The Best Dresses to Wear to a Summer Wedding If You’re Over 40
Weddings are the perfect excuse to get dressed up, especially in the summer when everything feels a little more joyful, a little more romantic, and a lot warmer. But if you’re over 40, finding the right dress can be tricky. You want to look elegant and modern, without feeling like you’ve borrowed something from your daughter’s closet or your great aunt’s.
There are plenty of beautiful, flattering options out there that strike just the right balance. Whether the dress code calls for garden party glam or something more formal, I’ve rounded up my favorite summer wedding guest dresses that will have you feeling confident, comfortable, and perfectly dressed for the occasion.

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Wondering what shoes to wear to a wedding? Head over to these posts for tips on choosing the right pair for cocktail or formal dresses.
- How to Choose the Best Comfortable Shoes to Wear with Formal Dresses
- Most Comfortable Shoes to Wear with Cocktail Dresses
Best Dresses to Wear to a Casual Summer Wedding Over 40
Easy, breezy, and full of color. This puff sleeve dress is perfect for a casual summer wedding. It’s lightweight, breathable, and elegant without trying too hard.
If you like a clean, tailored look, a shift dress like this is a great go-to. The straight cut skims over the body, and the crepe fabric drapes beautifully. It’s simple, flattering, and easy to dress up with bold accessories.
This midi dress is a floral option that doesn’t feel too precious. The ruching defines the waist, and the longer length adds elegance without trying too hard. Great for a daytime wedding when you want to look feminine, not frilly.
A shirtdress always looks smart, and this one’s is a beauty. The midi length is great for staying cool but covered, and the crisp cotton keeps it breezy. Add wedges and a statement earring, and you’re ready to go.
This is one of those “throw on and look amazing” dresses. Matte jersey smooths over everything, and the V-neck is flattering without revealing too much. It’s comfortable, stylish, and works great for a casual daytime wedding.
Dresses to Wear to a Semi-Formal Summer Wedding Over 40
This dress is proof that you don’t have to wear sequins to feel dressy. The taffeta gives it a little sheen, and that sash defines the waist beautifully.
This cocktail dress is little more structured, but still fun thanks to the floral print. It’s sleeveless, fitted, and doesn’t need much else… just grab your clutch and go!
This cocktail dress has just a touch of shine. Enough to feel special, not flashy. The fabric gives it some texture, and it’s the kind of piece that’s easy to accessorize. A great choice for evening weddings!
A one-shoulder dress is always a statement, but this one keeps it sophisticated. The fit-and-flare silhouette flatters without clinging, and it’s formal without feeling fussy. I love this deep pink, but it’s also available in sage, chocolate brown, and emerald green.
Best Dresses to Wear to a Formal Summer Wedding Over 40
If you need something elegant that still feels light, this is a winner. The sheer neckline offers coverage without heaviness, and the embroidery adds interest without bulk. Sleek, simple, and stunning.
Here’s another great option for any formal wedding on your summer calendar. The 3D embroidery adds gorgeous texture and dimension, while the clean silhouette keeps it timeless. An elegant, eye-catching choice that feels refined without being overdone.
This gown has that “wow” factor without being over the top. You’ll feel beautiful and put together all night at any formal or black tie wedding on your calendar!
Florals aren’t just for daytime. This one-shoulder gown gives you drama with a soft edge. It’s flowy but formal, and the print makes it feel romantic!
Do you have any summer weddings on your calendar? Shop my favorite guest dress picks below and find the one that makes you feel fabulous.
















Love these suggestions! A couple of the designs remind me of Leona Edmiston dresses, which I like.