Northolt (Greater London) last 24 hours weather
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We are showing you the observations for the nearest location to Harpenden (18.8 miles, 66 m lower).
Observation days
No pollution data.
No pollen data.
No pollution data.
No pollen data.
No pollution data.
No pollen data.
Today
| Time |
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Weather
|
||||||||||||
| Weather | ||||||||||||
| Temperature (°C) | ||||||||||||
| Temperature |
23.1° Celsius
|
24.3° Celsius
|
24.9° Celsius
|
27.2° Celsius
|
28.8° Celsius
|
28.5° Celsius
|
29.3° Celsius
|
27.3° Celsius
|
25.3° Celsius
|
22.9° Celsius
|
20.5° Celsius
|
19.1° Celsius
|
| Wind direction and speed (mph) | ||||||||||||
| Wind direction and speed |
NNE
17
|
NNE
16
|
NNE
13
|
NE
15
|
NNE
14
|
ENE
15
|
ENE
14
|
NE
13
|
NE
14
|
NE
14
|
NNE
12
|
NNE
11
|
| Wind gust (mph) | ||||||||||||
| Wind gust |
23
|
23
|
19
|
21
|
19
|
21
|
21
|
20
|
20
|
21
|
18
|
15
|
| Visibility (description) | ||||||||||||
| Visibility |
–
No data
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
E
|
VG
|
VG
|
VG
|
| Humidity | ||||||||||||
| Humidity | 62 % | 59 % | 56 % | 51 % | 45 % | 37 % | 34 % | 46 % | 51 % | 62 % | 72 % | 79 % |
| Pressure (hPa) | ||||||||||||
| Pressure | 1,022 hPa | 1,022 hPa | 1,021 hPa | 1,021 hPa | 1,020 hPa | 1,020 hPa | 1,020 hPa | 1,020 hPa | 1,021 hPa | 1,022 hPa | 1,023 hPa | 1,023 hPa |
| Pressure tendency | ||||||||||||
| Pressure tendency | F | F | F | F | F | F | F | F | R | R | R | R |
Wednesday
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Weather
|
||||||||||||||||||||||||
| Weather | ||||||||||||||||||||||||
| Temperature (°C) | ||||||||||||||||||||||||
| Temperature |
18.2° Celsius
|
17.7° Celsius
|
17.3° Celsius
|
17.2° Celsius
|
16.9° Celsius
|
17.2° Celsius
|
17.8° Celsius
|
19.0° Celsius
|
20.3° Celsius
|
20.9° Celsius
|
22.0° Celsius
|
23.0° Celsius
|
24.9° Celsius
|
25.9° Celsius
|
27.5° Celsius
|
28.5° Celsius
|
27.7° Celsius
|
27.9° Celsius
|
28.2° Celsius
|
26.9° Celsius
|
25.1° Celsius
|
23.3° Celsius
|
21.9° Celsius
|
20.4° Celsius
|
| Wind direction and speed (mph) | ||||||||||||||||||||||||
| Wind direction and speed |
NNE
8
|
NE
9
|
NE
10
|
NE
11
|
NE
10
|
NE
11
|
NE
11
|
NE
15
|
NE
15
|
NE
14
|
NE
13
|
NE
14
|
NE
12
|
ENE
14
|
NE
13
|
E
12
|
ENE
12
|
E
11
|
E
14
|
E
13
|
E
15
|
ENE
15
|
NE
13
|
NE
10
|
| Wind gust (mph) | ||||||||||||||||||||||||
| Wind gust |
15
|
15
|
15
|
15
|
13
|
18
|
15
|
23
|
21
|
19
|
18
|
20
|
22
|
23
|
23
|
20
|
19
|
16
|
20
|
17
|
20
|
21
|
17
|
16
|
| Visibility (description) | ||||||||||||||||||||||||
| Visibility |
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
| Humidity | ||||||||||||||||||||||||
| Humidity | 82 % | 84 % | 85 % | 85 % | 88 % | 87 % | 84 % | 78 % | 73 % | 69 % | 65 % | 61 % | 55 % | 49 % | 41 % | 37 % | 38 % | 39 % | 35 % | 38 % | 42 % | 49 % | 57 % | 64 % |
| Pressure (hPa) | ||||||||||||||||||||||||
| Pressure | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,023 hPa | 1,023 hPa | 1,022 hPa | 1,022 hPa | 1,021 hPa | 1,021 hPa | 1,021 hPa | 1,021 hPa | 1,022 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa |
| Pressure tendency | ||||||||||||||||||||||||
| Pressure tendency | R | R | R | R | S | S | R | R | R | R | R | R | F | F | F | F | F | F | F | F | F | R | R | R |
Thursday
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Weather
|
||||||||||||
| Weather | ||||||||||||
| Temperature (°C) | ||||||||||||
| Temperature |
18.6° Celsius
|
17.6° Celsius
|
16.6° Celsius
|
15.9° Celsius
|
15.7° Celsius
|
16.1° Celsius
|
16.7° Celsius
|
18.0° Celsius
|
19.7° Celsius
|
22.4° Celsius
|
23.6° Celsius
|
25.2° Celsius
|
| Wind direction and speed (mph) | ||||||||||||
| Wind direction and speed |
NE
11
|
NE
7
|
NE
10
|
NNE
9
|
NNE
8
|
NNE
9
|
NNE
7
|
NE
9
|
NE
10
|
NE
8
|
ENE
8
|
ENE
12
|
| Wind gust (mph) | ||||||||||||
| Wind gust |
16
|
11
|
13
|
14
|
12
|
13
|
11
|
13
|
14
|
12
|
16
|
18
|
| Visibility (description) | ||||||||||||
| Visibility |
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity | ||||||||||||
| Humidity | 71 % | 75 % | 82 % | 86 % | 88 % | 88 % | 85 % | 78 % | 69 % | 60 % | 55 % | 51 % |
| Pressure (hPa) | ||||||||||||
| Pressure | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,022 hPa | 1,022 hPa | 1,022 hPa | 1,022 hPa | 1,022 hPa | 1,022 hPa | 1,022 hPa | 1,021 hPa |
| Pressure tendency | ||||||||||||
| Pressure tendency | R | R | F | F | F | F | F | F | S | S | F | F |
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Observation taken at 10:40, Thu
Updated 11:40 (UTC+1) on Thu 16 Jul 2026
Location Details
Location: 51.548, -0.415
Altitude: 40m above sea level