Seattle Mariners vs San Francisco Giants Weather Report

The upcoming MLB game on February 21, 2026, features the Seattle Mariners visiting the San Francisco Giants at Peoria Sports Complex in Peoria, AZ. This matchup in the Major League Baseball league is set for an afternoon start and will be broadcasted on nbcs-ba and sea video.

Weather conditions are expected to be ideal for baseball with clear skies and temperatures rising from the mid-60s to around 70 degrees Fahrenheit during the game hours. Winds will be mild, coming from the east-northeast at about 4.7 mph, which could slightly influence batting and pitching but is unlikely to cause significant disruptions.

Seattle Mariners have historically struggled in cooler weather during away games, while the Giants tend to perform better at home under such mild and clear conditions. Playing at the Peoria Sports Complex offers the Giants a home-field advantage given their familiarity with the venue and local climate. The absence of rain or snow and the mild temperature suggest a game favoring strong offensive plays, as the ball tends to travel well in these conditions.

For bettors, these weather insights combined with team performance trends suggest leaning toward the Giants, especially considering their home advantage. To make a smart betting decision, keep an eye on the detailed MLB weather conditions and team stats on our MLB weather page. The best odds available today for Seattle are - at SugarHouse, and for San Francisco - at SugarHouse.