Ease into Austin at Bouldin Creek Cafe on South 1st, a beloved veggie-forward neighborhood spot where the migas and cold-pressed juices set a healthy, unhurried tone. With a 99°F high ahead, hydrate now and dress in light linen and a hat. If Bouldin Creek Cafe is fully booked or closed, try Sour Duck Market nearby.

Cool off at Barton Springs Pool, the three-acre spring-fed pool that stays a bracing 68-70°F year-round ($9/adult, daily 5am-10pm with morning cleaning closures). It's popular but genuinely worth it; the shaded south bank is the couple's-picnic corner. Arrive before 9am or after 4pm to avoid weekend crowds. Bring water shoes and reef-safe sunscreen. Rainy day alternative: the Blanton Museum of Art is a cool, quiet retreat.

Drift to Waller Beach at Town Lake Metropolitan Park for a golden-hour stroll along the water's edge. The light off the lake and the downtown skyline behind it is the most romantic free thing in the city. Rainy day alternative: browse the shops and covered walkways along South Congress Avenue.

Dinner at Odd Duck on South Lamar, a farm-to-table institution where the seasonal small plates lean vegetable-heavy and inventive (dinner Mon-Thu 5-10pm; confirm hours before visiting). Book ahead. If Odd Duck is fully booked or closed, try Aba Austin nearby. Afterward, a slow nightcap walk; the heat softens beautifully after dark.

Breakfast at Sour Duck Market on East MLK, a bright bakery-café with grain bowls, house breads, and strong coffee (4.5). It's a locals' morning ritual. If Sour Duck Market is fully booked or closed, try Bouldin Creek Cafe nearby.

Beat the 102°F afternoon indoors at the Blanton Museum of Art near the university, home to Ellsworth Kelly's luminous "Austin" chapel and a serene European collection. Cool, quiet, and made for wandering hand in hand. Then browse Women & Their Work, a nonprofit gallery on East Cesar Chavez showing bold contemporary Texas artists.

Head to Nido, a rooftop spot on West Riverside, for a shaded aperitivo with skyline and lake views as the day cools (4.5; call ahead to confirm hours). If Nido is fully booked or closed, try True Food Kitchen nearby.

Catch a live performance at Bass Concert Hall (curtain times vary; confirm the schedule and grab tickets online before you fly), a polished venue that anchors Austin's summer theater and music calendar. Before curtain, dinner at Aba Austin on South Congress, a Mediterranean kitchen with plenty of bright, health-minded mezze and grilled seafood (4.7; reserve early).

Start at the SFC Farmers' Market Downtown on Guadalupe (Saturdays), grazing local produce, kolaches, and cold brew among growers and makers. It's the real, unglossy Austin Saturday scene. Arrive early to beat weekend crowds. Rainy day alternative: duck into the covered stalls or a nearby downtown café for coffee and pastries.

A relaxed late lunch at True Food Kitchen on West Avenue, seasonal and squarely health-focused, with a shaded patio for one last slow Texas meal together before the road. If True Food Kitchen is fully booked or closed, try Nido nearby.

Leave Austin by 2:00pm to stay ahead of weekend traffic. Take I-35 North the whole way back toward Chicago (roughly 17h 25m / 1,875 km, so plan an overnight stop around Oklahoma City or Kansas City). If you'd rather fly, this is the far easier call, see below.