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Northolt (nearest observation site to Harrow)

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Harrow forecast
  • Thu
  • Fri
Thu 26 Mar 2015
0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Overcast Cloudy Cloudy Light rain Light rain Light rain Light rain Cloudy Cloudy Heavy shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Cloudy Partly cloudy night Clear night
4.9 5.0 4.3 4.5 5.2 5.9 6.9 9.3 10.1 8.8 11.6 12.2 12.3 10.7 10.3 9.2 8.9 8.1 7.4 6.8
Wind direction, speed & gust (mph) arrow down
S 7 SSW 14 S 14 32 SSW 16 SSW 14 SW 11 SW 9 W 7 WNW 11 NW 19 29 NW 23 32 NW 19 34 NW 18 32 NW 19 29 NW 15 31 NW 8 NW 13 WNW 9 WNW 13 WNW 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G M M M M M G VG E VG E E E E E E E E E E
Humidity arrow down
89% 89% 90% 91% 92% 93% 94% 93% 82% 86% 57% 48% 47% 48% 45% 49% 45% 49% 57% 58%
Pressure (hPa) arrow down
1005 1004 1003 1002 1001 1001 1001 1001 1002 1003 1004 1005 1006 1007 1009 1010 1011 1013 1013 1015
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F R R R R R R R R R R R R R
Sunrise: 05:50 Sunset: 18:23 Moon phase: First quarter
Fri 27 Mar 2015
0000 0100 0200 0300 0400
Clear night Clear night Clear night Clear night Clear night
5.9 5.1 3.8 2.8 3.0
Wind direction, speed & gust (mph) arrow down
WNW 9 WNW 8 W 8 N 0 SW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E
Humidity arrow down
63% 65% 74% 79% 80%
Pressure (hPa) arrow down
1015 1016 1017 1017 1018
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R
Sunrise: 05:48 Sunset: 18:25 Moon phase: First quarter
leftEarlier Laterright
More detail arrow down

Issued at: 0400 on Fri 27 Mar 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

London & South East England extremes

Parameter Location Value
Highest maximum temperature Shoreham 14.8 °C
Lowest maximum temperature East Malling 10.9 °C
Lowest minimum temperature South Newington -1.1 °C
Highest rainfall High Wycombe 16.2 mm
Sunniest Odiham 5.4 hours

UK extremes

Parameter Location Value
Highest maximum temperature Shoreham 14.8 °C
Lowest maximum temperature Loch Glascarnoch 4.9 °C
Lowest minimum temperature Santon Downham -3.0 °C
Highest rainfall Machrihanish 24.2 mm
Sunniest Camborne 10.4 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: 2302 on Thu 26 Mar 2015

Weather map

Fri 0400

Weather observation map for Harrow

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