London weather is a mood. Honestly, if you’ve lived here long enough, you know the "Forest City" doesn’t just have seasons; it has dramatic episodes. Today, Sunday, January 18, 2026, we’re smack in the middle of a cold one.
Currently, it’s a crisp 8°F out there. But let’s be real—the number on the thermometer is a liar. With the wind kicking up from the southwest at 10 mph, it actually feels like -6°F. That’s the kind of cold that bites your cheeks the second you step off your porch. The sky is partly cloudy for now, but don't let that peek-a-boo moon fool you.
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What’s Happening Today?
We are looking at snow showers basically all day and night. It’s not a massive blizzard, but it’s persistent. The high is struggling to hit 16°F, and tonight it’s dipping back down to 7°F.
The humidity is sitting high at 84%, which makes that cold feel "wet" and heavy. You know the feeling—the kind of damp chill that settles into your bones no matter how many layers you throw on.
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- Daytime: Snow showers with a 20% chance of precipitation.
- Nighttime: More snow showers, and the odds jump to 25%.
- Wind: Steady from the southwest at 10 mph.
The Lake Effect Legend
Why is London always like this? It’s the geography. We are perfectly positioned between Lake Huron and Lake Erie. When that cold Arctic air sweeps over the relatively warmer lake waters, it picks up moisture and dumps it right on our driveways. This is why you can have a clear sky in St. Thomas and a total whiteout on Highbury Avenue.
Environment Canada and local experts often point out that London's winter "personality" is shaped by these snow squalls. They are narrow, intense, and incredibly unpredictable. One minute you're driving in sun, and the next, you can't see the bumper of the car in front of you.
Surviving the Chill
If you're heading out, here’s the reality: the UV index is a 1, so you don't need the sunscreen, but you definitely need the heavy-duty parka.
Visibility can get tricky during those snow showers, especially with the 81% humidity currently hanging in the air. The roads might look okay, but that "feels like" temperature means any moisture on the pavement is likely turning into a thin sheet of ice.
- Check your tires. If you’re still running all-seasons in mid-January, you’re playing a dangerous game.
- Layer up. A base layer to wick moisture, a middle layer for insulation, and a shell to block that southwest wind.
- Clear the car. Don't be that person driving with a foot of snow on their roof. It’s a hazard to everyone on the 401.
Honestly, the weather forecast London Ontario shows a pretty standard mid-winter stretch. It’s cold, it’s snowy, and it’s very "London." Keep an eye on those lake-effect bands if you have to travel toward Sarnia or up toward Grand Bend, as things usually get hairier the closer you get to the water.
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Stay warm and maybe keep the shovel by the door. You’re going to need it before the night is through.
Next Steps for Your Day:
Check the local transit alerts if you're taking the bus, as snow showers often cause minor delays on main routes like Richmond and Dundas. If you're driving, give yourself an extra ten minutes to defrost the windshield—that -6°F wind chill is making the frost stick harder than usual.