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Northolt (nearest observation site to Harpenden)

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Harpenden forecast
Thu 21 May 2015
2000 2100 2200 2300
Sunny intervals Partly cloudy night Clear night Clear night
17.3 15.4 13.9 12.7
Wind direction, speed & gust (mph) arrow down
W 10 WNW 10 W 9 W 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E VG
Humidity arrow down
43% 51% 64% 66%
Pressure (hPa) arrow down
1026 1026 1027 1027
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R
Sunrise: 05:01 Sunset: 20:54 Moon phase: Waxing crescent
Fri 22 May 2015
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Cloudy Partly cloudy night Clear night Clear night Clear night Clear night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Cloudy Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
11.4 10.4 9.4 7.9 7.7 7.2 7.7 8.8 10.3 12.9 14.4 16.2 15.8 16.2 16.4 16.9 17.2 18.3 18.9 18.5 18.0
Wind direction, speed & gust (mph) arrow down
W 9 W 7 W 6 SW 5 SW 3 WSW 3 WSW 3 WSW 6 W 8 WSW 5 W 7 WSW 8 W 10 WSW 10 W 10 WNW 9 W 7 WNW 6 WNW 6 W 6 WSW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG E E E E E E
Humidity arrow down
74% 76% 81% 87% 89% 91% 90% 86% 80% 71% 66% 71% 82% 79% 79% 71% 70% 66% 64% 68% 70%
Pressure (hPa) arrow down
1027 1027 1027 1027 1027 1027 1027 1027 1027 1026 1026 1026 1026 1025 1025 1024 1024 1024 1023 1023 1023
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R S F F F F F S F F F F F F F F F F F F
Sunrise: 05:00 Sunset: 20:56 Moon phase: Waxing crescent
More detail arrow down

Issued at: 2000 on Fri 22 May 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

East of England extremes

Parameter Location Value
Highest maximum temperature Writtle 20.2 °C
Lowest maximum temperature Cromer 17.1 °C
Lowest minimum temperature Santon Downham 1.3 °C
Highest rainfall Charsfield 0.2 mm
Sunniest Wattisham 12.3 hours

UK extremes

Parameter Location Value
Highest maximum temperature St James Park 20.4 °C
Lowest maximum temperature Fair Isle 9.2 °C
Lowest minimum temperature Katesbridge 0.4 °C
Highest rainfall Resallach 26.4 mm
Sunniest Heathrow 13.5 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)

Issued at: 0002 on Fri 22 May 2015

Weather map

Fri 2000

Weather observation map for Harpenden

Harpenden Harpenden – Cloudy 51.818 -0.3574
Bedford Bedford – Overcast 52.225 -0.464
Northolt Northolt – Cloudy 51.548 -0.415
Bedford Bedford – Overcast 52.225 -0.464
Benson Benson – Overcast 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 – Cloudy 52.6111 -0.459
Lyneham Lyneham – Cloudy 51.5031 -1.9924
Wattisham Wattisham – Light rain 52.123 0.961
Shoreham Shoreham – No data 50.836 -0.292
Middle Wallop Middle Wallop – Overcast 51.149 -1.57
Coleshill Coleshill – Cloudy 52.48 -1.689
Coningsby Coningsby – Cloudy 53.094 -0.171
Watnall Watnall – Overcast 53.005 -1.25
Langdon Bay Langdon Bay – No data 51.133 1.348
Weybourne Weybourne – Overcast 52.949 1.127
Waddington Waddington – Cloudy 53.175 -0.521
Hereford Hereford – Overcast 52.083 -2.8
Leek Leek – Drizzle 53.12755 -1.97993

Location Details

Harpenden

Location: 51.818, -0.3574

Altitude: 106m above mean sea level

Northolt

Location: 51.548, -0.415

Altitude: 40 m above mean sea level

Distance from Harpenden: 30.3 km