Going to a Mariners day game at T-Mobile Park? Seattle's mild weather means the retractable roof, really a cover that leaves the sides open, is often left open, so shade matters. The coolest seats are behind home plate, shaded ~86% of a day game in our 3D model.
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▶ Hit Play to watch the shade sweep across the T-Mobile Park bowl. Want to set your exact game date & first pitch? Open the full map ↗
T-Mobile Park's roof is a cover, not a full enclosure, it slides over the seating bowl but the sides stay open, and in Seattle's mild summers it's frequently left open for day games. Home plate faces roughly northeast, so the seats behind home plate and on both the first- and third-base sides hold shade well, while the outfield and upper deck take more sun. When the roof is closed for rain, the whole bowl is shaded.
These are the share of a typical early-afternoon game each zone holds shade in our 3D model with the roof open, based on the seating-bowl geometry and the sun's real path, not a specific day's clouds (of which Seattle has a few):
| Section area | Level | Shaded for… |
|---|---|---|
| Behind home plate | Lower & Club | ~86% of the game |
| First-base side | Lower & Club | ~75-76% |
| Third-base side | Lower & Club | ~71-73% |
| Upper deck | Upper | ~23-28%, more sun |
| Outfield seats | Outfield | Mostly sun, avoid for shade |
Percentages are for a typical 1:10 PM start in midsummer; your exact game may differ. Plug your date and first pitch into the live map for a per-row read.
If shade is the priority at T-Mobile Park, sit behind the plate. The best bets:
| Seats | Why they're shaded |
|---|---|
| Behind home plate, Lower & Club level | Orientation plus the roof cover; ~86% shaded |
| First- or third-base side, Lower & Club | Both lines hold shade well into the afternoon |
| Any seat, roof closed | When it's shut for rain, the whole bowl is shaded |
The outfield seats and the upper deck take the most sun when the roof is open. Front rows down the lines catch afternoon sun too. Seattle rarely gets truly hot, though, so an exposed seat is usually more about glare than heat.
The seats behind home plate hold shade the longest, around 86% of a typical day game in our model, followed by the Lower and Club levels down both the first- and third-base lines. The outfield and upper deck take the most sun when the roof is open.
Often open. T-Mobile Park's roof is a cover that slides over the bowl with the sides open, and in Seattle's mild summers it's frequently left open for day games. It's closed mainly for rain, when it is, the whole bowl is shaded.
Lower and Club level behind home plate, then down either baseline. Avoid the outfield and the upper deck if you want to stay out of the sun on an open-roof day.
For open-roof afternoon games, sit behind the plate or down the lines. If the roof is closed for weather, sun isn't a factor anywhere. Seattle evenings are cool and comfortable. The interactive tool models any start time and the live weather.
Shade predictions come from a 3D ray-traced model of the seating bowl combined with the exact solar position for your date and time; roof-closed games are treated as fully shaded. The bowl geometry is a calibrated approximation, so use the map to pick a side and row range, then confirm the precise seat on a ticket map. Independent tool; not affiliated with MLB or the Mariners.
The rest of the AL West, same treatment:
T-Mobile Park ranks #21 of 30 for sun exposure in MLB: the average seat sits in direct sunlight for about 113 of a 190-minute day game, or 59.7% of it. Full ranking and method in the sunniest seats in baseball.