Good morning, Georgina, Newmarket, and East Gwillimbury. Today is Thursday, September 17, and this is shaping up to be one of the fullest family weekends we've covered all year.
Terry Fox's brother Fred is in town Friday for the official opening of Terry Fox Memorial Park, Newmarket unveils its brand-new Mulock Park with three days of free programming, and Georgina runs its first-ever Cultural Festival across three venues. Bring the kids — there's a lot built for them specifically this weekend.
Let's get into your strictly verified weekend guide for September 17 – 20, packed with accurate, hyper-local ways to spend it.
The Local Rundown
What you need to know across the region this weekend in 2 minutes or less.
🎗️ Terry Fox Memorial Park Officially Opens Friday (Georgina): Fred Fox — Terry's brother — joins the Mayor and Council for the official opening.
When: Friday, September 18 | 1:00–3:00 PM
Where: Terry Fox Memorial Park, 50 Thomas Smith St, Georgina
🏛️ Elman W. Campbell Museum Closed Saturday (Newmarket): If you're planning a family museum stop this weekend, go Friday — the museum has confirmed it will be closed Saturday, September 19.
🚧 High Street Construction Continues (Sutton): The reconstruction project remains underway downtown, running through the 2026 season.
The Main Stage: Premier Events
Where to grab a seat, a ticket, or an experience this weekend.
🎉 Meet Me at Mulock: Grand Opening Weekend (Newmarket)
Newmarket's newest park opens with three days of free programming — live performances, roller skating, kite flying, and art workshops at Yonge St & Mulock Drive.
When: Friday, September 18, 5:00–9:00 PM | Saturday–Sunday, September 19–20, 11:00 AM–9:00 PM
Where: Mulock Park, Newmarket
Admission: Free
A brand-new three-day celebration of Georgina's cultures — food, music, dance, and hands-on workshops across three venues, with fireworks Friday night.
When: Friday, September 18, 6:00–8:00 PM (fireworks at 8 PM) | Saturday, September 19, 11:00 AM–5:00 PM | Sunday, September 20, 10:30 AM–5:30 PM
Where: The ROC Chalet (Fri/Sat), The MURC (Sun), Keswick
Admission: Free
🏃 Georgina Terry Fox Run (Roches Point)
Georgina's annual Terry Fox Run — all ages and paces welcome, with a confirmed Kids Zone and dog-friendly course.
When: Sunday, September 20 | Registration 8:30 AM, run starts 10:00 AM
Where: North Gwillimbury Park, 857 Lake Dr, Roches Point
Admission: Free
The Setlist: Live Music
Because sometimes you just need to kick back with a cold drink.
🎶 Uptown Keswick Parkette Concert Series (Keswick)
The Vibe: A free outdoor concert closing out the summer series — bring a lawn chair.
Where: Uptown Keswick Parkette, 2 Queensway South, Keswick
When: Saturday, September 19 | 3:30–5:00 PM
Note: We couldn't confirm a specific lineup at Market Brewing Co. (Newmarket) or The Mansion House (Sutton) for this weekend. Check marketbrewingco.com or The Mansion House's Facebook page closer to Friday/Saturday.
The Weekend Warrior: Family Fun & Community
Keep the kids busy and enjoy the sunshine.
🎃 Brooks Farms Fall Fun Festival (Mount Albert): Two jumping pillows, a zip line, corn maze, pirate ships, spider web climber, and a live Singing Chicken Show. Weekend hours 9 AM–4 PM, last admission 3 PM, around $21.48 admission.
🚗 Kruze-a-Palooza Car & Pet Show (Sharon): Sunday, 11:00 AM–3:00 PM at Sharon Museum and Gardens — free to attend, $10 donation per vehicle if you're entering a car in the show.
🍁 Sibbald Point Nature Programs (Sutton): Two free drop-in programs this weekend — "Aster and Goldenrod Art" Saturday at the Amphitheatre, and "Migration Station" Sunday at the Campground Playground, both 10 AM–12 PM. Day-use permit required.
🏛️ Elman W. Campbell Museum (Newmarket): Free family drop-in Friday only this weekend (closed Saturday) — wooden train set, build-a-log-cabin activity, and slate-and-chalk writing for kids.
🌽 Newmarket Farmers' Market (Newmarket): Saturday, 8:00 AM–1:00 PM at Riverwalk Commons, with a "Local is Global" World Food Tent this week.
🌽 Georgina Farmers' Market (Sutton): Sunday, 9:00 AM–2:00 PM at The Link — 40+ vendors, live music, family activities.
The Weather Lookahead
THU: 23°C 📈 | 10°C 📉 (⛅ Mix of sun and cloud, 30% chance of showers, clearing late afternoon)
FRI: 22°C 📈 | 11°C 📉 (☀️ Sunny, cloudy periods overnight)
SAT: 16°C 📈 | 12°C 📉 (🌧️ Cloudy, 40% chance of showers)
SUN: 20°C 📈 | 9°C 📉 (🌧️ Cloudy, 60% chance of showers)
The TL;DR: Friday is clearly your best day — sunny and mild, perfect timing for the Terry Fox Park opening and the Cultural Festival's opening night. Saturday turns noticeably cooler with a real shower chance, so pack layers and a rain jacket for Mulock Park, the Cultural Festival's EXPLORE day, and the Parkette concert. Sunday's 60% shower risk is the one to watch most closely — the Terry Fox Run and both farmers' markets should plan for wet conditions. A cooler, damper stretch than last week, but nothing that should keep you indoors if you dress for it.
💬 Your Turn — Quick Poll!
Your feedback shapes future editions!
With three major openings this weekend, where's your family headed first?
🎗️ Terry Fox Memorial Park opening Friday — meeting Fred Fox
🎉 Mulock Park's grand opening — first look at Newmarket's newest park
🌍 Georgina's Cultural Festival — HOME, EXPLORE, or CONNECT
🎃 Brooks Farms — the corn maze and jumping pillows win every time
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See you next week,
— Your Georgina Digest Team
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