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Weather trend: Rather cool at first, then warmer and perhaps thundery for a time

10:26
13 June 2025

Weather trend
Cool at first, then warmer and thundery

The new week will start off with rather cool and slightly unsettled conditions, but much warmer weather is on the cards.

While high pressure starts to build just to our south and southwest on Monday, things will still be a bit changeable in a westerly flow.

After a cool start to the day, most will see a mixture of sunny spells and cloudier periods, perhaps with some showers here and there as well.

More cloud and rain is likely across Northern Ireland and Scotland on Tuesday as a new weather front moves through.

Meanwhile, drier and more settled weather is set to develop further south and southeast.

By Wednesday, temperatures could already hit 25°C in the south and east of the UK, setting the stage for a warm, but also fairly humid spell later this week.

As is often the case, this means heavy, thundery downpours are never far away, and we may in fact see the first thunderstorm activity late on Wednesday into Wednesday night in some southwestern regions.

Further showers and thunderstorms, though with some hazy sunshine in between, are possible on Thursday and perhaps into early Friday, though details may still change.

Once the thundery outbreaks will have shifted to the east and northeast, thereby pushing away the humid air, temperatures are likely to fall back a bit again into the weekend.

However, this probably won't mean a return to the cool and breezy weather we have seen so far this month.

While some clouds and showers cannot be ruled out, it looks as though nearby high pressure may keep temperatures just above the average for mid-June.

London

Th
17
28
Fr
16
23
Sa
13
23
Su
14
25
Mo
16
28
Tu
17
25
We
15
23
Th
15
25
Fr
17
25
Sa
17
26
Su
16
27
Mo
17
27
Tu
16
27
We
18
31
Max (°C)
Min (°C)
moreless

Leeds

Th
13
24
Fr
16
23
Sa
14
20
Su
12
22
Mo
13
21
Tu
11
20
We
10
22
Th
12
24
Fr
14
23
Sa
14
22
Su
13
22
Mo
14
23
Tu
13
24
We
14
25
Max (°C)
Min (°C)
moreless

Cardiff

Th
16
21
Fr
14
18
Sa
13
18
Su
10
20
Mo
11
20
Tu
12
21
We
13
21
Th
14
22
Fr
16
24
Sa
15
21
Su
14
21
Mo
16
22
Tu
15
23
We
16
24
Max (°C)
Min (°C)
moreless

Glasgow

Th
15
20
Fr
10
17
Sa
13
17
Su
10
18
Mo
14
17
Tu
11
17
We
9
19
Th
11
22
Fr
13
22
Sa
14
21
Su
13
21
Mo
12
20
Tu
11
19
We
12
21
Max (°C)
Min (°C)
moreless

Dublin

Th
15
19
Fr
12
16
Sa
11
18
Su
11
21
Mo
14
20
Tu
9
17
We
11
19
Th
12
21
Fr
13
21
Sa
12
20
Su
11
20
Mo
11
20
Tu
10
19
We
12
20
Max (°C)
Min (°C)
moreless
Lars Lowinski
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