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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 gives you the current conditions, temperature, wind speed, and precipitation chance for Hertford. Use it to plan your day hour by hour, checking the symbols for rain or sunshine across the morning and afternoon.
Does the weather vary much across Hertford?
Hertford sits in the Lea Valley, which can funnel winds and create slightly cooler conditions than the surrounding hills. The town’s location in eastern Hertfordshire means it is shielded from the worst Atlantic weather, though the valley can trap low cloud and fog on autumn and winter mornings. The River Lea runs through the centre, adding local humidity that sometimes leads to mist.
What is Hertford’s typical climate through the year?
Hertford has a temperate maritime climate, like most of southern England. Winters are cool, with temperatures often above freezing during the day; frost is common on clear nights. Summers are mild to warm, with occasional spells of hotter weather. Rainfall is spread fairly evenly, but spring and autumn tend to be drier than winter. The prevailing south-westerly wind brings most weather from the Atlantic.
When is the best time to visit, and what should you pack?
Late spring (May to June) and early autumn (September) offer the most reliable weather for walking Hertford’s riverside paths and visiting the castle grounds. Pack layers: a light waterproof jacket is useful even in summer, and warm clothing plus a coat are essential from November to March. Comfortable shoes are advisable year-round as pavements can be slippery in wet weather.
What forecast information is most useful for planning ahead?
The live forecast above includes a 10–14 day outlook. For longer-term planning, check the 10-day forecast for Hertford, which provides daily summaries. The UK weather warnings page is worth consulting if storms or heavy snow are forecast for the region.
Which nearby towns have similar weather?
Readers also check forecasts for Ware, Broxbourne, Cheshunt, Harlow, and Stevenage, all of which share Hertford’s valley climate but can differ slightly in rainfall and wind exposure.
What will the weather be in Hertford tomorrow?
Check the daily breakdown in the live forecast above. Tomorrow’s weather is based on the 24-hour panel; look for the temperature range, wind speed, and rain probability to decide if you need an umbrella.
How reliable is the 10–14 day forecast for Hertford?
Medium-range forecasts are broadly reliable for trends, such as a prolonged dry spell or a period of rain. For day-to-day decisions, rely on the 3-day view in the live forecast, which has higher accuracy for exact timing and intensity of showers.
Does it rain a lot in Hertford?
Hertford receives about 625 mm of rain per year, which is below the UK average of around 1,150 mm. Rain is spread fairly evenly, but winter months tend to be wettest. The town is relatively dry compared to western parts of the country.
Does the Lea Valley affect Hertford’s weather?
Yes, the valley can channel winds and cause cooler temperatures than nearby higher ground. It also encourages fog and mist in still, cool conditions, particularly overnight and in the morning during autumn and winter.
For all UK locations, visit the UK weather hub or browse the A–Z of town weather guides.