United Kingdom, South East England
Harpenden weather hour by hour, meteograms
- Hourly
- Meteograms
Today
18 April|
Time
|
Temperature
|
Chance of precipitation
|
Precipitation
|
Pressure
|
Humidity
|
Wind
|
|---|---|---|---|---|---|---|
|
00:00
|
+4°
|
0%
|
0 mm
|
752 mmHg
|
88% |
6 m/s
|
|
01:00
|
+3°
|
0%
|
0 mm
|
752 mmHg
|
91% |
5 m/s
|
|
02:00
|
+3°
|
0%
|
0 mm
|
753 mmHg
|
93% |
4 m/s
|
|
03:00
|
+2°
|
0%
|
0 mm
|
753 mmHg
|
95% |
3 m/s
|
|
04:00
|
+2°
|
0%
|
0 mm
|
754 mmHg
|
95% |
3 m/s
|
|
05:00
|
+2°
|
0%
|
0 mm
|
754 mmHg
|
95% |
3 m/s
|
|
06:00
|
+2°
|
0%
|
0 mm
|
755 mmHg
|
95% |
2 m/s
|
|
07:00
|
+4°
|
0%
|
0 mm
|
755 mmHg
|
88% |
2 m/s
|
|
08:00
|
+5°
|
0%
|
0 mm
|
755 mmHg
|
82% |
2 m/s
|
|
09:00
|
+7°
|
0%
|
0 mm
|
755 mmHg
|
75% |
2 m/s
|
|
10:00
|
+8°
|
0%
|
0 mm
|
755 mmHg
|
70% |
2 m/s
|
|
11:00
|
+9°
|
0%
|
0 mm
|
755 mmHg
|
64% |
3 m/s
|
|
12:00
|
+10°
|
0%
|
0 mm
|
755 mmHg
|
58% |
3 m/s
|
|
13:00
|
+10°
|
0%
|
0 mm
|
755 mmHg
|
59% |
4 m/s
|
|
14:00
|
+11°
|
0%
|
0 mm
|
754 mmHg
|
59% |
4 m/s
|
|
15:00
|
+11°
|
0%
|
0 mm
|
754 mmHg
|
59% |
5 m/s
|
|
16:00
|
+10°
|
10%
|
0.09 mm
|
754 mmHg
|
64% |
5 m/s
|
|
17:00
|
+9°
|
20%
|
0.09 mm
|
753 mmHg
|
69% |
6 m/s
|
|
18:00
|
+8°
|
40%
|
0.09 mm
|
753 mmHg
|
73% |
6 m/s
|
|
19:00
|
+8°
|
50%
|
0.7 mm
|
753 mmHg
|
79% |
6 m/s
|
|
20:00
|
+7°
|
60%
|
0.7 mm
|
753 mmHg
|
85% |
6 m/s
|
|
21:00
|
+7°
|
70%
|
0.7 mm
|
752 mmHg
|
90% |
6 m/s
|
|
22:00
|
+7°
|
70%
|
0.18 mm
|
752 mmHg
|
91% |
7 m/s
|
|
23:00
|
+7°
|
70%
|
0.18 mm
|
751 mmHg
|
91% |
7 m/s
|
Tomorrow
19 April|
Time
|
Temperature
|
Chance of precipitation
|
Precipitation
|
Pressure
|
Humidity
|
Wind
|
|---|---|---|---|---|---|---|
|
00:00
|
+7°
|
70%
|
0.18 mm
|
751 mmHg
|
92% |
7 m/s
|
|
01:00
|
+8°
|
70%
|
0.03 mm
|
750 mmHg
|
92% |
7 m/s
|
|
02:00
|
+8°
|
80%
|
0.03 mm
|
750 mmHg
|
92% |
7 m/s
|
|
03:00
|
+9°
|
80%
|
0.03 mm
|
750 mmHg
|
92% |
7 m/s
|
|
04:00
|
+8°
|
70%
|
0.08 mm
|
750 mmHg
|
90% |
7 m/s
|
|
05:00
|
+8°
|
60%
|
0.08 mm
|
750 mmHg
|
89% |
7 m/s
|
|
06:00
|
+8°
|
50%
|
0.08 mm
|
750 mmHg
|
88% |
7 m/s
|
|
07:00
|
+8°
|
40%
|
0.05 mm
|
750 mmHg
|
87% |
7 m/s
|
|
08:00
|
+8°
|
30%
|
0.05 mm
|
750 mmHg
|
86% |
7 m/s
|
|
09:00
|
+8°
|
20%
|
0.05 mm
|
750 mmHg
|
85% |
7 m/s
|
|
10:00
|
+9°
|
20%
|
0.12 mm
|
750 mmHg
|
78% |
7 m/s
|
|
11:00
|
+10°
|
30%
|
0.12 mm
|
750 mmHg
|
70% |
8 m/s
|
|
12:00
|
+11°
|
30%
|
0.12 mm
|
750 mmHg
|
63% |
9 m/s
|
|
13:00
|
+11°
|
30%
|
0.18 mm
|
751 mmHg
|
65% |
8 m/s
|
|
14:00
|
+11°
|
30%
|
0.18 mm
|
751 mmHg
|
68% |
7 m/s
|
|
15:00
|
+10°
|
40%
|
0.18 mm
|
752 mmHg
|
70% |
7 m/s
|
|
16:00
|
+9°
|
40%
|
0.09 mm
|
752 mmHg
|
71% |
6 m/s
|
|
17:00
|
+8°
|
40%
|
0.09 mm
|
753 mmHg
|
72% |
6 m/s
|
|
18:00
|
+7°
|
40%
|
0.09 mm
|
754 mmHg
|
73% |
5 m/s
|
|
19:00
|
+6°
|
40%
|
0 mm
|
754 mmHg
|
74% |
5 m/s
|
|
20:00
|
+5°
|
50%
|
0 mm
|
755 mmHg
|
75% |
4 m/s
|
|
21:00
|
+4°
|
50%
|
0 mm
|
756 mmHg
|
75% |
3 m/s
|
|
22:00
|
+3°
|
40%
|
0 mm
|
756 mmHg
|
77% |
3 m/s
|
|
23:00
|
+3°
|
40%
|
0 mm
|
757 mmHg
|
78% |
3 m/s
|
Saturday
20 April|
Time
|
Temperature
|
Chance of precipitation
|
Precipitation
|
Pressure
|
Humidity
|
Wind
|
|---|---|---|---|---|---|---|
|
00:00
|
+2°
|
30%
|
0 mm
|
757 mmHg
|
80% |
3 m/s
|
|
01:00
|
+2°
|
30%
|
0 mm
|
757 mmHg
|
81% |
3 m/s
|
|
02:00
|
+1°
|
20%
|
0 mm
|
757 mmHg
|
83% |
3 m/s
|
|
03:00
|
+1°
|
20%
|
0 mm
|
758 mmHg
|
84% |
3 m/s
|
|
04:00
|
+1°
|
20%
|
0 mm
|
758 mmHg
|
83% |
3 m/s
|
|
05:00
|
+1°
|
20%
|
0 mm
|
758 mmHg
|
83% |
4 m/s
|
|
06:00
|
+2°
|
20%
|
0 mm
|
759 mmHg
|
82% |
4 m/s
|
|
07:00
|
+3°
|
20%
|
0 mm
|
759 mmHg
|
75% |
4 m/s
|
|
08:00
|
+5°
|
20%
|
0 mm
|
759 mmHg
|
68% |
5 m/s
|
|
09:00
|
+6°
|
20%
|
0 mm
|
760 mmHg
|
61% |
6 m/s
|
|
10:00
|
+7°
|
20%
|
0.01 mm
|
760 mmHg
|
59% |
6 m/s
|
|
11:00
|
+8°
|
20%
|
0.01 mm
|
760 mmHg
|
58% |
6 m/s
|
|
12:00
|
+8°
|
20%
|
0.01 mm
|
760 mmHg
|
56% |
5 m/s
|
|
13:00
|
+8°
|
20%
|
0.01 mm
|
760 mmHg
|
57% |
5 m/s
|
|
14:00
|
+9°
|
20%
|
0.01 mm
|
760 mmHg
|
57% |
5 m/s
|
|
15:00
|
+9°
|
20%
|
0.01 mm
|
760 mmHg
|
58% |
5 m/s
|
|
16:00
|
+8°
|
20%
|
0.01 mm
|
760 mmHg
|
62% |
5 m/s
|
|
17:00
|
+8°
|
20%
|
0.01 mm
|
760 mmHg
|
66% |
4 m/s
|
|
18:00
|
+7°
|
20%
|
0.01 mm
|
760 mmHg
|
70% |
4 m/s
|
|
19:00
|
+6°
|
20%
|
0 mm
|
760 mmHg
|
74% |
3 m/s
|
|
20:00
|
+4°
|
20%
|
0 mm
|
761 mmHg
|
78% |
3 m/s
|
|
21:00
|
+2°
|
20%
|
0 mm
|
761 mmHg
|
82% |
3 m/s
|
|
22:00
|
+2°
|
20%
|
0 mm
|
761 mmHg
|
84% |
3 m/s
|
|
23:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
85% |
3 m/s
|
Sunday
21 April|
Time
|
Temperature
|
Chance of precipitation
|
Precipitation
|
Pressure
|
Humidity
|
Wind
|
|---|---|---|---|---|---|---|
|
00:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
87% |
3 m/s
|
|
01:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
87% |
3 m/s
|
|
02:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
88% |
3 m/s
|
|
03:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
88% |
3 m/s
|
|
04:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
87% |
3 m/s
|
|
05:00
|
+1°
|
20%
|
0 mm
|
761 mmHg
|
85% |
3 m/s
|
|
06:00
|
+2°
|
20%
|
0 mm
|
761 mmHg
|
84% |
3 m/s
|
|
07:00
|
+3°
|
20%
|
0 mm
|
761 mmHg
|
78% |
4 m/s
|
|
08:00
|
+5°
|
20%
|
0 mm
|
761 mmHg
|
72% |
5 m/s
|
|
09:00
|
+6°
|
20%
|
0 mm
|
762 mmHg
|
66% |
5 m/s
|
|
10:00
|
+7°
|
20%
|
0.02 mm
|
762 mmHg
|
65% |
5 m/s
|
|
11:00
|
+7°
|
20%
|
0.02 mm
|
762 mmHg
|
63% |
5 m/s
|
|
12:00
|
+7°
|
20%
|
0.02 mm
|
762 mmHg
|
61% |
5 m/s
|
|
13:00
|
+7°
|
20%
|
0.01 mm
|
762 mmHg
|
61% |
5 m/s
|
|
14:00
|
+8°
|
20%
|
0.01 mm
|
761 mmHg
|
60% |
5 m/s
|
|
15:00
|
+8°
|
20%
|
0.01 mm
|
761 mmHg
|
60% |
5 m/s
|
|
16:00
|
+7°
|
20%
|
0.01 mm
|
761 mmHg
|
63% |
5 m/s
|
|
17:00
|
+7°
|
20%
|
0.01 mm
|
761 mmHg
|
67% |
5 m/s
|
|
18:00
|
+6°
|
20%
|
0.01 mm
|
761 mmHg
|
71% |
4 m/s
|
|
19:00
|
+5°
|
20%
|
0 mm
|
761 mmHg
|
76% |
4 m/s
|
|
20:00
|
+4°
|
20%
|
0 mm
|
762 mmHg
|
81% |
4 m/s
|
|
21:00
|
+2°
|
20%
|
0 mm
|
762 mmHg
|
86% |
3 m/s
|
|
22:00
|
+3°
|
20%
|
0 mm
|
762 mmHg
|
80% |
3 m/s
|
|
23:00
|
+4°
|
20%
|
0 mm
|
762 mmHg
|
74% |
4 m/s
|
Forecast in other regions
London
+8°
Birmingham
+8°
Liverpool
+10°
Sheffield
+9°
Glasgow
+7°
Bristol
+9°
Manchester
+9°
Leeds
+9°
Leicester
+8°
Edinburgh
+8°
Cardiff
+9°
Lampeter
+8°
Coventry
+8°
Belfast
+9°
Sunderland
+9°
Nottingham
+9°
Birkenhead
+10°
Reading
+8°
Preston
+9°