Honestly, if you're planning to head into Central London this week, don't leave the house without a decent pair of boots. The city is currently caught in a weird tug-of-war between mild Atlantic air and a stubborn chill creeping in from the east. It’s making for a pretty unpredictable London 14 day weather forecast.
Right now, we're seeing temperatures hovering around 9°C during the day, which isn't exactly freezing, but the dampness makes it feel a lot sharper.
What’s happening with the fog?
If you woke up today, January 16, and couldn't see the Shard, you weren't alone. The Met Office actually issued a yellow weather warning for fog across London and the South East this morning. It’s been thick enough to mess with the morning commute and cause some headaches at Heathrow.
Visibility dropped significantly, and while it’s clearing up a bit this afternoon, that grey, heavy lid isn't going anywhere fast.
Basically, the next few days are going to be a bit of a "wash and repeat" cycle. We’re looking at highs of about 10°C on Sunday, January 18, and lows staying safely above freezing at 6°C. It’s "mild" for January, sure, but it's that grey, overcast mildness that London is famous for. You know the type. The sky looks like a wet wool blanket.
Breaking down the London 14 day weather forecast
Looking into next week, things start to get a bit more interesting, or annoying, depending on your perspective. By Tuesday, January 20, we’re expecting a more generally cloudy sky with some light rain moving in.
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It's not going to be a washout, but you'll definitely want a hood.
The mid-week dip
Around Wednesday and Thursday (January 21-22), the mercury takes a bit of a tumble. We're looking at daytime highs dropping to around 7°C. The nights will get crisp too, with lows hitting 2°C or 3°C.
If you’ve got plants on the balcony, this is when you might see the first real frost of the fortnight.
Here is the rough trajectory for the next two weeks based on current meteorological models:
- Late this week: Foggy starts, mostly overcast, highs of 9°C.
- Early next week: Increasing cloud cover, sporadic drizzle, staying around 8°C.
- The "Big Chill" (Jan 23-25): Temperatures dip. Expect highs of 6°C or 7°C and much more "bite" in the air.
- The final stretch (Jan 26-30): A potential return to unsettled, wetter weather as low pressure moves in from the west.
One thing that’s really standing out in the London 14 day weather forecast is the lack of any major "Beast from the East" style snow event. While places like Scotland are dealing with half a metre of snow, London is mostly just dealing with... well, puddles.
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The Met Office noted that while Atlantic systems are trying to push through, they’re losing steam by the time they hit the M25. This means we get the clouds and the humidity without necessarily getting the dramatic storms.
Should you trust the long-range charts?
Weather forecasting in the UK is notoriously difficult because we’re basically a small rock sitting between a massive ocean and a massive continent.
Most experts, including those at the BBC and the Met Office, agree that the end of January will likely stay "changeable." That's code for "we aren't 100% sure if it'll be raining or just very cloudy."
However, there is a tentative sign that the final few days of the month (January 28-30) could see a slight temperature recovery back up to 10°C or 11°C, though this usually comes with windier conditions.
Practical tips for the London chill
If you're out and about, layer up. The humidity in London—often sitting around 80% this time of year—means the cold gets into your bones much faster than a "dry" cold would.
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- Footwear matters: The pavements are greasy right now from the fog and light rain. Skip the flat-soled sneakers.
- Check the trains: Fog warnings often mean speed restrictions on the rail lines coming into Waterloo or Victoria. Give yourself an extra 15 minutes.
- Skin care: The transition from 4°C wind to a 22°C heated Tube carriage is brutal on your skin. Moisturize. Trust me.
The London 14 day weather forecast doesn't show any major disasters on the horizon, but it’s definitely "big coat" weather for the foreseeable future.
Keep an eye on the morning updates if you’re driving, as that fog has a habit of sticking around in the Thames Valley longer than expected.
Pack a compact umbrella. Keep your layers flexible. Watch out for those slippery leaves that are still hanging around on the side streets.
Actionable Next Steps:
Check the live TFL status before heading out if fog persists, as visibility issues often trigger minor delays on overground sections. If you're planning outdoor photography or sightseeing at the Shard or Sky Garden, aim for the mid-afternoon window when the morning mist is most likely to have burnt off. For those traveling later in the week, ensure your vehicle's anti-freeze and tire pressure are checked, as night temperatures will hover near freezing.