NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sun, Sep 20, 2026 at 1:46:52 pm CDT

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There are no watches, warnings, or advisories at this time.

Today

Monday

Seven Day Outlook

Autumnal Equinox

Today will be hot with highs in the 90s. There is a 20-30% chance of showers and thunderstorms during the daytime, mainly near the coast around Galveston. Tonight will be warm with early morning lows in the 70s to lower 80s.

Monday will be hot with highs in the 90s. There is a 20-30% chance of showers and thunderstorms during the daytime. Monday night will be warm with early morning lows in the 70s to lower 80s. There is a 20% chance of showers overnight across the portions of the Brazos Valley/Piney Woods area.

Hot weather continues throughout the next seven days with highs in the upper 80s to 90s. Early morning lows will be in the upper 60s far inland to mid 80s along the coast. Isolated showers and storms will be possible daily.

The autumnal equinox occurs on Tuesday, September 22nd, and 7:04 PM CDT and marks the beginning of the astronomical season of fall.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	12:55	Partly Cloudy	10	93	71	48	S 5	100 [HI]	29.96
College Station	12:53	Mostly Clear	10	90	69	50		-	29.93
Caldwell	12:55	Partly Cloudy	10	91	68	46	CALM	95 [HI]	29.94
Huntsville	12:53	Mostly Clear	10	90	67	46	N 5	93 [HI]	29.95
Navasota	12:55	Mostly Clear	10	93	68	44	SSE 3	98 [HI]	29.93
Brenham	13:15	Mostly Cloudy	10	93	68	45	SE 7	97 [HI]	29.92
Conroe	12:53	Clear	10	92	71	50	CALM	99 [HI]	29.95
Cleveland	13:15	Partly Cloudy	10				CALM	-	29.95
Liberty	13:15	Mostly Clear	10	91	73	55	VRB 3	100 [HI]	29.92
Columbus	13:15	Partly Cloudy	10	94	70	45	CALM	100 [HI]	29.93
Spring	12:53	Partly Cloudy	10	90	70	52	VRB 3	96 [HI]	29.93
Houston Intercontinental Aprt	12:53	Partly Cloudy	10	92	71	50	SE 7	99 [HI]	29.93
Katy/Brookshire	13:15	Partly Cloudy	10	93	71	49	CALM	100 [HI]	29.94
Texas Medical Center Heliport	13:15	Partly Cloudy	10	91	71	52	VRB 5	98 [HI]	29.91
Sugar Land	12:53	Clear	10	91	73	55	ENE 5	100 [HI]	29.93
Houston Hobby Airport	12:53	Mostly Cloudy	10	90	72	55	NE 3	97 [HI]	29.92
Arcola/Sienna	13:15	Partly Cloudy	10	91	70	50	SSE 5	97 [HI]	29.93
Pearland	12:53	Partly Cloudy	10	91	69	48	S 9	96 [HI]	29.94
Ellington Field	12:54	Partly Cloudy	10	91	71	52	CALM	98 [HI]	29.92
La Porte	12:55	Mostly Cloudy	7	89	75	62	E 8	99 [HI]	29.94
Wharton	13:15	Overcast	10	95	72	47	SE 3	104 [HI]	29.92
Galveston	10:52	Mostly Clear	10	89	77	67	E 10	102 [HI]	30.18
Bay City	13:15	Mostly Cloudy	10				SE 10	-	29.87
Palacios	12:53	Mostly Clear	10	87	78	74	SE 6	100 [HI]	29.92
Rig 20 Miles SE of Galveston	13:15	Haze	5	86	77	74	CALM	97 [HI]	29.95
Rig 20 Miles SE of Matagorda	13:20	Partly Cloudy	10	89	77	66	E 7	102 [HI]	29.97

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