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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the BritainNow weather desk. Data from national met services via Open-Meteo.
Check the live forecast above before heading out in Castle Cary today — it gives you the immediate conditions so you can plan whether you need a coat or an umbrella, based on the latest data from the Met Office.
Will it rain in Castle Cary today?
The live forecast above shows the chance of rain hour by hour, so you can see when showers are most likely. Castle Cary sits in a valley and can catch passing bands of rain moving in from the southwest, so keep an eye on those symbols if you’re planning a walk around the High Street or the fields near the River Brue.
Is this weekend looking settled?
Temperatures in the live forecast above give you a feel for the weekend trend — but remember that exposed spots around the town can feel a couple of degrees cooler. For a fuller picture, you can check our 10 Day Weather Forecast UK page, which pulls together data from the Met Office and BBC Weather.
Does Castle Cary have its own weather station?
Not a public one. The closest official Met Office observation site is at Yeovilton, about 12 miles east. Conditions in Castle Cary can differ slightly due to its sheltered valley position, so the live forecast above is your best local guide.
Can I get a weather alert for Castle Cary?
Yes. The Met Office issues yellow, amber and red weather warnings for the whole South West region. Keep an eye on BBC News and the Met Office website for any alerts affecting Castle Cary.
How do I find the 14-day forecast for Castle Cary?
Most forecast services, including the Met Office and BBC Weather, offer up to 14 days. However, accuracy drops significantly after day 7. For a reliable outlook, stick to the 10-day forecast and check the live forecast above daily.