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Live forecasts update automatically; written guidance last reviewed 13 June 2026 by the Insight Britain weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Grimsby’s current conditions, hourly breakdown and the next few days. Use the tabs to switch between views. The “Feels like” temperature accounts for wind chill, which is often significant on this exposed North Sea coast.
How should I read the live forecast for Grimsby?
The live forecast above provides a snapshot of conditions at the nearest Met Office observation point. Pay close attention to the wind speed and direction, as a north-easterly wind can bring cold, damp air straight off the North Sea, while a south-westerly flow tends to be milder. The precipitation percentage indicates the likelihood of rain in any given hour.
What is Grimsby’s typical climate through the seasons?
Grimsby has a temperate maritime climate, strongly influenced by its position on the Humber Estuary. Winters are cool and damp, with temperatures typically ranging from 1°C to 8°C, and frost is common on clear nights. Spring brings gradual warming and often the driest weather of the year. Summers are mild rather than hot, with temperatures usually between 12°C and 20°C, though occasional heatwaves can push the mercury higher. Autumn sees increasing rainfall and wind, with stormy spells possible from October onwards.
How does the local geography affect Grimsby’s weather?
Grimsby lies on low-lying land beside the Humber Estuary, with no significant hills to disrupt wind flow. This makes it one of the windier towns in Lincolnshire. The North Sea to the east brings a moderating effect, keeping winters slightly milder than inland areas but also introducing persistent sea fog, known locally as “fret”, particularly in spring and early summer. The urban area can create a slight heat island effect overnight.
When is the best time to visit Grimsby and what should I pack?
Late May to early September offers the best chance of pleasant weather, with longer daylight hours and the highest average temperatures. Pack layers: a waterproof jacket is essential year-round, and a warm mid-layer is advisable even in summer for breezy coastal evenings. In winter, bring a thick coat, hat and gloves. Sunscreen is rarely needed but can be useful on a clear summer day.
What nearby areas do readers also check?
People viewing the Grimsby forecast often look at conditions in nearby Cleethorpes, which shares a very similar coastal climate. Inland, the market town of Louth can be a few degrees cooler on clear nights. Across the Humber, Hull and Hessle experience comparable weather, while Cottingham is slightly more sheltered. Further down the coast, Mablethorpe often sees similar conditions.
What will the weather be in Grimsby tomorrow?
Check the “Tomorrow” tab in the live forecast above for an hourly breakdown. Generally, the forecast is most reliable for the next 24 to 48 hours, with wind direction being the key factor in determining whether it will feel mild or raw.
How reliable is the 10 to 14 day outlook for Grimsby?
The 10-day forecast gives a useful indication of trends, such as a settled spell or an approaching low-pressure system. Confidence decreases after day 7, so check back regularly for updates. The live forecast above is updated at least four times daily.
Does it rain a lot in Grimsby?
Grimsby receives around 620mm of rain per year, which is below the UK average. Rainfall is fairly evenly spread, though autumn and winter tend to be wetter. Drizzle and light rain are more common than heavy downpours, and the wind can make it feel wetter than it is.
For the latest national outlook, visit the UK weather hub or see the 10-day forecast for other regions. Stay informed of any severe weather with UK weather warnings.