NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sun, Sep 20, 2026 at 3:28:28 am 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	02:55	Clear	10	77	70	79	SSW 3	-	29.97
College Station	02:53	Clear	10	76	70	81	S 3	-	29.95
Caldwell	02:55	Clear	10	75	68	78	S 3	-	29.97
Huntsville	02:53	Clear	10	75	71	87	SSW 3	-	29.96
Navasota	02:55	Clear	10	74	74	100	CALM	-	29.94
Brenham	03:15	Clear	10	74	70	87	CALM	-	29.95
Conroe	02:53	Mist	6	71	70	96	CALM	-	29.96
Cleveland	03:15	Clear	10				CALM	-	29.96
Liberty	03:15	Mist	4	69	69	100	CALM	-	29.92
Columbus	03:15	Clear	10	72	69	91	CALM	-	29.96
Spring	02:53	Mist	6	70	70	100	CALM	-	29.95
Houston Intercontinental Aprt	02:53	Mostly Clear	10	72	71	96	CALM	-	29.94
Katy/Brookshire	03:15	Clear	10	71	71	100	CALM	-	29.96
Texas Medical Center Heliport	03:15	Overcast	10	78	73	83	S 8	-	29.93
Sugar Land	02:53	Clear	10	72	71	96	CALM	-	29.93
Houston Hobby Airport	02:53	Mostly Clear	10	78	73	84	CALM	-	29.93
Arcola/Sienna	03:15	Clear	10	72	71	94	CALM	-	29.95
Pearland	02:53	Clear	10	75	72	90	CALM	-	29.94
Ellington Field	01:54	Clear	10	77	71	83	CALM	-	29.92
La Porte	02:55	Clear	10	75	71	88	CALM	-	29.94
Wharton	03:15	Clear	10	73	70	88	CALM	-	29.94
Galveston	10:52	Mostly Clear	10	89	77	67	E 10	102 [HI]	30.18
Bay City	03:15	Clear	10				CALM	-	29.89
Palacios	02:53	Clear	10	76	73	90	NE 5	-	29.92
Rig 20 Miles SE of Galveston	03:15	Clear	10	84	73	70	SE 8	-	29.94
Rig 20 Miles SE of Matagorda	03:20		10	84	77	79	SE 9	94 [HI]	29.96

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