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Northolt (nearest observation site to Harrow)

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Harrow forecast
Sat 23 May 2015
0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Overcast Cloudy Overcast Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Overcast
14.6 13.9 13.1 12.4 12.6 13.3 14.4 15.3 16.2 17.1 16.8 15.7 13.0 14.4 15.3 15.7 15.6 14.6 13.6 13.1 12.7
Wind direction, speed & gust (mph) arrow down
NNW 7 NNW 8 N 6 N 7 N 7 N 8 N 10 N 8 NNE 9 N 11 NE 11 E 13 E 13 E 10 ESE 7 E 8 SE 8 SSE 8 SSE 8 SE 7 SE 8
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 VG VG VG VG VG E E E E E E E VG
Humidity arrow down
80% 83% 80% 84% 80% 76% 75% 72% 68% 68% 69% 76% 83% 56% 49% 49% 49% 50% 54% 59% 56%
Pressure (hPa) arrow down
1024 1024 1024 1024 1024 1025 1025 1025 1025 1025 1025 1025 1025 1025 1025 1024 1024 1024 1024 1024 1024
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
S F F F R R R R R S S R R F F F F F F R R
Sunrise: 04:59 Sunset: 20:57 Moon phase: Waxing crescent
Sun 24 May 2015
0000 0100 0200 0300
Overcast Overcast Overcast Cloudy
12.6 12.1 12.0 12.0
Wind direction, speed & gust (mph) arrow down
SSE 6 SSE 6 S 5 S 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG
Humidity arrow down
60% 62% 63% 68%
Pressure (hPa) arrow down
1024 1023 1023 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F
Sunrise: 04:57 Sunset: 20:59 Moon phase: Waxing crescent
More detail arrow down

Issued at: 0300 on Sun 24 May 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

London & South East England extremes

Parameter Location Value
Highest maximum temperature Otterbourne Water Works 20.6 °C
Lowest maximum temperature Langdon Bay 12.3 °C
Lowest minimum temperature South Newington 8.7 °C
Highest rainfall St James Park 0.6 mm
Sunniest Reading University 8.1 hours

UK extremes

Parameter Location Value
Highest maximum temperature Hurn 21.2 °C
Lowest maximum temperature Fair Isle 10.1 °C
Lowest minimum temperature Braemar -2.4 °C
Highest rainfall Harris Quidnish 10.8 mm
Sunniest Morecambe 13.3 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: 0002 on Sun 24 May 2015

Weather map

Sun 0300

Weather observation map for Harrow

Harrow Harrow – Cloudy 51.5801 -0.3404
Benson Benson – Overcast 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) – Cloudy 51.86 -1.692
Lyneham Lyneham – Partly cloudy night 51.5031 -1.9924
Middle Wallop Middle Wallop – Partly cloudy night 51.149 -1.57
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 – Mist 53.005 -1.25
Hereford Hereford – Clear night 52.083 -2.8
Yeovilton Yeovilton – Clear night 51.006 -2.64
Waddington Waddington – Partly cloudy 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