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Northolt (nearest observation site to Harrow)

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Harrow forecast
Wed 26 Aug 2015
1900 2000 2100 2200 2300
Sunny intervals Clear night Clear night Partly cloudy night Cloudy
18.1 16.8 15.6 15.0 14.6
Wind direction, speed & gust (mph) arrow down
SW 16 SW 13 SW 10 SW 8 WSW 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG
Humidity arrow down
68% 75% 82% 86% 86%
Pressure (hPa) arrow down
1003 1003 1004 1005 1005
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R R
Thu 27 Aug 2015
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900
Clear night Clear night Clear night Clear night Partly cloudy night Cloudy Cloudy Cloudy Heavy shower day Light rain Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
14.7 14.1 13.9 13.6 13.9 13.9 13.7 14.0 14.0 13.8 14.7 16.4 17.4 18.1 18.0 17.8 19.3 18.0 15.5 16.5
Wind direction, speed & gust (mph) arrow down
WSW 13 SW 7 SW 7 SW 6 SW 8 SW 8 SW 6 SSW 6 WSW 7 WSW 8 WSW 9 WSW 10 WSW 14 WSW 13 WSW 13 WSW 13 WSW 17 WSW 15 W 7 WSW 9
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 M G E E E E E E E VG E E
Humidity arrow down
86% 90% 91% 90% 88% 92% 92% 92% 95% 94% 91% 83% 72% 63% 63% 60% 56% 59% 79% 68%
Pressure (hPa) arrow down
1005 1005 1005 1005 1005 1005 1005 1005 1006 1006 1006 1006 1007 1007 1007 1007 1007 1008 1008 1008
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R F F R R R R R R R R R R R R
More detail arrow down

Issued at: 1900 on Thu 27 Aug 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

London & South East England extremes

Parameter Location Value
Highest maximum temperature Manston 21.2 °C
Lowest maximum temperature Wych Cross 17.9 °C
Lowest minimum temperature High Wycombe 13.6 °C
Highest rainfall Heathrow 47.8 mm
Sunniest Reading University 4.1 hours

UK extremes

Parameter Location Value
Highest maximum temperature Loftus 22.1 °C
Lowest maximum temperature Aultbea 12.7 °C
Lowest minimum temperature Tulloch Bridge 3.5 °C
Highest rainfall Heathrow 47.8 mm
Sunniest Bude 10.5 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)

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 Thu 27 Aug 2015

Weather map

Thu 1900

Weather observation map for Harrow

Harrow Harrow – Cloudy 51.5801 -0.3404
Benson Benson – Sunny intervals 51.62 -1.097
Bedford Bedford – Cloudy 52.225 -0.464
Gravesend-Broadness Gravesend-Broadness – No data 51.464 0.314
Bedford Bedford – Cloudy 52.225 -0.464
Shoreham Shoreham – No data 50.836 -0.292
Little Rissington (ESAWS) Little Rissington (ESAWS) – Sunny day 51.86 -1.692
Lyneham Lyneham – Sunny day 51.5031 -1.9924
Middle Wallop Middle Wallop – Cloudy 51.149 -1.57
Wittering Wittering – Heavy shower day 52.6111 -0.459
Wattisham Wattisham – Light shower day 52.123 0.961
Langdon Bay Langdon Bay – No data 51.133 1.348
Coleshill Coleshill – Cloudy 52.48 -1.689
Coningsby Coningsby – Sunny intervals 53.094 -0.171
Weybourne Weybourne – Sunny intervals 52.949 1.127
Watnall Watnall – Sunny day 53.005 -1.25
Hereford Hereford – Sunny day 52.083 -2.8
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Waddington Waddington – Sunny day 53.175 -0.521
St-Athan St-Athan – Sunny day 51.405 -3.44

Location Details

Harrow

Location: 51.5801, -0.3404

Altitude: 64m above mean sea level

Northolt

Location: 51.548, -0.415

Altitude: 40 m above mean sea level

Distance from Harrow: 6.3 km