Harpenden (Hertfordshire) last 24 hours weather
Wednesday (20 May 2026)
| 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 | |
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Temperature
°C
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| Temperature in degrees Celsius |
14.6°
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16.2°
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16.2°
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16.8°
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18.1°
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19.2°
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18.6°
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18.8°
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16.9°
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17.3°
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17.3°
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16.7°
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15.4°
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15.1°
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13.8°
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14.0°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
WSW
15
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W
19
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W
19
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WSW
16
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W
15
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W
19
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WSW
19
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W
15
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W
10
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WSW
17
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W
14
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W
15
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W
11
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W
6
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W
8
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W
4
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| Wind gust in miles per hour | 23 | 28 | 30 | 23 | 24 | 26 | 26 | 21 | 15 | 22 | 20 | 25 | 15 | 9 | 11 | 6 |
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Visibility
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| Visibility | VG | VG | E | E | E | E | E | E | E | E | E | E | E | VG | VG | VG |
| Humidity | 69% | 63% | 61% | 57% | 51% | 50% | 57% | 59% | 83% | 79% | 68% | 69% | 72% | 74% | 74% | 73% |
| Pressure in hectopascals | 1,016 | 1,017 | 1,017 | 1,018 | 1,018 | 1,018 | 1,019 | 1,020 | 1,021 | 1,021 | 1,022 | 1,023 | 1,023 | 1,024 | 1,025 | 1,025 |
Thursday (21 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 | |
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| Weather symbol |
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Temperature
°C
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| Temperature in degrees Celsius |
12.5°
|
11.7°
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11.1°
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10.4°
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11.8°
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12.5°
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13.3°
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14.5°
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15.6°
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16.8°
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18.5°
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19.8°
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20.6°
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22.3°
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23.2°
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22.8°
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22.6°
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22.9°
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22.6°
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21.7°
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19.6°
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17.9°
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16.2°
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14.6°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
SW
5
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SSW
4
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SW
5
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S
3
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SSW
5
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SSW
4
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SSW
9
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SW
9
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SW
11
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SW
12
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SW
12
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SW
12
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S
11
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SW
10
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WSW
7
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SSW
8
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SSW
5
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SSW
6
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SSW
5
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S
9
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S
7
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S
6
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SSE
4
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S
2
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| Wind gust in miles per hour | 8 | 5 | 6 | 4 | 8 | 6 | 14 | 14 | 17 | 19 | 16 | 17 | 17 | 18 | 13 | 14 | 10 | 9 | 9 | 13 | 13 | 10 | 5 | 4 |
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Visibility
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| Visibility | VG | G | VG | G | VG | VG | G | G | VG | VG | VG | VG | VG | VG | VG | E | E | E | E | E | E | E | G | VG |
| Humidity | 84% | 88% | 89% | 91% | 89% | 85% | 84% | 81% | 77% | 73% | 69% | 62% | 59% | 55% | 51% | 54% | 57% | 55% | 57% | 58% | 57% | 63% | 65% | 70% |
| Pressure in hectopascals | 1,025 | 1,025 | 1,026 | 1,026 | 1,026 | 1,026 | 1,026 | 1,027 | 1,027 | 1,027 | 1,027 | 1,026 | 1,026 | 1,026 | 1,026 | 1,025 | 1,025 | 1,025 | 1,025 | 1,025 | 1,025 | 1,026 | 1,026 | 1,026 |
Friday (22 May 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Temperature
°C
|
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| Temperature in degrees Celsius |
13.7°
|
11.8°
|
10.8°
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10.8°
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10.1°
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10.1°
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13.5°
|
14.9°
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Wind direction and speed
mph
|
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| Wind direction and speed in miles per hour |
SE
3
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E
0
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NE
2
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E
1
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SSW
1
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WNW
0
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ESE
1
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SE
1
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| Wind gust in miles per hour | 5 | 1 | 3 | 2 | 2 | 1 | 3 | 3 |
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Visibility
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| Visibility | E | VG | E | VG | VG | VG | VG | VG |
| Humidity | 78% | 83% | 85% | 89% | 91% | 93% | 89% | 87% |
| Pressure in hectopascals | 1,026 | 1,026 | 1,025 | 1,025 | 1,025 | 1,025 | 1,025 | 1,025 |
Harpenden weather map
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Location Details
Location: 51.818, -0.357
Altitude:
106m above sea level