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Northolt (nearest observation site to Harrow)

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Harrow forecast
Tue 23 Aug 2016
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Clear night Clear night
21.8 ° 25.0 ° 27.1 ° 28.9 ° 29.5 ° 29.8 ° 29.4 ° 29.8 ° 28.7 ° 27.5 ° 26.3 ° 24.4 ° 23.0 ° 20.9 °
Wind direction, speed & gust (mph) arrow down
S 6 SE 8 S 10 S 8 S 13 SSE 14 S 11 S 13 S 9 SSE 13 SSE 8 SSE 6 S 2 SE 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 E E E E E
Humidity arrow down
49% 44% 42% 40% 38% 36% 36% 37% 40% 44% 48% 56% 63% 72%
Pressure (hPa) arrow down
1024 1024 1023 1022 1022 1021 1020 1020 1020 1019 1019 1020 1019 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F F F F F
Wed 24 Aug 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000
Clear night Clear night Clear night Clear night Clear night Clear night Clear night Cloudy Sunny intervals Sunny intervals Sunny day
19.5 ° 18.7 ° 18.0 ° 17.4 ° 16.9 ° 16.6 ° 16.6 ° 17.0 ° 18.6 ° 22.6 ° 24.3 °
Wind direction, speed & gust (mph) arrow down
W 2 NW 5 N 0 ENE 1 N 1 NW 2 NNW 2 E 1 NNW 3 N 5 NE 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E VG E E VG VG VG VG E E
Humidity arrow down
79% 84% 88% 87% 93% 92% 91% 91% 85% 67% 57%
Pressure (hPa) arrow down
1019 1019 1018 1018 1018 1018 1018 1018 1018 1018 1018
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F R R R R
More detail arrow down

Issued at: 1000 on Wed 24 Aug 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

London & South East England extremes

Parameter Location Value
Highest maximum temperature Heathrow 31.0 °C
Lowest maximum temperature St Catherines Point 23.9 °C
Lowest minimum temperature South Newington 10.0 °C
Highest rainfall St James Park 7.0 mm
Sunniest Odiham 12.8 hours

UK extremes

Parameter Location Value
Highest maximum temperature Cambridge Niab 31.0 °C
Lowest maximum temperature Inverbervie 14.0 °C
Lowest minimum temperature Braemar 5.4 °C
Highest rainfall Thomastown 14.6 mm
Sunniest Wattisham 13.2 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 Wed 24 Aug 2016

Weather map

Wed 1000

Weather observation map for Harrow

Harrow Harrow – Sunny day 51.5801 -0.3404
Benson Benson – Sunny intervals 51.62 -1.097
Bedford Bedford – Overcast 52.225 -0.464
Gravesend-Broadness Gravesend-Broadness – No data 51.464 0.314
Bedford Bedford – Overcast 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 – Sunny intervals 51.149 -1.57
Wittering Wittering – Sunny day 52.6111 -0.459
Wattisham Wattisham – Sunny day 52.123 0.961
Langdon Bay Langdon Bay – No data 51.133 1.348
Coleshill Coleshill – Sunny day 52.48 -1.689
Coningsby Coningsby – Sunny intervals 53.094 -0.171
Weybourne Weybourne – Sunny day 52.949 1.127
Watnall Watnall – Sunny day 53.005 -1.25
Hereford Hereford – Overcast 52.083 -2.8
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Waddington Waddington – Sunny day 53.175 -0.521

Location Details

Harrow

Location: 51.5801, -0.3404

Altitude: 64.0 m above mean sea level

Northolt

Location: 51.548, -0.415

Altitude: 40.0 m above mean sea level

Distance from Harrow: 6.3 km