MLB Weather Report — September 23, 2026

Colorado carries the slate’s clearest rain concern, while Atlanta has a smaller shower or thunderstorm risk. Strong winds are expected in Detroit, Philadelphia and New York, with inward winds also affecting Baltimore, Boston, Kansas City and Wrigley Field. Sacramento will host the hottest outdoor game.

NATIONALS @ TIGERS

Temperatures will hold in the low-to-mid 60s with humidity around 68%. The precipitation probability is approximately 5%. Southeast winds near 16 mph will create a CROSSWIND toward right field, with gusts approaching 24 mph.

BLUE JAYS @ ORIOLES — GAME 1

Temperatures will range from 62 to 64 degrees with humidity around 72%. The precipitation probability is approximately 15%–20%. South winds near 7 mph will be blowing IN from center field, with gusts potentially reaching 25 mph.

TWINS @ GIANTS

Temperatures will begin near 70 degrees and settle into the upper 60s with humidity around 84%. No rain is expected. Light northeast winds of 3–4 mph will create a CROSSWIND toward right field before shifting OUT toward center field later in the game.

BLUE JAYS @ ORIOLES — GAME 2

Temperatures will begin near 62 degrees and fall into the upper 50s with humidity around 67%. The precipitation probability is approximately 1%. South winds near 9 mph will be blowing IN from center field, with gusts potentially reaching 29 mph.

CARDINALS @ PIRATES

Temperatures will fall from around 61 degrees to 57 degrees with humidity near 63%. The precipitation probability is approximately 3%. South winds near 7 mph will be blowing IN while cutting toward right field, with gusts around 20 mph.

BREWERS @ PHILLIES

Temperatures will fall from approximately 64 degrees to 60 degrees with humidity around 57% at first pitch. No meaningful rain is expected. South-southwest winds near 13 mph will be blowing IN while cutting toward left field, with gusts approaching 30 mph.

RAYS @ YANKEES

Temperatures will begin near 62 degrees and fall into the upper 50s with humidity around 51%. No rain is expected. Southeast winds near 15 mph will be blowing IN from center field, with gusts approaching 24 mph.

GUARDIANS @ RED SOX

Temperatures will fall from approximately 57 degrees into the mid-50s with humidity around 68%. No rain is expected. South winds of 8–10 mph will be blowing IN from center field, with gusts potentially reaching 25 mph.

REDS @ BRAVES

Temperatures will begin in the mid-70s and fall toward 70 degrees with humidity around 77%. The precipitation probability is approximately 20%–30%, with an isolated shower or thunderstorm possible. East-northeast winds near 9 mph will create a CROSSWIND toward right field, with gusts approaching 23 mph.

WHITE SOX @ ROYALS

Temperatures will fall from around 71 degrees into the upper 60s with humidity near 61%. The precipitation probability is approximately 1%. South-southwest winds near 8 mph will be blowing IN while cutting toward left field, with gusts approaching 21 mph.

MARLINS @ CUBS

Temperatures will hold near 63 degrees with humidity around 80%. The precipitation probability is approximately 3%. South-southwest winds near 10 mph will be blowing IN while cutting toward left field, with gusts approaching 19 mph.

METS @ RANGERS

(INDOORS)

DIAMONDBACKS @ ROCKIES

Temperatures will fall from approximately 72 degrees to 67 degrees with humidity around 46%. The precipitation probability could approach 50% around first pitch, with showers or thunderstorms possible early in the game. Northeast winds near 10 mph will be blowing OUT to center field, with gusts approaching 18 mph.

ANGELS @ ATHLETICS

Temperatures will fall from the mid-80s into the mid-70s with humidity around 27%. No rain is expected. Light northeast winds near 2 mph will create a CROSSWIND toward right field before shifting OUT toward right-center field later in the game.

PADRES @ DODGERS

Temperatures will fall from approximately 76 degrees to 72 degrees with humidity around 64%. No rain is expected. North winds of 5–6 mph will be blowing OUT toward right-center field before shifting toward center, with gusts around 14 mph.

ASTROS @ MARINERS

(INDOORS)

BOTTOM LINE

Colorado requires the closest monitoring because of the early rain and thunderstorm risk. Atlanta carries a smaller shower concern, while the remaining outdoor games have little meaningful precipitation risk. Strong or gusty winds will affect Detroit, Philadelphia, Yankee Stadium, Baltimore and Boston, with winds blowing inward at most of those locations.