su
12
20
Mo
12
21
Tu
12
20
Max (°C)
Min (°C)
moreless

Cardiff

We
20
33
Th
23
35
Fr
22
25
Sa
17
28
Su
18
22
Mo
13
19
Tu
14
20
We
16
23
Th
15
23
Fr
16
23
Sa
14
22
Su
14
21
Mo
15
22
Tu
15
21
Max (°C)
Min (°C)
moreless
Weather & Radar editorial team
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