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Northolt (nearest observation site to Harpenden)

Recent locations
Harpenden forecast
Fri 29 Apr 2016
1500 1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Clear night
9.3 ° 7.9 ° 9.6 ° 9.6 ° 10.2 ° 8.9 ° 7.5 ° 6.2 ° 4.2 °
Wind direction, speed & gust (mph) arrow down
WNW 19 37 NW 9 46 WNW 14 29 W 15 W 11 WNW 10 NW 6 WNW 6 NW 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E E E E E
Humidity arrow down
47% 71% 53% 49% 50% 55% 54% 61% 72%
Pressure (hPa) arrow down
1010 1011 1011 1011 1012 1013 1014 1015 1015
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R R R R
Sat 30 Apr 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500
Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy
3.9 ° 3.2 ° 2.4 ° 2.0 ° 1.6 ° 0.6 ° -0.2 ° 1.1 ° 5.0 ° 7.7 ° 8.9 ° 10.3 ° 10.6 ° 11.1 ° 11.0 ° 11.4 °
Wind direction, speed & gust (mph) arrow down
WNW 6 NW 3 W 3 W 3 WSW 1 SW 1 W 2 NW 1 NNW 2 NNW 9 NW 8 NNW 9 NNW 7 NW 9 NW 9 N 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E E VG VG E E E E E E VG E
Humidity arrow down
76% 82% 85% 86% 89% 93% 92% 94% 84% 68% 57% 40% 40% 37% 35% 33%
Pressure (hPa) arrow down
1016 1016 1017 1017 1018 1018 1019 1020 1020 1021 1021 1021 1021 1021 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R R R R R R R R R R R
More detail arrow down

Issued at: 1500 on Sat 30 Apr 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

East of England extremes

Parameter Location Value
Highest maximum temperature Writtle 12.8 °C
Lowest maximum temperature Houghton Hall 10.0 °C
Lowest minimum temperature Monks Wood 0.6 °C
Highest rainfall Weybourne 7.0 mm
Sunniest Wattisham 9.3 hours

UK extremes

Parameter Location Value
Highest maximum temperature Writtle 12.8 °C
Lowest maximum temperature Carterhouse 3.1 °C
Lowest minimum temperature Altnaharra -4.5 °C
Highest rainfall Redesdale Camp 19.0 mm
Sunniest Tiree 12.6 hours

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at: 0002 on Sat 30 Apr 2016

Weather map

Sat 1500

Weather observation map for Harpenden

Harpenden Harpenden – Cloudy 51.818 -0.3574
Bedford Bedford – Cloudy 52.225 -0.464
Northolt Northolt – Cloudy 51.548 -0.415
Bedford Bedford – Cloudy 52.225 -0.464
Benson Benson – Cloudy 51.62 -1.097
Little Rissington (ESAWS) Little Rissington (ESAWS) – Overcast 51.86 -1.692
Gravesend-Broadness Gravesend-Broadness – No data 51.464 0.314
Wittering Wittering – Sunny intervals 52.6111 -0.459
Lyneham Lyneham – Cloudy 51.5031 -1.9924
Wattisham Wattisham – Sunny intervals 52.123 0.961
Shoreham Shoreham – No data 50.836 -0.292
Middle Wallop Middle Wallop – Sunny day 51.149 -1.57
Coleshill Coleshill – Heavy shower day 52.48 -1.689
Coningsby Coningsby – Light shower day 53.094 -0.171
Watnall Watnall – Cloudy 53.005 -1.25
Langdon Bay Langdon Bay – No data 51.133 1.348
Weybourne Weybourne – Sunny day 52.949 1.127
Waddington Waddington – Cloudy 53.175 -0.521
Hereford Hereford – Cloudy 52.083 -2.8
Leek Leek – Light shower day 53.12755 -1.97993

Location Details

Harpenden

Location: 51.818, -0.3574

Altitude: 106.0 m above mean sea level

Northolt

Location: 51.548, -0.415

Altitude: 40.0 m above mean sea level

Distance from Harpenden: 30.3 km