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Harrow

YELLOW Warnings in force for Greater London
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Harrow last 24 hours
  • Fri Friday
    22°C 17°C
    Cloudy
  • Sat Saturday
    19°C 12°C
    Cloudy
  • Sun Sunday
    17°C 10°C
    Sunny intervals
  • Mon Monday
    16°C 11°C
    Sunny day
  • Tue Tuesday
    17°C 11°C
    Cloudy
Friday
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Cloudy Sunny intervals Sunny intervals Cloudy Partly cloudy night Cloudy Cloudy Thunder Light shower night
17 19 19 20 21 22 22 22 22 21 21 20 20 19
Warnings for Greater London
Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Feels like temperature (°C) arrow down
17 19 19 20 22 23 23 23 22 22 21 21 20 19
Precipitation probability arrow down
<5% <5% <5% <5% <5% <5% <5% <5% 10% <5% 10% 10% 55% 35%
Wind direction, speed & gust (mph) arrow down
E 7 12 ESE 6 10 SE 7 11 SE 6 10 SSE 3 7 SSE 3 5 NE 3 6 NNE 4 7 NE 5 8 NNE 5 10 NNE 6 11 NE 6 12 ENE 6 12 N 5 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M M G G M G G G M M M
Humidity arrow down
86% 81% 82% 79% 75% 73% 73% 74% 75% 76% 77% 83% 85% 86%
UV index arrow down
2 2 3 3 3 2 1 1 1 0 0 0 0 0
Sunrise: 06:42 Sunset: 19:07 Moon phase: Third quarter 5 Daily air quality index*
Saturday
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Light shower night Cloudy Cloudy Light shower night Light shower night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Light rain Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
18 18 18 18 17 17 17 17 17 17 17 17 18 18 18 18 18 18 18 17 17 16 16 16
Warnings for Greater London
No warnings for Saturday
Feels like temperature (°C) arrow down
19 18 18 18 18 18 18 17 17 17 17 17 17 18 18 18 17 17 17 16 16 15 15 14
Precipitation probability arrow down
30% <5% <5% 35% 30% 10% 10% 10% 10% 10% 10% 45% 15% 10% 15% 15% 15% 15% 10% 10% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
NE 5 11 NNE 5 10 NNE 4 8 NNE 4 9 NNE 5 9 NNE 4 8 NNE 4 9 NNE 4 8 NNE 5 10 NNE 5 10 NNE 5 10 NNE 5 10 NNE 6 12 NNE 6 12 NNE 7 14 N 7 15 N 8 16 N 8 17 N 8 17 N 8 17 N 8 17 NNE 8 17 NNE 9 18 NNE 9 18
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M M M M M M M M M G G G G G G VG VG VG G G G
Humidity arrow down
88% 91% 93% 94% 94% 94% 95% 95% 95% 93% 92% 90% 89% 84% 81% 79% 77% 76% 76% 76% 78% 80% 83% 84%
UV index arrow down
0 0 0 0 0 0 0 1 1 1 1 2 2 3 2 2 1 1 1 0 0 0 0 0
Sunrise: 06:44 Sunset: 19:05 Moon phase: Third quarter 2 Daily air quality index*
Sunday
0000 0100 0400 0700 1000 1300 1600 1900 2200
Overcast Cloudy Partly cloudy night Sunny day Sunny day Sunny intervals Cloudy Cloudy Partly cloudy night
15 15 14 12 14 16 17 16 14
Warnings for Greater London
No warnings for Sunday
Feels like temperature (°C) arrow down
14 13 12 11 12 14 15 14 13
Precipitation probability arrow down
15% 15% <5% <5% <5% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
NNE 9 19 NNE 10 21 NNE 8 17 N 7 14 NNE 9 18 NNE 10 20 NNE 10 20 NNE 8 18 NNE 6 13
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G VG VG VG G VG
Humidity arrow down
85% 85% 83% 85% 75% 60% 54% 60% 68%
UV index arrow down
0 0 0 1 2 4 1 0 0
Sunrise: 06:45 Sunset: 19:02 Moon phase: Waning crescent 2 Daily air quality index*
Monday
0100 0400 0700 1000 1300 1600 1900 2200
Clear night Clear night Sunny day Sunny day Sunny intervals Sunny day Clear night Partly cloudy night
12 11 10 12 14 15 16 14
Warnings for Greater London
No warnings for Monday
Feels like temperature (°C) arrow down
12 11 10 12 14 15 15 14
Precipitation probability arrow down
<5% <5% <5% <5% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
N 4 8 NNE 4 8 N 3 6 NNE 3 7 ENE 3 9 ESE 3 9 NE 3 7 ENE 3 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG G G VG VG VG VG
Humidity arrow down
76% 83% 87% 78% 63% 59% 61% 69%
UV index arrow down
0 0 1 2 3 1 0 0
Sunrise: 06:47 Sunset: 19:00 Moon phase: Waning crescent 2 Daily air quality index*
Tuesday
0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Cloudy Cloudy Sunny intervals Cloudy Cloudy Partly cloudy night Cloudy
13 12 11 13 16 17 16 15
Warnings for Greater London
No warnings for Tuesday
Feels like temperature (°C) arrow down
13 12 11 12 15 16 15 14
Precipitation probability arrow down
<5% <5% <5% <5% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
SSE 3 5 SE 3 5 NW 3 5 SSE 4 8 SE 5 12 S 5 12 WNW 5 11 WSW 5 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG G VG VG VG VG VG
Humidity arrow down
76% 82% 84% 76% 63% 57% 58% 67%
UV index arrow down
0 0 1 2 3 1 0 0
Sunrise: 06:49 Sunset: 18:58 Moon phase: New 2 Daily air quality index*
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Issued at: 1000 on Fri 19 Sep 2014

* Daily index representing the background and regional air quality for a chosen location. Air pollution levels close to roads in urban areas may be higher. For more information please visit our Daily Air Quality Index page.

Forecast Summary

  • Regional
  • UK 5 days
  • UK 6-30 days

Regional forecast for London & South East England

Warm, sunny spells but also a risk of thundery downpours.

Today:

Further heavy, thundery showers affecting the region at times through today, some slow moving giving downpours in places. However, a good deal of dry weather in between the showers with warm, sunny spells developing. Maximum Temperature 25C.

Tonight:

Heavy showers and thunderstorms continuing to affect the region overnight, these slow moving giving downpours in places. A mild night with low cloud, mist and fog patches returning. Minimum Temperature 15C.

Saturday:

Heavy, thundery showers around into the morning and generally cloudy with fog in places. Showers mostly clearing by afternoon with some bright or sunny spells developing. Warm again. Maximum Temperature 22C.

Outlook for Sunday to Tuesday:

Any early rain soon clearing on Sunday. Thereafter, generally dry with good spells of sunshine. Some chilly mornings and feeling fresher than of late but feeling pleasant in light winds.

Issued at: 0500 on Fri 19 Sep 2014

UK forecast for the next 5 days

Scattered thunderstorms in south. Remaining dull for some northeastern parts.

Today:

Another misty start for many, particularly eastern areas, brightening up away from the northeast coast, with warm sunny spells developing. Scattered heavy, thundery showers will affect southern and central parts, though many places dry throughout. Showery rain northeast Scotland later.

Tonight:

Showers will tend to become more isolated by evening, but some heavy thundery downpours are still possible in the south. Murky conditions in the east will spread westwards overnight again.

Saturday:

Mist and drizzle at first in northeastern places, but brighter, fresher conditions gradually spreading south later. Otherwise largely dry with isolated thundery showers, mainly in the south.

Outlook for Sunday to Tuesday:

Mainly fine with sunny spells, though feeling less warm with chilly nights. Cloudier with rain into the far northwest later Monday, this spreading slowly southeastards across Scotland on Tuesday.

Issued at: 0500 on Fri 19 Sep 2014

Outlook for the UK over the next 6-30 days

UK Outlook for Tuesday 23 Sep 2014 to Thursday 2 Oct 2014:

At first it should be dry for most with some good sunny spells. Northwestern areas though are likely to be cloudier with some rain or drizzle. It will also be breezy here with the risk of gales in the far northwest. As we go through the week the more unsettled conditions look set to spread across many northern and western parts, with some heavy spells of rain. Southern, and southeastern areas in particularly, are probably going to hold onto the drier and brighter weather with some sunny periods, and perhaps a few showers. Temperatures will be around normal, if not warm in the south and east. The setup looks to remain similar heading into the following week; unsettled in the north and west, some rain in the south and east.

UK Outlook for Friday 3 Oct 2014 to Friday 17 Oct 2014:

The UK is likely to see changeable conditions through this period, with a mixture of fine and settled weather, interspersed with occasional unsettled spells. The drier and brighter conditions are expected to be most prolonged across the south and east. Here, daytime temperatures are likely to be around, and often above, average with some warm sunshine. However it could turn quite chilly during the nights, with a risk of fog patches in places. Northern and western parts are likely to see more in the way of outbreaks of rain. Daytime temperatures here are set to be below or close to average.

Issued at: 0500 on Fri 19 Sep 2014

Weather Map

Fri 1100

View weather map for Harrow

Harrow Cloudy 51.5801 -0.3404
Reading Cloudy 51.4523 -0.9724
Milton Keynes Overcast 52.0382 -0.7555
Rochester Sunny intervals 51.3875 0.5084
Cambridge Cloudy 52.2075 0.124
Brighton Sunny day 50.822 -0.1356
Banbury Overcast 52.0625 -1.3383
Swindon Overcast 51.5556 -1.7784
Southampton Cloudy 50.9093 -1.403
Peterborough Heavy rain 52.569 -0.2388
Ipswich Sunny intervals 52.0563 1.1499
Dover Sunny intervals 51.1259 1.3179
Birmingham Light rain 52.4859 -1.889
Boston Overcast 52.9786 -0.0249
Norwich Cloudy 52.6305 1.2991
Nottingham Overcast 52.9545 -1.1565
Hereford Overcast 52.056 -2.7146
Yeovil Cloudy 50.9416 -2.632
Lincoln Heavy rain 53.2304 -0.539
Cardiff Light rain 51.4812 -3.1778

Location Details

Harrow

Location: 51.5801, -0.3404

Altitude: 64m above mean sea level

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