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Washington State vs. Portland prediction: Why Washington State is favored to win men's college basketball matchup [12/28/2025]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Washington State vs Portland predictions for college basketball Sunday.
Portland and Washington State are scheduled to meet in men's college basketball action at Chiles Center on Sunday, starting at 5:00 PM ET.
Based on updated simulations, Dimers' advanced college basketball model predicts Washington State as the most likely winner of the Washington State vs. Portland game.
This article offers an expanded analysis of Sunday's matchup, including an expanded look at the predicted score, best bets and picks.
Washington State vs. Portland prediction: Who will win and cover?
Using trusted machine learning and data, we have simulated the result of Sunday's NCAA basketball matchup between Washington State and Portland 10,000 times as part of our men's college basketball predictions coverage.
Our famous predictive model currently gives Washington State a 62% chance of beating Portland. Our predicted final score has Washington State winning 77-74.
According to our model, Portland (+3.5) has a 51% chance of covering the spread, while the over/under total of 152.5 points has an equal 50-50 chance of hitting.
Washington State vs. Portland odds
We have sourced the best men's college basketball odds in America for this game, which are listed here:
| Bet Type | Washington State | Portland |
|---|---|---|
| Spread | -3.5 (-115) | +3.5 (-102) |
| Moneyline | -175 | +150 |
| Total | o152.5 (-112) | u152.5 (-105) |
All odds are correct at the time of publication and are subject to change.
Washington State vs. Portland picks and best bet
After matching our predictions against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Spread | Portland +3.5 | -102 |
| Moneyline | Washington State | -175 |
| Total | Under 152.5 | -105 |
According to our men's college basketball best bets, the top play to make on this game is Portland +3.5 at the spread.
Washington State vs. Portland game-day updates and essential details
Sunday's men's college basketball matchup between Portland and Washington State at Chiles Center is scheduled to begin at 5:00 PM ET.
- Who: Washington State vs. Portland
- Date: Sunday, December 28, 2025
- Time: 5:00 PM ET/2:00PM PT
- Venue: Chiles Center
Conclusion
We predict Washington State, with a 62% win probability, will likely beat Portland on Sunday.
AI and automation have enhanced this article to quickly deliver accurate Washington State vs. Portland insights, with human oversight ensuring high editorial quality. Our predictions are drawn from the latest data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.
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Jason Bevilacqua, an expert in MLB, NHL, NBA, MLS, and NFL, delivers game previews, best bets, and props. Since 2020, as Head of Social and Community at Dimers, he has contributed insightful articles utilizing data-driven models and simulations.
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