Harpenden (Hertfordshire) last 24 hours weather
Monday (18 May 2026)
| 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 |
13.1°
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13.6°
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13.8°
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13.1°
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13.1°
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12.1°
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12.0°
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11.7°
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11.3°
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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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WSW
17
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SW
14
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SW
13
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SW
12
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SW
9
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SSW
10
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S
10
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S
8
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| Wind gust in miles per hour | 24 | 24 | 21 | 19 | 17 | 14 | 15 | 16 | 11 |
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Visibility
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| Visibility | VG | E | E | E | E | E | E | E | E |
| Humidity | 63% | 61% | 57% | 60% | 59% | 63% | 64% | 71% | 78% |
| Pressure in hectopascals | 1,012 | 1,012 | 1,012 | 1,012 | 1,012 | 1,013 | 1,013 | 1,012 | 1,012 |
Tuesday (19 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 |
10.8°
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10.6°
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10.7°
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10.7°
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11.1°
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11.2°
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11.5°
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12.0°
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12.7°
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13.8°
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14.3°
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16.8°
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16.9°
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16.8°
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16.9°
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16.1°
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17.0°
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16.2°
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16.1°
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15.6°
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14.7°
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13.9°
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13.1°
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13.3°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
S
8
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SSE
10
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S
10
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SSE
11
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S
11
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S
12
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S
12
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S
11
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S
11
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S
13
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SSW
14
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SW
16
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SW
15
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SSW
17
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SW
18
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SSW
15
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SW
18
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SW
20
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SW
18
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SW
17
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SW
16
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SW
14
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SW
14
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SW
12
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| Wind gust in miles per hour | 14 | 14 | 15 | 15 | 16 | 22 | 18 | 17 | 16 | 20 | 21 | 28 | 24 | 27 | 27 | 24 | 28 | 30 | 27 | 26 | 25 | 25 | 23 | 21 |
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Visibility
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| Visibility | G | M | G | VG | G | M | G | M | G | E | P | VG | VG | VG | G | VG | VG | VG | VG | VG | VG | VG | VG | G |
| Humidity | 86% | 91% | 92% | 94% | 94% | 94% | 94% | 94% | 94% | 89% | 91% | 76% | 67% | 65% | 68% | 76% | 68% | 66% | 67% | 66% | 72% | 76% | 76% | 77% |
| Pressure in hectopascals | 1,012 | 1,011 | 1,010 | 1,009 | 1,009 | 1,008 | 1,008 | 1,008 | 1,008 | 1,007 | 1,007 | 1,007 | 1,007 | 1,008 | 1,008 | 1,008 | 1,008 | 1,008 | 1,008 | 1,009 | 1,009 | 1,010 | 1,010 | 1,011 |
Wednesday (20 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 | |
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| Weather symbol |
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Temperature
°C
|
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| Temperature in degrees Celsius |
13.3°
|
13.0°
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13.0°
|
12.7°
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13.1°
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12.2°
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13.0°
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13.6°
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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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20.2°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
SW
15
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SW
12
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WSW
13
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SW
11
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WSW
12
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WSW
11
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WSW
12
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WSW
14
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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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W
23
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| Wind gust in miles per hour | 21 | 19 | 20 | 19 | 17 | 16 | 20 | 23 | 23 | 28 | 30 | 23 | 24 | 26 | 30 |
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Visibility
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| Visibility | G | G | VG | G | G | VG | VG | G | VG | VG | E | E | E | E | E |
| Humidity | 77% | 77% | 76% | 79% | 80% | 84% | 81% | 76% | 69% | 63% | 61% | 57% | 51% | 50% | 47% |
| Pressure in hectopascals | 1,011 | 1,011 | 1,012 | 1,012 | 1,013 | 1,013 | 1,015 | 1,016 | 1,016 | 1,017 | 1,017 | 1,018 | 1,018 | 1,018 | 1,019 |
Harpenden weather map
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Location Details
Location: 51.818, -0.357
Altitude:
106m above sea level