Jul 8, 2026
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Read Article Astros vs. Nationals prediction: Why Washington is favored to win Wednesday's MLB matchup [7/8/2026]
Updated: | First published:
Written by Dave Garofolo, Content Producer
Get Houston Astros vs Washington Nationals predictions for MLB Wednesday.
The Washington Nationals will face the Houston Astros, in what is expected to be a tight MLB game, at Nationals Park on Wednesday, beginning at 6:45 PM ET.
Foster Griffin (9-2, 2.87 ERA) will start for the Nationals, while the Astros have opted for Spencer Arrighetti (7-4, 3.81 ERA).
Based on the latest simulation results, Dimers' advanced MLB model gives the Nationals a slight edge with a 52.0% win probability over the Astros.
This article offers a closer look at Wednesday's Astros vs. Nationals matchup, including best bets and picks.
Astros vs. Nationals prediction: Who will win and cover?
Using innovative machine learning and data, we have simulated the outcome of Wednesday's MLB matchup between the Astros and Nationals, forming part of our MLB predictions coverage.
Our leading predictive model currently gives the Nationals a 52.0% chance of beating the Astros.
According to our model, the Astros (+1.5) have a 63.1% chance of covering the run line, while the over/under total of 9.5 runs has a 52.9% chance of going over,.
Astros vs. Nationals odds [7/8/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Astros | Nationals |
|---|---|---|
| Run Line | +1.5 (-175) | -1.5 (+152) |
| Moneyline | +116 | -134 |
| Total | o9.5 (-110) | u9.5 (-105) |
All odds are correct at the time of publication and are subject to change.
Astros vs. Nationals 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 |
|---|---|---|
| Run Line | Astros +1.5 | -175 |
| Moneyline | Astros | +116 |
| Total | Over 9.5 | -110 |
According to our MLB best bets, the top play to make on this game is Astros to win.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Astros vs. Nationals game-day updates and essential details
Wednesday's MLB matchup between the Nationals and Astros at Nationals Park is scheduled to begin at 6:45 PM ET.
- Who: Houston Astros vs. Washington Nationals
- Date: Wednesday, July 8, 2026
- Time: 6:45 PM ET/3:45PM PT
- Venue: Nationals Park
Conclusion
We predict the Nationals, with a 52.0% win probability, will likely beat the Astros in Wednesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Dave Garofolo uses sophisticated AI-driven analytics to make predictions and evaluate player performances in the NBA, MLB, NFL, NHL, NCAAM, and PGA TOUR tournaments, crafting insightful game and prop previews.
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