London weather is a mood. Honestly, if you’ve spent more than five minutes in the capital, you know that "average" is a dirty word. Today, Saturday, January 17, 2026, we’re looking at a high of 50°F and a low of 42°F, which basically means we’re stuck in that weird, damp middle ground that defines a British winter.
It’s cloudy. Shocking, right?
Currently, the temperature in London England today is hovering at 45°F. With humidity sitting at a staggering 96%, that 45 degrees feels a lot heavier than the numbers suggest. It’s that bone-chilling dampness that creeps under your coat no matter how many layers you think you’ve got on. There’s a light 4 mph wind coming from the southeast, so it’s not exactly a gale, but it’s enough to keep the mist hanging low over the Thames.
The Real Deal on Today’s Numbers
The high of 50°F is actually relatively mild for mid-January. If you look at the historical averages for this time of year, we usually see maximums around 45°F (7°C). So, we're technically "warm," but don't go grabbing the sunglasses. The sky is a flat, unrelenting grey.
We’ve got a 10% to 20% chance of rain throughout the day and into the night. It’s the kind of "non-rain" rain—just enough to make the pavements slick and your hair frizz, but not enough to justify a massive umbrella.
What’s Actually Happening in the Atmosphere?
Meteorologists are calling this a "battleground" period. Right now, we are caught between mild Atlantic systems trying to push in from the west and a stubborn block of cold air lurking over the continent to the east.
- Current Temp: 45°F
- Peak Temp: 50°F (likely mid-afternoon)
- Overnight Low: 42°F
- Wind: 4 mph SE (6 mph gusts later)
- UV Index: 0 (basically non-existent)
If you're out and about near Westminster or taking a walk through Hyde Park, expect it to feel "murky." That's the technical term—or at least the one the Met Office loves to use. The visibility isn't great, and the cloud cover is thick enough to block out any hope of a January sunset.
Looking Ahead: The "Weather War"
While today is fairly stable, the temperature London England today is the calm before a potential storm. Forecasters are keeping a very close eye on the end of the month. Around January 26 to 27, we might see these "milder" 50°F days vanish. There’s a high degree of uncertainty, but some models are showing a "purple alert" for snow as we head toward the 30th.
The BBC is already flagging a potential drop to 32°F (0°C) with sleet showers by the month's end. Basically, enjoy the 50°F while it lasts, because the "Beast from the East" vibes are definitely knocking on the door for February.
Survival Tips for a Damp Saturday
- Waterproofs over Wool: Since the humidity is at 96%, a wool coat will just act like a giant sponge. Go for something with a shell.
- Footwear: The 20% precipitation chance means damp pavements. Leave the suede shoes at home.
- Moisturize: Paradoxically, this damp air combined with indoor heating wreaks havoc on your skin.
Don't let the "cloudy" forecast ruin the day. London thrives in the grey. Grab a coffee, hit a museum, and remember that at least it's not the 28°F freeze we had at the start of the month.
Check the local sensors if you're traveling between zones; the "Urban Heat Island" effect often keeps Central London a degree or two warmer than the suburbs like Croydon or Richmond. If you're heading out tonight, that 42°F low will feel plenty cold once the sun goes down at 4:26 PM, so keep the scarf handy.
Next Steps for Your Day:
If you're planning an outdoor event, keep an eye on the wind speed. While it's only 4 mph now, it’s expected to pick up slightly to 6 mph by evening, which could make the "feels like" temperature drop significantly as the humidity stays high.