Outdoor summer nights in Hertfordshire this August
Outdoor cinema, open-air theatre, zoo weekends and a new Hatfield festival — here’s what to book in Hertfordshire this August.
The school holidays are under way, and August in Hertfordshire is leaning hard into outdoor plans: film fields, Roman ruins, zoo weekends and a brand-new festival at Hatfield Park. If you’re trying to decide what’s worth booking first, the places below are the ones that make most sense for families, couples and friend groups who want a proper summer evening out rather than another aimless wander.
Moovies on the Farm
Moovies on the Farm at Battlers Green Farm is the open-air cinema at Battlers Green Farm in Radlett, running from 31 July to 2 August 2026. The line-up mixes family favourites, box-office films and classics, and the food side has proper local appeal: Killa Waffles, Lime Face and Mad Squirrel Brewery are all part of the setup. For the Saturday morning Sing screening, the farm is also putting on Little Farmer Snack Boxes and Adult Feast Boxes, with gluten-free and vegetarian options.
This is the most straightforward pick if you want a summer film without too much faff: cinema on the field, food available, and a clear family-friendly angle. The Saturday morning screening is the one to watch if you’re going with younger children, but do note that the food-truck setup is different for that session. If you’re coming with a group, book early — the farm says tickets are tight — and plan for an outdoor evening rather than a polished multiplex experience.
Red Panda Weekend
Red Panda Weekend at Hertfordshire Zoo takes place in Broxbourne on 1 and 2 August, and it’s included with general admission. The zoo is using the weekend to spotlight its red pandas, with themed merchandise, treats and fundraising that supports conservation work for the species. It’s pitched as a family day out, so you’re getting the animal visit plus a bit of added activity around one of the zoo’s better-known residents.
Best for parents who want a day out that still feels purposeful. You’ll get more out of it if your children are already animal-mad, because the red panda theme gives the visit a clear focus. It’s also a good option when you want something that isn’t weather-dependent in the same way as a cinema field. Just treat it as a normal zoo day with a bonus layer of activity, and arrive with enough time to see more than one section.
Sundown Cinema
Sundown Cinema at Hitchin Lavender is based at Cadwell Farm next to the lavender fields in Hitchin, with free parking and a dedicated cinema space. The August line-up includes Anchorman: The Legend of Ron Burgundy on 7 August, Mamma Mia! on 8 August and William Shakespeare’s Romeo & Juliet on 23 August. The venue says the tickets do not include access into the lavender fields themselves.
This is a strong date-night choice, but it works just as well for a mates’ night if you want something a bit more relaxed than town-centre drinks. The key practical point is not to assume you’re also getting a lavender-field visit with the cinema ticket — you’re not. The site is a working farm, so the usual common-sense rules apply: drive carefully, follow the signs and expect proper outdoor conditions rather than a manicured event lawn.
OVO Roman Theatre Open Air Festival
OVO Roman Theatre Open Air Festival runs from 5 June to 31 August at the Roman Theatre of Verulamium in St Albans, which gives it a setting few venues can touch. The season mixes OVO’s own productions with visiting companies, plus music and comedy nights, all staged in a theatre with Roman roots and a long history of performance. There are season-ticket options too, including premium seating and drink perks.
If you want the most atmospheric night out on this list, this is the one. It suits anyone who likes theatre but doesn’t want a formal indoor trip, and it works especially well for a summer evening with a meal or drink beforehand in St Albans. The trade-off is that you need to be comfortable with outdoor seating and changeable weather, so bring layers and book ahead if you’re after the more comfortable tickets.
Knebworth House open-air performances
Knebworth House open-air performances bring theatre, live music and outdoor cinema to the gardens at Knebworth House, in the Knebworth/Stevenage area. The summer line-up includes family musical adventure The Big Bad Wolf, Shakespeare’s Othello, plus music nights such as 80s by Moonlight and Motown by Moonlight. The venue says to bring a chair, blanket and picnic, which gives you a good sense of the format.
This is the pick for people who like a proper picnic evening and don’t mind making a little effort to settle in. It works for mixed-age groups because the programming ranges from family theatre to Shakespeare and live music, but it’s best if you’re happy bringing your own kit and making a night of it. If you’re going with children, check the age guidance on the specific show before you book.
The Great Fete
The Great Fete at Hatfield Park is a new two-day festival on 8 and 9 August 2026, set directly opposite Hatfield Train Station. The layout is built for a full day out: three music stages, a comedy tent, a funfair, a food village and a kids’ zone. Saturday leans into dance acts from the last 30 years, while Sunday is more about sing-along bands and Britpop names.
This is the biggest-ticket option here if you want a proper festival atmosphere rather than a single-event outing. It suits families as well as friend groups, but the scale means you should think about the practicalities early: parking, train arrival and whether you want general access or one of the upgraded ticket types. If you’re going with children, it’s worth checking the access rules carefully so everyone arrives together.
Moovies on the Farm
Moovies on the Farm at Battlers Green Farm is the easiest all-rounder if you want a film night with decent food attached.
Sundown Cinema
Sundown Cinema at Hitchin Lavender is the best pick for a relaxed Hitchin date night or a film with friends.
OVO Roman Theatre Open Air Festival
OVO Roman Theatre Open Air Festival is the one to choose for atmosphere and a proper summer-theatre feel.
Knebworth House open-air performances
Knebworth House open-air performances works well if you want picnic-style evenings and a mixed programme.
Red Panda Weekend
Red Panda Weekend at Hertfordshire Zoo is the neatest family day out if your children want animals first and extras second.
The Great Fete
The Great Fete at Hatfield Park is the biggest, busiest option and the one for a full festival day.
If you only book one thing, base it on the mood you want: easy film night, proper theatre, zoo day or full festival. That’s the cleanest way to make August feel planned rather than frantic.