NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sun, Sep 27, 2026 at 11:25:00 pm CDT

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Air Quality Alert

Late Week Heavy Rain Outlook

Sunday Night

Monday

Monday Night

Extended Weather Outlook

An Ozone Action Day is in effect tomorrow, Monday, September 28, for the Houston, Galveston, and Brazoria areas. Air quality may reach levels that are unhealthy for sensitive groups.

Deeper Gulf moisture in combination with a slow-moving upper level disturbance will provide chances of rain Wednesday into next weekend.

The Sunday night weather outlook indicates partly cloudy skies with warm and muggy conditions, light winds, and patchy mist in low-lying areas. Expected low temperatures range from 70 to 73 degrees Fahrenheit inland and 77 to 81 degrees Fahrenheit along the beaches.

The Monday weather outlook indicates partly cloudy skies with warm and muggy conditions, isolated coastal showers, and southeast winds of 7 to 12 miles per hour with gusts up to 20 miles per hour. Expected high temperatures range from 93 to 97 degrees Fahrenheit inland and 89 to 93 degrees Fahrenheit along the beaches.

The Monday night weather outlook indicates partly cloudy skies with warm and muggy conditions, isolated coastal showers, and light winds. Expected low temperatures range from 70 to 74 degrees Fahrenheit inland and 77 to 81 degrees Fahrenheit along the beaches.

Warm conditions to continue through this weekend and into next week, with highs ranging in the mid 80s to mid 90s. Rain chances ramp back up toward the middle of next week.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	22:35	Partly Cloudy	10	82	66	58	ESE 6	-	29.93
College Station	22:53	Mostly Cloudy	10	83	66	56	SE 7	-	29.92
Caldwell	22:35	Clear	10	82	62	51	SSE 8	-	29.92
Huntsville	22:53	Clear	10	81	71	71	S 9	-	29.93
Navasota	22:55	Mostly Cloudy	10	81	71	72	SSE 5	-	29.90
Brenham	22:55	Clear	10	82	68	62	S 7	-	29.91
Conroe	22:53	Clear	10	79	73	82	CALM	-	29.93
Cleveland	22:55	Clear	10				CALM	-	29.93
Liberty	22:55	Clear	10	75	73	94	CALM	-	29.90
Columbus	22:55	Clear	10	80	70	70	CALM	-	29.92
Spring	22:53	Clear	10	81	71	71	VRB 3	-	29.92
Houston Intercontinental Aprt	22:53	Mostly Cloudy	10	82	73	74	S 8	-	29.91
Katy/Brookshire	22:55	Clear	10	80	75	83	SSE 6	-	29.93
Texas Medical Center Heliport	22:55	Mostly Cloudy	10	80	73	78	SSE 12	-	29.90
Sugar Land	22:53	Clear	10	80	73	79	S 6	-	29.91
Houston Hobby Airport	22:53	Partly Cloudy	10	82	73	74	SSE 7	-	29.90
Arcola/Sienna	22:55	Clear	10	79	74	83	CALM	-	29.92
Pearland	22:53	Clear	10	82	73	74	SE 5	-	29.92
Ellington Field	22:54	Mostly Clear	10	80	73	78	SE 8	-	29.89
La Porte	22:55	Clear	10	82	73	74	SSE 10	-	29.92
Wharton	22:55	Clear	10	78	70	74	ESE 3	-	29.92
Galveston	05:52	Mostly Clear	10	80	71	74	ENE 8	-	30.03
Bay City	22:55	Clear	10				ESE 6	-	29.86
Palacios	22:53	Clear	10	81	72	74	SE 5	-	29.90
Rig 20 Miles SE of Galveston	22:55	Clear	10	84	71	65	ESE 16	-	29.92
Rig 20 Miles SE of Matagorda	22:55	Mostly Clear	10	84	75	74	VRB 5	92 [HI]	29.94

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