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Wrigley Field Weather May 20, 2026: Cubs vs Brewers Forecast — 80°F Storms Likely

Best Window First pitch: 50°F, Partly Cloudy, NNE wind 15 mph
Rain Risk Elevated
What To Wear / Bring Rain layer, water-resistant shoes, and a backup indoor plan
Useful Links Gameday forecast, tickets, team gear, and weather gear
Wrigley Field
Wrigley Field
Gameday Plan Wrigley Field
Best Window 6 PM: 50°F

Partly Cloudy

Delay Risk Storm risk nearby

Highest listed rain chance in the game window is 1%.

What To Bring Chicago Cubs

Dress in layers and re-check the forecast before heading out.

Useful Links Weather-matched picks

Tickets, team gear, and weather gear should support the forecast, not distract from it.

Hour-by-Hour Game Day Forecast

12 AM 60°16% rainSlight Chance…
1 AM 57°1% rainPartly Cloudy
2 AM 56°1% rainMostly Cloudy
3 AM 54°1% rainMostly Cloudy
4 AM 53°1% rainMostly Cloudy
5 AM 52°1% rainMostly Cloudy
6 AM 51°1% rainPartly Sunny
7 AM 51°Partly Sunny
8 AM 51°Partly Sunny
9 AM 52°Partly Sunny
10 AM 53°Partly Sunny
11 AM 53°Partly Sunny
12 PM 52°Mostly Sunny
1 PM 52°Mostly Sunny
2 PM 52°Mostly Sunny
3 PM 52°Mostly Sunny
4 PM 52°Mostly Sunny
5 PM 51°Mostly Sunny
6 PM 50°Partly Cloudy
7 PM 50°1% rainPartly Cloudy
8 PM 49°1% rainPartly Cloudy
9 PM 49°1% rainMostly Cloudy
10 PM 49°1% rainMostly Cloudy
11 PM 49°1% rainPartly Cloudy

Wednesday night’s Cubs-Brewers rivalry game at Wrigley Field tips off at 6:40 PM CDT under a stormy Chicago sky — the National Weather Service 7-day forecast for the Wrigley area shows temperatures tracking near 80°F through the mid-week period, sustained SSW winds of 15 to 20 mph with gusts near 30 mph, and thunderstorm chances that have been running 40 to 74 percent across the surrounding days. Check your radar before you leave the house.

Game Weather Bottom Line

The Cubs host the Brewers with bragging rights on the line and a volatile storm pattern overhead. Warm and muggy at first pitch — near 80°F — with that signature Chicago SSW wind pushing 20 mph and gusting near 30. Active thunderstorm potential is the headline risk. This is not a “it’ll blow over” weather night. It’s a pack-smart, arrive-early, watch-the-radar kind of rivalry game.

The Cubs (29-18 at home) have dropped their last two at Wrigley and will be hungry. Milwaukee comes in 26-18 on the road — they travel well. The NL Central rivalry storyline writes itself. Now let’s make sure you’re ready for whatever the sky throws at you.

Rain Delay And Wind Risk

The storm risk is real and worth planning around. The NWS 7-day for the Wrigley area shows an active pattern all week — thunderstorm chances elevated across Tuesday and into Wednesday, fueled by a persistent SSW flow pulling Gulf moisture into the region. Gusts near 30 mph are possible at game time.

At Wrigley, a strong SSW wind blows toward right-center. That’s carry for left-handed power hitters, and a potential nightmare for pitchers working the outer half. A Cubs offense trying to snap a two-game home skid could find the wind cooperative — but so can Milwaukee’s bats.

Download the MLB Ballpark app and start watching the radar by 4:00 PM. If a storm cell moves through before first pitch, know your covered concourse options at Wrigley — the upper deck overhangs offer the best shelter while staying in the building.

What To Wear And Bring

Near 80°F sounds like a T-shirt game. It’s not quite that simple with 30 mph gusts and storm potential. The wind will strip warmth fast once any storm clears, and late innings in Wrigleyville can feel a lot cooler than first pitch.

Pack this:

  • A Chicago Cubs t-shirt for the warm early innings
  • A light zip-up or layer — the SSW wind makes it necessary by the 7th
  • A rain poncho (skip the umbrella — Wrigley crowds won’t forgive you)
  • A stadium blanket if you’re in the bleachers and plan to stay through extras
  • Sunscreen stick SPF 50 for the pre-game window before cloud cover moves in

A Chicago Cubs fitted cap earns double duty here: keeps wind out of your eyes and sends a clear message to any Brewers fans in your section. If you’re sitting in the bleachers with 30 mph gusts carrying balls toward Waveland Avenue, bring a baseball glove — homers happen.

Tailgating And Arrival Window

Wrigley runs on street-level energy — bars, sidewalks, and nearby lots are the tailgate scene. With an active storm pattern mid-week, your timing window matters more than usual.

Target the Wrigleyville neighborhood by 4:30 to 5:00 PM. That gives you a weather buffer if an early-evening cell rolls through before 6:40 PM first pitch. Haul your setup with a rolling cooler with wheels — you need mobility if the sky turns fast. A Yeti tundra cooler is the long-haul choice if you’re parked and posted for the full pre-game; a soft cooler 24 can travels better if you’re bar-hopping down Clark Street. A portable propane grill in a cleared lot is peak Wrigleyville rivalry energy — just confirm with your lot operator before you fire it up.

This is a Cubs-Brewers game. It doesn’t need extra hype. But Chicago is 29-18 at home, has lost two straight there, and Milwaukee is 26-18 on the road. Both clubs have something to prove. So does the sky.

Still need seats? Get tickets on SeatGeek or Find tickets on StubHub — both will have options from the bleachers to the grandstand, with last-minute availability common for mid-week games.

Show up dressed for the occasion. A Chicago Cubs jersey is the rivalry-game standard. Grab a Chicago Cubs t-shirt if you want something lighter for the warm first pitch. And as noted above, that Chicago Cubs fitted cap is both gear and statement on a wind-advisory night at Wrigley.

Check the National Weather Service forecast for updates as Wednesday approaches — this pattern has been shifting daily, and game-time conditions may improve or deteriorate from current projections.