7 Day Forecast for London
Sunset: 16:34.
Dusk: 17:09.
Moon: 100% (visible all night)
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Met Office Forecast
South East England
Bands of rain and strong winds this weekend.
Today:
A dry but windy start for most. A band of locally heavy and squally rain will arrive from the west by midday, with isolated coastal gales possible. Rain clearing eastwards by evening. Feeling very mild throughout. Maximum Temperature 16C.
Tonight:
Mostly dry to start this evening but remaining rather breezy with strong gusts possible. Remaining mild as another band of rain and strong winds arrives from the west overnight. Minimum Temperature 8C.
Sunday:
A generally windy and damp day ahead with successive bands of rain arriving from the west. Feeling mild or perhaps very mild later. Maximum Temperature 17C.
Outlook for Monday to Wednesday:
Breezy with sunshine and showers Monday and Tuesday. Winds may become briefly strong at times. Feeling much cooler compared to the weekend. Becoming settled, dry and cold by Wednesday.
Day 6-7 and Week 2:
Following the very unsettled period we are now in, conditions across the UK are expected to become less unsettled and generally much drier, brighter, more settled conditions are likely to be established. Wednesday will probably see plenty of sunshine with some showers, the heaviest of these in the south and southeast. Temperatures will generally be slightly below normal through to the end of the week. Throughout the rest of the period many areas will be dry and settled and as winds fall light for many, overnight frost and morning fog will become more prevalent, especially in the south. Any more changeable, windier conditions are likely to occur in the far north. These generally settled conditions will probably persist through the end of the period with temperatures returning to near normal.
Week 3 and 4:
Settled weather is likely to continue until late November, with high pressure looking to dominate especially in the south of the UK. This will bring generally dry conditions, especially for the south, with any spells of wet and windy weather mostly confined to the north. Towards the latter part of November the current signals suggest an autumnal setup, with unsettled conditions developing more widely. However, a return to settled, dry conditions is likely by early December.
Met Office : South East England : 2020-10-31T03:05:31
Daylight : London
Day length is dusk to dawn. Times will vary a little if there is a hill on the horizon.
It should still be light enough to read at dawn and dusk, so there will be enough light for walking even earlier (later).
Moonlight : London
Notes
- The moon's phase or fracillum (percentage of the moon illuminated) doesn't vary much with location.
- A full moon is not just bigger, its much brighter. A half moon ('50%') give less than 5% of the illumination of a full moon. You can walk with a half moon if its high in the sky (after dusk for a growing moon, before dawn for a shrinking moon).
- Sky glow (light reflected by air or clouds) from nearby cities, and especially snow on the ground also effect light levels.
- Times will vary a few minutes, as (i) these figures are for the centre of the county the walk is in, (ii) if there are hills on the horizon, and (iii) if you are on a hill
- Of course, you need a cloudless night as well!