NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sat, Jul 18, 2026 at 9:30:17 am CDT

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Saturday

Tonight’s Outlook

Weekend Outlook

Extended Outlook

Radar Outage

Partly cloudy skies are expected across the region on Saturday, with daytime highs into the low-mid 90s and overnight lows in the 70s.

Low temperatures settle into the mid 70s to low 80s. Conditions are expected to be partly cloud. Isolated showers and thunderstorms will be possible overnight

Mostly sunny and warmer. Highs in the mid 90s inland, around 90 coast. Lows 75-81.

The heat will build this weekend into next week. Heat index levels could approach Heat Advisory criteria by Tuesday. Rain chances will remain low through the middle of the week. Rain chances may rise by week's end.

HGX radar is currently out of service due to an unanticipated disruption. Electronic Technicians will be working on the radar later today.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	23:35	Clear	10	80	72	77	SSE 6	-	30.12
College Station	08:53	Overcast	10	80	77	90	S 9	-	30.12
Caldwell	23:55	Clear	10	78	71	78	S 6	-	30.11
Huntsville	08:53	Clear	10	81	78	90	SW 7	-	30.13
Navasota	09:15	Mostly Clear	9	83	83	100	SSW 9	98 [HI]	30.11
Brenham	06:55	Mist	2	75	75	100	CALM	-	30.11
Conroe	08:53	Mostly Clear	10	82	78	87	SSW 5	91 [HI]	30.13
Cleveland	09:15	Clear	10				SSW 5	-	30.15
Liberty	23:55	Clear	9	78	78	100	CALM	-	30.10
Columbus	23:35	Clear	10	79	76	91	SSE 3	-	30.12
Spring	08:53	Mostly Clear	7	84	78	82	VRB 7	95 [HI]	30.12
Houston Intercontinental Aprt	08:53	Mostly Cloudy	10	84	78	82	VRB 5	95 [HI]	30.12
Katy/Brookshire	09:15	Mostly Clear	7	86	80	84	SSW 9	101 [HI]	30.14
Texas Medical Center Heliport	09:15	Mostly Cloudy	8	84	77	79	SW 8	94 [HI]	30.12
Sugar Land	08:53	Clear	10	84	79	84	SSW 6	96 [HI]	30.11
Houston Hobby Airport	08:53	Mostly Cloudy	10	85	78	80	S 10	97 [HI]	30.11
Arcola/Sienna	23:55	Clear	10	79	75	88	CALM	-	30.12
Pearland	08:53	Mostly Clear	8	84	77	79	S 8	94 [HI]	30.13
Ellington Field	08:54	Mostly Clear	10	84	78	83	S 9	95 [HI]	30.10
La Porte	23:55	Clear	10	82	77	83	S 7	-	30.12
Angleton/Lake Jackson	08:53	Clear	10	83	79	87	S 5	94 [HI]	30.12
Galveston	08:52	Mostly Clear	10	85	77	77	S 9	95 [HI]	30.13
Bay City	09:15	Clear	10	86	84	96	SSE 7	107 [HI]	30.08
Palacios	08:53	Clear	10	86	77	74	S 12	97 [HI]	30.10
Rig 20 Miles SE of Matagorda	09:20		9	86	80	84	SSE 9	101 [HI]	30.16

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