Grantham Weather
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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Policyline weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For Grantham, the live forecast above shows the current conditions and the outlook for the coming hours, with a mix of cloud and clear spells expected overnight. This page gives you the key details for planning your day in the Lincolnshire market town, including the week ahead and links to longer-range outlooks.
What is the weather in Grantham tomorrow?
Tomorrow in Grantham, expect a dry start with some early brightness, though cloud will thicken from the west through the afternoon. The Met Office suggests a moderate breeze from the southwest, with temperatures staying near the seasonal average for this inland Lincolnshire town, which sits between Nottingham and Peterborough.
How does the 10-day forecast look for Grantham?
Looking at the weather in Grantham 10 days ahead, the pattern remains unsettled but generally mild. A band of rain is likely mid-week, followed by drier, brighter conditions towards the weekend. For a detailed breakdown, check our 10 Day Weather Forecast UK page, which covers the wider region including the Vale of Belvoir.
Frequently Asked Questions
Is the BBC weather for Grantham reliable for a 14-day forecast?
The BBC weather Grantham 14 day forecast gives a general trend, but accuracy drops significantly after day 7. For planning, the weather in Grantham tomorrow and the next 3–5 days is far more dependable.
Where can I find the Met Office weather for Grantham?
The Met Office weather Grantham page provides official warnings and hourly data. It’s the best source for severe weather alerts, especially if you’re commuting to nearby towns like Nottingham or Newark.
What is the 21-day weather forecast for Grantham?
A 21 day weather forecast Grantham is a long-range outlook showing broad pressure patterns, not precise daily conditions. Use it to spot potential settled or stormy periods, but check the live forecast above for current details.
Sources
For other parts of the region, see our Nottingham weather page or the UK weather hub for the latest across the country. If you’re looking further ahead, the 10 Day Weather Forecast UK page covers Grantham and the wider East Midlands.
