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St Mellons, Cardiff

82°F
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St Mellons

Cardiff

82°
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St Mellons, Cardiff Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Monthly

Air Quality Health & Activities

July

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
28
66°
59°
29
66°
57°
30
68°
57°
1
68°
57°
2
72°
54°
3
72°
52°
4
68°
59°
5
68°
59°
6
75°
59°
7
70°
59°
8
Sunny and very warm
84°
58°
9
Mostly sunny and very warm
86°
64°
10
Mostly sunny and very hot
93°
66°
11
Sunny and toasty conditions
90°
62°
12
Windy and very warm
89°
59°
13
Windy and very warm
85°
60°
14
Partly sunny and very warm
83°
62°
15
Sunny and very warm
84°
63°
16
Sunny and very warm
83°
63°
17
Mostly sunny and very warm
82°
62°
18
Warm with rain
78°
60°
19
Rain
74°
59°
20
Clouds and sun with a shower
75°
58°
21
Cloudy
72°
57°
22
Sun, then clouds
70°
57°
23
Mostly sunny
71°
56°
24
Partly sunny
71°
57°
25
Mostly cloudy
73°
57°
26
Turning cloudy
74°
56°
27
Cloudy
74°
57°
28
Mostly cloudy
72°
56°
29
Mostly sunny
73°
54°
30
Mostly sunny
74°
57°
31
Cloudy
74°
58°
1
Partial sunshine
73°
57°

Temperature Graph

°F
100° 90° 80° 70° 60° Jul
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in St Mellons

St Mellons's July 2026 forecast shows daily high temperatures ranging from 70° to 93°, with overnight lows between 54° and 66°. The average high for July is 78° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in St Mellons. See also: August | September | October.

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World Europe United Kingdom Cardiff St Mellons

Weather Near St Mellons:

  • Bristol, City of Bristol
  • Cardiff, Cardiff
  • Swansea, Swansea
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