If you’re staring at the Weymouth weather 10 day forecast right now, you might be feeling a little underwhelmed. It’s January. It’s Dorset. Usually, that means a lot of grey, a bit of drizzle, and that bone-chilling wind coming off the English Channel. But honestly, Weymouth has this weird microclimate that keeps things more interesting than the national news suggests.
Right now, as we hit the middle of January 2026, the town is hunkering down for a classic Atlantic-led stretch. If you’re planning a walk along the Esplanade or heading over to Portland, you need to know that the "average" temperature doesn't tell the whole story.
The Wet and Windy Reality
Starting Wednesday, January 14, we’re looking at highs of 10°C (50°F) and lows around 3°C (37°F). It sounds mild enough, right? Wrong. The humidity is sitting at a whopping 90%, and with the wind picking up, it’s going to feel more like 0°C.
Thursday is the real kicker. There is a Yellow Warning for Rain in place. We are talking heavy, sustained downpours from 9:00 AM until midnight. If you have plans to visit the Nothe Fort or do some birdwatching at Radipole Lake, maybe keep them indoors. The Met Office is predicting gusts of up to 27 mph, and on the coast, those south winds hit hard.
- Wednesday (Jan 14): Mostly cloudy with some light rain late at night. High 10°C, Low 8°C.
- Thursday (Jan 15): The "washout" day. Heavy rain and strong winds. High 11°C, Low 6°C.
- Friday (Jan 16): Scattered showers, but a bit more breathing room. High 10°C, Low 7°C.
Why Weymouth is Always Different
You’ve probably noticed that when London is freezing, Weymouth is just... damp. That’s the sea for you. The water temperature right now is actually quite high for the season, hovering around 14.6°C. That sounds crazy, but the ocean acts like a giant radiator. It keeps the town a few degrees warmer than inland spots like Dorchester or Yeovil.
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The downside? It also feeds the clouds.
Weymouth is one of the sunniest spots in the UK on paper, but in January, you’re basically fighting for every minute of Vitamin D. Over the next ten days, the cloud cover is going to be almost constant—roughly 52% of the time, the sky will be total grey.
The 10-Day Outlook: Looking for the Break
If you can survive the rain on Thursday and Friday, the weekend actually looks semi-decent for a winter stroll.
Saturday, January 17, is the pick of the bunch. We might actually see some "sunny intervals." Temperatures will hold steady at about 10°C. It’s the kind of day where you can actually walk the dog at Bowleaze Cove without getting completely soaked.
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Moving into next week, from Monday the 19th to Wednesday the 21st, the pattern settles into "standard British winter." Expect highs of 9°C and lows of 4°C. It’s going to be overcast, but the "risk of precipitation" drops significantly compared to the start of this week.
- Sunday (Jan 18): Overcast, 9°C.
- Monday (Jan 19): Cloudy but mostly dry, 9°C.
- Tuesday (Jan 20): Still cloudy, 9°C.
- Wednesday (Jan 21): More rain likely, picking back up to 10°C.
What to Actually Pack
Look, I live for the Jurassic Coast, but don't be that person in a light hoodie. The Weymouth weather 10 day forecast is a battle between the mild air and the moisture.
Basically, you need layers. A waterproof shell is non-negotiable for Thursday. But you also want something wind-resistant. The wind chill on the Pier can be brutal, even if the thermometer says it’s 11 degrees.
And footwear? If you’re hitting the South West Coast Path, it is going to be a mud bath. The ground is saturated from the December rains (which was our wettest month at 70mm). Stick to waterproof boots or wellies if you’re heading anywhere near the cliffs.
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Misconceptions About Dorset Weather
A lot of people think that because Weymouth is "The English Riviera," it’s always pleasant. In reality, the humidity here makes the cold feel "wetter." It’s a deep chill that gets into your bones.
On the flip side, we rarely get the extreme snow that hits the north. While the rest of the country might be dealing with "The Beast from the East," Weymouth usually just gets a very cold rain. For the next ten days, the chance of snow is effectively zero. We are much more likely to see a "Yellow Warning" for wind than anything white on the ground.
Making the Most of the Forecast
If you’re a local or just visiting for a few days, here is how to play the cards you’ve been dealt:
- Museums on Thursday: The rain is going to be relentless. Hit the Weymouth Museum or do some indoor shopping in the town centre.
- Saturday Morning Walk: This is your window. Sunset is around 4:32 PM, so get out early. The light over the Chesil Beach at 3:00 PM on a partly cloudy day is actually stunning.
- Check the Tides: When you have 27 mph winds from the south (like we do on Thursday), the sea gets angry. It’s great for photos, but stay off the lower sea walls.
The Weymouth weather 10 day forecast shows a town in transition. We are moving out of the record-breaking warmth of early January and back into a traditional, damp, maritime winter. It isn't perfect beach weather, but for those who know how to dress for it, the Dorset coast remains pretty spectacular even under a blanket of grey.
Keep an eye on the Met Office updates for Thursday specifically, as those rain warnings can shift. If the wind turns more westerly, we might see those clouds clear out faster than expected. Otherwise, grab a raincoat and a warm coffee from one of the harbor cafes—you’re going to need them.
To prepare for the coming week, ensure your home’s guttering is clear before Thursday's heavy rain and check the local travel alerts if you're planning to use the trains towards London, as high winds often lead to speed restrictions on the South Western Railway lines.