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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Edinburgh Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For a current snapshot of conditions in Grantham, check the live forecast above; this page offers a concise local briefing for Lincolnshire’s market town, focusing on what to expect today, tomorrow, and beyond from the Met Office and BBC Weather sources.
What is the weather in Grantham like today?
Grantham, situated in southern Lincolnshire roughly 25 miles east of Nottingham and 30 miles south-west of Boston on the inland fen edge, typically sees a temperate British climate. The live forecast above gives the immediate conditions, but for planning purposes, the outlook often follows a pattern of cool mornings with patchy cloud, lifting to brighter spells by midday. Winds are generally light to moderate, coming from the west or south-west, with any rain usually arriving as short, passing showers rather than prolonged downpours. For detailed hour-by-hour changes, the UK weather hub provides live updates.
Will it rain in Grantham later this week?
Rain chances in Grantham this week are moderate, with the Met Office weather Grantham forecasts indicating a band of light rain likely midweek, clearing to drier conditions by Friday. Early risers should note that mist can form over the Vale of Belvoir in the morning, especially after a damp night. For those checking the weather in Grantham tomorrow, expect any showers to be brief and intermittent, with temperatures holding close to the seasonal average.
Extended outlook and key facts
If you are looking further ahead, the weather in Grantham 10 days suggests a settled spell from the weekend, with high pressure building from the Atlantic. The bbc weather grantham 14 day outlook often shows a similar trend: a dry start followed by a return to unsettled conditions later in the period. For a 21-day view, the 21 day weather forecast Grantham typically relies on ensemble data and should be treated as a broad guide rather than a precise prediction.
Frequently Asked Questions
Where can I find the BBC Weather for Grantham for the next 7 days?
The BBC Weather site offers a 7-day forecast for Grantham; for quick access, check the live forecast above or use the bbc weather grantham 7 days search directly. The data is sourced from the Met Office and updated several times daily.
What is the difference between the Met Office and BBC Weather forecasts for Grantham?
Both use the same raw Met Office data, but BBC Weather presents a simplified, user-friendly interface. The met office weather grantham page offers more detailed charts and longer-range data, including the UKV model and ensemble probabilities.
How accurate is the 14-day weather forecast for Grantham?
Accuracy drops significantly beyond day 7. The weather grantham 14 day forecast gives a broad trend—such as unsettled or settled—but day-to-day details beyond a week are low-confidence. Check the 10 Day Weather Forecast UK for a more reliable mid-range view.