Arizona vs. Washington State prediction: Why Arizona is favored to win in college football Week 4 [2026]

Using trusted machine learning and data, we have re-simulated the outcome of Arizona vs. Washington State, forming part of our college football predictions coverage.

Our independent predictive model gives Arizona a 78.8% chance of beating Washington State. Our predicted final score has Arizona winning 29-19. According to our model, Washington State (+10.5) has a 50.6% chance of covering the spread, while the 47.5-point over/under has a 55.5% chance of going over.

Latest betting odds

We have sourced the best college football odds in America for this game, which are listed here:

• Spread: Arizona -10.5 (-110) / Washington State +10.5 (-110)
• Moneyline: Arizona -410, Washington State +330
• Total: Over/Under 47.5 (-114/-109)

All odds are correct at the time of publication and are subject to change.

Model picks and best bet

After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

• Spread: Washington State +10.5 @ -110 via Caesars
• Moneyline: Arizona @ -410 via DraftKings
• Total: Over 47.5 @ -114 via BetRivers

According to our best college football bets, the top play to make on this game is Over 47.5 total points.

These picks are based on our probabilities matched against the implied probabilities from the current available odds.

Game info & kickoff details

Saturday's college football matchup between Washington State and Arizona at Gesa Field at Martin Stadium is scheduled to commence at 7:30 PM ET.

• Who: Arizona vs. Washington State
• Date: Saturday, September 26, 2026
• Time: 7:30 PM ET/4:30PM PT
• Venue: Gesa Field at Martin Stadium

College football Week 4 promos

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Conclusion

We predict Arizona, with a 78.8% win probability, will likely beat Washington State in Saturday's college football matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.

This article's predictions and probabilities are generated by Dimers' proprietary College Football prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.