NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Thu, Sep 17, 2026 at 9:46:27 pm CDT

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Tonight

Friday’s Outlook

Extended Weather Outlook

KHGX Radar.

Tonight’s outlook for Thursday, September 17, 2026, at 8:53 AM calls for mostly clear skies with warm and muggy conditions, accompanied by light and variable winds and patchy fog in low-lying areas. Low temperatures are expected to range from 75 to 81 degrees inland and 77 to 83 degrees at the beaches. The associated weather graphic illustrates these mild and clear nighttime conditions for the Houston-Galveston area.

For Friday's outlook conditions will be hot and drier with hot and humid weather and light east to northeast winds. High temperatures are forecasted to reach 93 to 97 degrees inland and 91 to 94 degrees at the beaches, while heat indices will remain below 100 degrees. The corresponding weather graphic visually summarizes these hot and drier conditions for the Houston-Galveston region.

Daily chances for showers and thunderstorms continues with decreasing chances Friday and Saturday. Highs will be mainly in the mid 90s with peak heat indices up to 107F.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	20:55	Clear	10	82	71	68	SSE 3	-	30.15
College Station	20:53	Clear	10	85	70	61	ESE 5	-	30.12
Caldwell	20:55	Clear	10	80	68	65	SSE 3	-	30.15
Huntsville	20:53	Clear	10	84	71	65	CALM	-	30.13
Navasota	21:15	Clear	9	82	76	83	CALM	-	30.12
Brenham	21:15	Clear	10	80	72	75	CALM	-	30.13
Conroe	20:53	Clear	10	78	75	90	CALM	-	30.13
Cleveland	21:15	Haze	5				CALM	-	30.14
Liberty	21:15	Mist	6	78	75	88	CALM	-	30.12
Columbus	21:15	Clear	10	80	76	88	CALM	-	30.16
Spring	20:53	Clear	8	78	73	84	SSE 3	-	30.12
Houston Intercontinental Aprt	20:53	Mostly Cloudy	10	83	76	79	SE 10	91 [HI]	30.12
Katy/Brookshire	21:15	Partly Cloudy	9	80	80	100	S 5	-	30.15
Texas Medical Center Heliport	21:15	Mostly Cloudy	10	82	75	78	SE 10	-	30.12
Sugar Land	20:53	Clear	10	82	76	81	CALM	-	30.12
Houston Hobby Airport	20:53	Mostly Cloudy	10	83	74	74	E 6	-	30.11
Arcola/Sienna	21:15	Clear	10	79	78	95	CALM	-	30.14
Pearland	20:53	Clear	10	80	75	84	CALM	-	30.13
Ellington Field	20:54	Clear	10	80	75	83	E 6	-	30.10
La Porte	21:15	Clear	10	82	75	78	ESE 8	-	30.13
Wharton	21:15	Overcast	10	78	76	93	CALM	-	30.14
Galveston	10:52	Mostly Clear	10	89	77	67	E 10	102 [HI]	30.18
Bay City	21:15	Clear	10	78	78	100	NE 5	-	30.08
Palacios	20:53	Partly Cloudy	10	80	78	93	NNE 7	-	30.11
Rig 20 Miles SE of Galveston	21:15	Overcast	10	86	73	66	E 16G23	93 [HI]	30.13
Rig 20 Miles SE of Matagorda	21:20		10	86	78	79	VRB 6	98 [HI]	30.14

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