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Northolt (nearest observation site to Harrow)

Recent locations
Harrow forecast
  • Tue
  • Wed
Tue 03 Mar 2015
0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Cloudy Cloudy Overcast Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night
2.4 2.8 3.0 3.5 4.3 5.1 5.3 6.6 8.2 8.0 8.3 8.5 8.8 8.1 7.3 6.3 5.5 4.7 4.1 3.7 3.3
Wind direction, speed & gust (mph) arrow down
S 3 SW 5 S 5 SSW 8 SW 10 WSW 7 W 14 W 14 WNW 16 W 17 WNW 19 WNW 17 29 W 22 34 W 18 W 22 33 W 16 29 W 15 W 14 W 13 W 11 WSW 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E VG VG E E E E E E E E E E E E E E E VG E
Humidity arrow down
84% 83% 86% 85% 85% 83% 83% 75% 55% 46% 50% 43% 40% 45% 45% 49% 54% 60% 65% 67% 69%
Pressure (hPa) arrow down
1015 1014 1013 1013 1012 1013 1014 1014 1015 1015 1015 1016 1016 1016 1017 1018 1019 1019 1020 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F R R R R R R R R R R R R R R R
Sunrise: 06:42 Sunset: 17:44 Moon phase: Waxing gibbous
Wed 04 Mar 2015
0000 0100 0200 0300
Clear night Clear night Clear night Cloudy
2.8 2.7 2.4 2.3
Wind direction, speed & gust (mph) arrow down
WSW 10 W 9 W 11 W 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E VG E E
Humidity arrow down
72% 75% 80% 82%
Pressure (hPa) arrow down
1022 1022 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R
Sunrise: 06:40 Sunset: 17:46 Moon phase: Full
leftEarlier Laterright
More detail arrow down

Issued at: 0300 on Wed 04 Mar 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

London & South East England extremes

Parameter Location Value
Highest maximum temperature St James Park 10.3 °C
Lowest maximum temperature Kenley 7.9 °C
Lowest minimum temperature Alice Holt Lodge -0.5 °C
Highest rainfall Wiggonholt 5.8 mm
Sunniest Odiham 7.5 hours

UK extremes

Parameter Location Value
Highest maximum temperature St James Park 10.3 °C
Lowest maximum temperature Aviemore 2.1 °C
Lowest minimum temperature Loch Glascarnoch -4.0 °C
Highest rainfall Cluanie Inn 22.6 mm
Sunniest Shawbury 9.3 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: 2304 on Tue 03 Mar 2015

Weather map

Wed 0300

Weather observation map for Harrow

Harrow Harrow – Cloudy 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 – Clear night 53.094 -0.171
Weybourne Weybourne – Cloudy 52.949 1.127
Watnall Watnall – Clear night 53.005 -1.25
Hereford Hereford – Clear night 52.083 -2.8
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Waddington Waddington – Clear night 53.175 -0.521
St-Athan St-Athan – Partly cloudy 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