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Northolt (nearest observation site to Harrow)

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Harrow forecast
Tue 28 Jul 2015
1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
16.1 16.5 17.5 18.3 19.3 18.7 18.7 19.4 17.3 16.5 15.2 14.7 14.1
Wind direction, speed & gust (mph) arrow down
W 18 W 16 32 W 19 W 19 29 W 18 W 21 WNW 16 W 15 W 14 WNW 9 WNW 13 W 10 WNW 14
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 VG E E E
Humidity arrow down
60% 58% 53% 48% 44% 45% 47% 43% 53% 58% 58% 62% 67%
Pressure (hPa) arrow down
1006 1006 1006 1006 1006 1006 1007 1007 1007 1007 1008 1008 1009
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R R R R R R R R
Sunrise: 05:19 Sunset: 20:57 Moon phase: Waxing gibbous
Wed 29 Jul 2015
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100
Cloudy Clear night Clear night Clear night Clear night Clear night Sunny day Cloudy Cloudy Cloudy Cloudy Cloudy
13.2 12.0 11.2 10.3 9.6 9.3 9.5 10.7 12.0 14.7 14.7 16.8
Wind direction, speed & gust (mph) arrow down
W 13 W 10 W 8 W 7 WSW 6 W 7 W 8 W 8 W 11 W 11 WNW 13 W 15
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E VG VG VG E E E E
Humidity arrow down
72% 79% 82% 87% 90% 91% 90% 86% 80% 68% 62% 56%
Pressure (hPa) arrow down
1009 1009 1009 1009 1009 1009 1009 1009 1010 1010 1010 1011
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R S S R R R R R R R
Sunrise: 05:20 Sunset: 20:55 Moon phase: Waxing gibbous
More detail arrow down

Issued at: 1100 on Wed 29 Jul 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

London & South East England extremes

Parameter Location Value
Highest maximum temperature Heathrow 20.8 °C
Lowest maximum temperature St Catherines Point 17.1 °C
Lowest minimum temperature High Wycombe 11.2 °C
Highest rainfall High Wycombe 2.4 mm
Sunniest Odiham 6.4 hours

UK extremes

Parameter Location Value
Highest maximum temperature Shoeburyness 20.9 °C
Lowest maximum temperature Carterhouse 11.4 °C
Lowest minimum temperature Resallach 5.9 °C
Highest rainfall Pateley Bridge Ravens Nest 28.4 mm
Sunniest Shobdon 11.0 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 Wed 29 Jul 2015

Weather map

Wed 1100

Weather observation map for Harrow

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