Harpenden (Hertfordshire) last 24 hours weather
Saturday (9 May 2026)
| 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 |
18.3°
|
19.2°
|
20.3°
|
20.5°
|
20.6°
|
20.8°
|
20.6°
|
20.4°
|
19.2°
|
17.7°
|
15.9°
|
15.1°
|
14.4°
|
13.5°
|
|
Wind direction and speed
mph
|
||||||||||||||
| Wind direction and speed in miles per hour |
E
10
|
E
11
|
E
9
|
E
10
|
NNE
13
|
ENE
8
|
ESE
11
|
ESE
12
|
ESE
13
|
E
12
|
E
11
|
E
11
|
ENE
8
|
ENE
11
|
| Wind gust in miles per hour | 15 | 14 | 14 | 16 | 18 | 13 | 17 | 17 | 17 | 17 | 16 | 15 | 12 | 16 |
|
Visibility
|
||||||||||||||
| Visibility | G | VG | VG | VG | E | E | E | VG | E | E | E | E | E | E |
| Humidity | 47% | 42% | 39% | 38% | 34% | 32% | 34% | 37% | 40% | 38% | 39% | 41% | 46% | 52% |
| Pressure in hectopascals | 1,018 | 1,018 | 1,017 | 1,017 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,017 | 1,017 | 1,018 | 1,018 | 1,018 |
Sunday (10 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 |
12.0°
|
10.2°
|
9.5°
|
9.4°
|
9.5°
|
9.6°
|
9.9°
|
10.3°
|
11.1°
|
11.4°
|
12.9°
|
13.1°
|
12.9°
|
12.6°
|
12.7°
|
12.3°
|
12.8°
|
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
12
|
NE
11
|
NE
12
|
NE
12
|
NE
12
|
NE
15
|
NE
14
|
NE
17
|
NE
17
|
NE
15
|
NE
19
|
ENE
18
|
NE
17
|
NE
18
|
NE
16
|
ENE
17
|
NE
14
|
NE
16
|
NE
15
|
NE
13
|
NNE
15
|
NNE
14
|
NE
9
|
NNE
5
|
| Wind gust in miles per hour | 17 | 18 | 17 | 18 | 18 | 22 | 22 | 25 | 24 | 22 | 25 | 26 | 25 | 24 | 21 | 26 | 19 | 24 | 21 | 19 | 22 | 22 | 15 | 7 |
|
Visibility
|
||||||||||||||||||||||||
| Visibility | E | VG | G | G | VG | VG | VG | VG | VG | VG | VG | E | E | E | E | E | E | E | E | E | E | E | E | E |
| Humidity | 56% | 80% | 85% | 85% | 84% | 83% | 81% | 78% | 73% | 69% | 63% | 60% | 65% | 61% | 59% | 58% | 54% | 51% | 51% | 49% | 53% | 57% | 58% | 64% |
| Pressure in hectopascals | 1,018 | 1,018 | 1,019 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,017 | 1,017 | 1,017 | 1,016 | 1,016 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 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°
|
9.7°
|
|
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
9
|
| Wind gust in miles per hour | 3 | 3 | 3 | 2 | 4 | 5 | 7 | 15 | 17 | 14 |
|
Visibility
|
||||||||||
| Visibility | E | E | E | E | E | E | E | E | E | E |
| Humidity | 75% | 84% | 87% | 91% | 91% | 88% | 80% | 75% | 73% | 72% |
| Pressure in hectopascals | 1,014 | 1,013 | 1,012 | 1,012 | 1,012 | 1,011 | 1,011 | 1,011 | 1,011 | 1,011 |
Harpenden weather map
View the weather with our interactive map
Loading map…
Location Details
Location: 51.818, -0.357
Altitude:
106m above sea level