Astros vs. Nationals prediction: Why Houston is favored to win Tuesday's MLB matchup [7/7/2026]
Get Houston Astros vs Washington Nationals predictions for MLB Tuesday.

The Washington Nationals and Houston Astros will meet in MLB action at Nationals Park on Tuesday, starting at 6:45 PM ET.
The Nationals will start Andrew Alvarez (2-1, 3.05 ERA), while the Astros have opted for Tatsuya Imai (5-4, 6.14 ERA).
Based on updated simulation results, Dimers' advanced MLB model gives the Astros a slight edge with a 50.2% win probability over the Nationals.
This article offers further insights into Tuesday's Astros vs. Nationals matchup, including best bets and picks.
Astros vs. Nationals prediction: Who will win and cover?
Our famous predictive model currently gives the Astros a 50.2% chance of defeating the Nationals.
According to our model, the Astros (+1.5) have a 65.5% chance of covering the run line, while the 9-run over/under has a 57.8% chance of going over,.
Astros vs. Nationals odds [7/7/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Astros | Nationals |
|---|---|---|
| Run Line | +1.5 (-190) | -1.5 (+159) |
| Moneyline | +105 | -118 |
| Total | o9 (-118) | u9 (+100) |
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 current 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 | -190 |
| Moneyline | Astros | +105 |
| Total | Over 9 | -118 |
According to our MLB best bets, the top play to make on this game is Over 9 total runs.
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
Tuesday's MLB game between the Nationals and Astros at Nationals Park is scheduled to commence at 6:45 PM ET.
- Who: Houston Astros vs. Washington Nationals
- Date: Tuesday, July 7, 2026
- Time: 6:45 PM ET/3:45PM PT
- Venue: Nationals Park
Conclusion
We predict the Astros, with a 50.2% win probability, will likely beat the Nationals in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.



