Harpenden (Hertfordshire) last 24 hours weather
Sunday (10 May 2026)
| 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | |
|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
Temperature
°C
|
|||||||
| Temperature in degrees Celsius |
13.1°
|
12.7°
|
12.3°
|
10.5°
|
9.0°
|
7.9°
|
6.2°
|
|
Wind direction and speed
mph
|
|||||||
| Wind direction and speed in miles per hour |
NE
16
|
NE
15
|
NE
13
|
NNE
15
|
NNE
14
|
NE
9
|
NNE
5
|
| Wind gust in miles per hour | 24 | 21 | 19 | 22 | 22 | 15 | 7 |
|
Visibility
|
|||||||
| Visibility | E | E | E | E | E | E | E |
| Humidity | 51% | 51% | 49% | 53% | 57% | 58% | 64% |
| Pressure in hectopascals | 1,015 | 1,014 | 1,014 | 1,014 | 1,015 | 1,015 | 1,014 |
Monday (11 May 2026)
| 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 symbol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Temperature
°C
|
||||||||||||||||||||||||
| Temperature in degrees Celsius |
3.6°
|
2.0°
|
1.9°
|
1.4°
|
1.1°
|
1.5°
|
4.0°
|
8.3°
|
8.8°
|
9.4°
|
9.9°
|
9.7°
|
9.2°
|
10.2°
|
10.8°
|
12.2°
|
11.5°
|
13.2°
|
12.0°
|
11.4°
|
9.7°
|
7.8°
|
7.0°
|
4.7°
|
|
Wind direction and speed
mph
|
||||||||||||||||||||||||
| Wind direction and speed in miles per hour |
NNE
1
|
WNW
2
|
WNW
2
|
WNW
2
|
W
3
|
W
4
|
WNW
5
|
NW
11
|
NW
13
|
NNW
11
|
NNW
10
|
NNE
8
|
NNE
10
|
NNE
10
|
N
10
|
NE
11
|
N
13
|
NNE
12
|
N
13
|
NNE
10
|
NNE
5
|
ENE
3
|
ENE
6
|
NE
4
|
| Wind gust in miles per hour | 3 | 3 | 3 | 2 | 4 | 5 | 7 | 15 | 17 | 17 | 15 | 13 | 15 | 15 | 16 | 15 | 19 | 19 | 18 | 16 | 7 | 4 | 9 | 5 |
|
Visibility
|
||||||||||||||||||||||||
| Visibility | E | E | E | E | E | E | E | E | E | VG | E | E | G | E | E | E | E | E | E | E | E | E | E | E |
| Humidity | 75% | 84% | 87% | 91% | 91% | 88% | 80% | 75% | 73% | 74% | 74% | 80% | 78% | 76% | 63% | 54% | 51% | 42% | 42% | 45% | 51% | 58% | 62% | 69% |
| Pressure in hectopascals | 1,014 | 1,013 | 1,012 | 1,012 | 1,012 | 1,011 | 1,011 | 1,011 | 1,011 | 1,011 | 1,011 | 1,011 | 1,012 | 1,012 | 1,013 | 1,012 | 1,013 | 1,013 | 1,013 | 1,014 | 1,015 | 1,016 | 1,016 | 1,017 |
Tuesday (12 May 2026)
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Temperature
°C
|
|||||||||||||||||
| Temperature in degrees Celsius |
3.0°
|
1.5°
|
1.2°
|
0.3°
|
0.2°
|
0.6°
|
2.6°
|
7.0°
|
9.9°
|
12.1°
|
13.2°
|
14.0°
|
14.7°
|
15.1°
|
15.7°
|
14.8°
|
14.8°
|
|
Wind direction and speed
mph
|
|||||||||||||||||
| Wind direction and speed in miles per hour |
WSW
2
|
NW
1
|
ENE
2
|
W
2
|
NNW
1
|
WNW
1
|
W
1
|
W
6
|
W
11
|
WNW
9
|
NW
11
|
WNW
13
|
WNW
15
|
WNW
11
|
W
16
|
WNW
16
|
WNW
15
|
| Wind gust in miles per hour | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 11 | 15 | 15 | 19 | 19 | 22 | 16 | 22 | 22 | 20 |
|
Visibility
|
|||||||||||||||||
| Visibility | E | VG | VG | VG | VG | VG | VG | VG | E | E | E | E | E | E | E | E | E |
| Humidity | 82% | 87% | 90% | 91% | 92% | 93% | 93% | 76% | 62% | 49% | 45% | 44% | 46% | 48% | 47% | 51% | 54% |
| Pressure in hectopascals | 1,016 | 1,016 | 1,017 | 1,017 | 1,017 | 1,017 | 1,017 | 1,017 | 1,016 | 1,016 | 1,015 | 1,015 | 1,014 | 1,014 | 1,013 | 1,012 | 1,012 |
Harpenden weather map
View the weather with our interactive map
Loading map…
Location Details
Location: 51.818, -0.357
Altitude:
106m above sea level