If you’re staring out the window at the Greyfriars ruins today, you’re probably wondering if the sky is ever going to stop looking like a wet wool blanket. It's January in Gloucester. Honestly, "grim" is often the default setting. But if you’ve been checking the Gloucester 10 day forecast, you know the next week and a half is looking like a total rollercoaster of freezing dips and soggy surges.
Don't just trust the little cartoon icons on your phone. They're often misleading.
The big story right now isn't just the cold; it's the River Severn. As of January 14, 2026, the Environment Agency has already flagged rising river levels. We’re looking at peaks at Sandhurst and Maisemore over the next 24 to 48 hours. If you usually take the dog for a run along the low-lying paths near Hempstead or Alney Island, basically, don't. The ground is saturated, and more rain is coming.
The Immediate Outlook: Rain, Ice, and the Severn’s Mood
The start of this Gloucester 10 day forecast is a bit of a mess. Wednesday is staying relatively mild with highs of 44°F ($6.7$°C), but it’s that "damp-to-your-bones" kind of mild. Tonight, things take a sharp turn. We’re expecting temperatures to plummet toward 30°F ($-1$°C), turning today's puddles into tomorrow's skating rinks.
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Thursday, January 15, looks particularly tricky. While we might see some brief sunny spells, there is a legitimate chance of light snow or sleet mixing in with the rain.
Why the Wind Chill is the Real Enemy
The raw numbers on your screen—like a high of 43°F—don't tell the whole story. On Friday, the wind is expected to kick up significantly, with gusts hitting 25-30 mph coming off the west. It’s going to feel significantly colder than the thermometer suggests.
Think 20°F ($-6$°C) instead of 33°F.
- Wednesday, Jan 14: Mostly cloudy, late rain. High 44°F / Low 30°F.
- Thursday, Jan 15: Morning sleet possible, turning to light rain. High 44°F / Low 37°F.
- Friday, Jan 16: Bitterly cold wind. Mostly cloudy. High 48°F / Low 40°F.
That Friday "high" looks better on paper, but with the humidity sitting at nearly 90%, the air is going to feel heavy and freezing.
The Mid-Week Dip: Is Snow Actually Coming?
Everyone in Gloucestershire starts whispering "snow" the moment the temperature drops below five degrees. By the weekend (January 17-18), the Gloucester 10 day forecast shows a persistent "rain and snow" mix.
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Here is the reality: Gloucester is low. We sit in the Vale. While the Cotswolds might get a lovely dusting of white that looks great on Instagram, we usually just get "slush." The forecast for Saturday shows a high of 48°F and a low of 40°F. That is simply too warm for anything to stick. You'll likely see white flakes in the air, but they'll vanish the second they hit the pavement near the Docks.
Navigating the "January Slump"
Monday and Tuesday (Jan 19-20) continue this trend of "unsettled" weather. Meteorologists are watching a low-pressure system moving across the Atlantic that could bring heavier rain to the West Country.
Expect:
- High Humidity: Dampness that makes it hard to dry laundry indoors without a dehumidifier.
- Poor Visibility: Mist and fog are likely in the mornings, especially near the Gloucester-Sharpness Canal.
- Low UV: It’s basically zero. You won't see much sun.
The Long View: Toward January 23
As we look toward the end of the Gloucester 10 day forecast, around Friday, January 23, things might finally start to stabilize, though "stabilize" in January just means it stops raining for five minutes. Temperatures will hover in the mid-40s.
We’re seeing a slight shift in wind direction toward the southeast by the 21st, which usually brings a slightly drier air mass, but don't hold your breath for a heatwave. It’s still Gloucestershire in the dead of winter.
Actionable Survival Tips for the Next 10 Days
You've gotta be smart about this weather. It's not just about an umbrella; it's about timing.
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- Check the River Levels Daily: If you live in Alney Island or near the Westgate bridge, keep the GOV.UK flood alert page bookmarked. The Severn is slow to rise but also slow to recede.
- Salt Your Walkways Tonight: With the drop to 30°F tonight, any standing water from today's rain will freeze. Don't be the person who slips on their own driveway tomorrow morning.
- Layers Over Heavy Coats: Because the humidity is so high (80-90%), you'll sweat if you're walking quickly, then freeze the moment you stop. Wicking base layers are your best friend.
- Mind the Wind: Friday's gusts are strong enough to knock over empty bins. Pull them in tight to the house.
Essentially, the next 10 days in Gloucester are defined by "The Three S's": Sleet, Slush, and the Severn. Stay dry, keep the heating on a low-and-slow setting to battle the damp, and maybe keep a pair of wellies in the boot of the car just in case the lanes near Minsterworth decide to become ponds.
To stay ahead of the damp, check your guttering today before the heavier rain hits on Thursday, and ensure your car's anti-freeze levels are topped up before the Friday freeze.