San Jacinto River near Sheldon
5.9 mi- Level
- 2.1 ft
- Flow
- 2,360 cfs
Forecast peak 2.5 ft Fri 10 AM
Reading from Fri 7:25 AM · NWS gauge page
Appearance
Ends in 11 h 1 min
Issued for this forecast zone · National Weather Service Houston/Galveston TX
AQAHGX
The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Friday, October 23, 2026.
Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Friday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned.
For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean
Areas: Inland Harris; Inland Brazoria; Inland Galveston; Coastal Harris; Coastal Brazoria; Coastal Galveston; Brazoria Islands; Galveston Island; Bolivar Peninsula
See it on weather.gov (opens in a new tab)Observed 9:54 AM CDT at KEFD
Sunny and 73°23°.
Today: low 63°17° (likely 56°13° to 63°17°), high 84°29° (likely 83°28° to 85°29°).
Now 73°23°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 10a | Sunny | 69°21° (likely 68°20° to 70°21°) | 69°21° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 55% | 0% | 2 |
| Fri 11a | Sunny | 76°24° (likely 74°23° to 76°24°) | 76°24° | 0% | 5 mph8 km/h from NE, gusts 6 mph10 km/h | 42% | 0% | 4 |
| Fri 12p | Sunny | 80°27° (likely 78°26° to 81°27°) | 80°27° | 0% | 5 mph8 km/h from E, gusts 6 mph9 km/h | 35% | 0% | 5 |
| Fri 1p | Sunny | 83°28° (likely 81°27° to 83°28°) | 81°27° | 0% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 31% | 0% | 6 |
| Fri 2p | Sunny | 84°29° (likely 83°28° to 84°29°) | 82°28° | 0% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 29% | 0% | 6 |
| Fri 3p | Sunny | 84°29° (likely 83°28° to 85°29°) | 82°28° | 0% | 5 mph8 km/h from SE, gusts 8 mph12 km/h | 28% | 0% | 5 |
| Fri 4p | Sunny | 84°29° (likely 82°28° to 85°29°) | 82°28° | 0% | 5 mph8 km/h from SE, gusts 11 mph17 km/h | 29% | 0% | 3 |
| Fri 5p | Sunny | 83°28° (likely 80°27° to 83°28°) | 81°27° | 0% | 5 mph8 km/h from SE, gusts 11 mph18 km/h | 32% | 0% | 1 |
| Fri 6p | Sunny | 81°27° (likely 77°25° to 81°27°) | 80°27° | 0% | 5 mph8 km/h from SE, gusts 11 mph17 km/h | 37% | 0% | 0 |
| Fri 7p | Clear | 77°25° (likely 73°23° to 77°25°) | 77°25° | 0% | 5 mph8 km/h from SE, gusts 10 mph16 km/h | 43% | 0% | 0 |
| Fri 8p | Clear | 75°24° (likely 71°22° to 75°24°) | 75°24° | 0% | 5 mph8 km/h from SE, gusts 10 mph16 km/h | 50% | 0% | 0 |
| Fri 9p | Clear | 72°22° (likely 69°21° to 72°22°) | 72°22° | 0% | 5 mph8 km/h from SE, gusts 9 mph15 km/h | 59% | 0% | 0 |
| Fri 10p | Clear | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 68% | 0% | 0 |
| Fri 11p | Clear | 69°21° (likely 66°19° to 69°21°) | 69°21° | 0% | 0 mph0 km/h, gusts 8 mph13 km/h | 73% | 0% | 0 |
| Sat 12a | Clear | 68°20° (likely 64°18° to 68°20°) | 68°20° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 76% | 1% | 0 |
| Sat 1a | Clear | 67°19° (likely 63°17° to 67°19°) | 67°19° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 78% | 3% | 0 |
| Sat 2a | Clear | 66°19° (likely 63°17° to 66°19°) | 66°19° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 81% | 6% | 0 |
| Sat 3a | Clear | 66°19° (likely 62°17° to 66°19°) | 66°19° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 81% | 2% | 0 |
| Sat 4a | Clear | 65°18° (likely 61°16° to 66°19°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 84% | 8% | 0 |
| Sat 5a | Mostly clear | 64°18° (likely 60°16° to 65°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 84% | 22% | 0 |
| Sat 6a | Clear | 63°17° (likely 59°15° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from NE, gusts 6 mph10 km/h | 87% | 16% | 0 |
| Sat 7a | Mostly sunny | 63°17° (likely 59°15° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from NE, gusts 8 mph13 km/h | 87% | 26% | 0 |
| Sat 8a | Partly sunny | 64°18° (likely 59°15° to 65°18°) | 64°18° | 0% | 5 mph8 km/h from NE, gusts 9 mph15 km/h | 87% | 36% | 0 |
| Sat 9a | Sunny | 69°21° (likely 64°18° to 69°21°) | 69°21° | 0% | 5 mph8 km/h from E, gusts 9 mph15 km/h | 76% | 19% | 1 |
| Sat 10a | Mostly sunny | 73°23° (likely 71°22° to 74°23°) | 73°23° | 0% | 5 mph8 km/h from E, gusts 10 mph16 km/h | 68% | 16% | 2 |
| Sat 11a | Sunny | 78°26° (likely 77°25° to 78°26°) | 78°26° | 0% | 10 mph16 km/h from E, gusts 11 mph18 km/h | 58% | 18% | 4 |
| Sat 12p | Mostly sunny | 81°27° (likely 79°26° to 81°27°) | 82°28° | 0% | 10 mph16 km/h from SE, gusts 13 mph21 km/h | 51% | 20% | 5 |
| Sat 1p | Sunny | 83°28° (likely 81°27° to 83°28°) | 83°28° | 0% | 10 mph16 km/h from SE, gusts 14 mph22 km/h | 46% | 27% | 6 |
| Sat 2p | Mostly sunny | 84°29° (likely 81°27° to 84°29°) | 84°29° | 0% | 10 mph16 km/h from SE, gusts 14 mph23 km/h | 43% | 19% | 6 |
| Sat 3p | Mostly sunny | 84°29° (likely 81°27° to 84°29°) | 84°29° | 0% | 10 mph16 km/h from SE, gusts 15 mph24 km/h | 43% | 26% | 5 |
| Sat 4p | Sunny | 84°29° (likely 80°27° to 84°29°) | 84°29° | 0% | 10 mph16 km/h from SE, gusts 15 mph25 km/h | 43% | 24% | 4 |
| Sat 5p | Sunny | 83°28° (likely 78°26° to 83°28°) | 83°28° | 0% | 10 mph16 km/h from SE, gusts 16 mph26 km/h | 46% | 22% | 3 |
| Sat 6p | Sunny | 81°27° (likely 76°24° to 81°27°) | 82°28° | 0% | 10 mph16 km/h from SE, gusts 16 mph26 km/h | 51% | 16% | 1 |
| Sat 7p | Clear | 77°25° (likely 73°23° to 77°25°) | 77°25° | 0% | 10 mph16 km/h from SE, gusts 14 mph23 km/h | 60% | 13% | 0 |
| Sat 8p | Clear | 76°24° (likely 70°21° to 76°24°) | 76°24° | 0% | 5 mph8 km/h from SE, gusts 12 mph19 km/h | 62% | 13% | 0 |
| Sat 9p | Clear | 74°23° (likely 68°20° to 74°23°) | 74°23° | 0% | 5 mph8 km/h from SE, gusts 10 mph17 km/h | 69% | 11% | 0 |
| Sat 10p | Clear | 71°22° (likely 66°19° to 71°22°) | 71°22° | 0% | 5 mph8 km/h from SE, gusts 10 mph15 km/h | 76% | 5% | 0 |
| Sat 11p | Clear | 69°21° (likely 64°18° to 70°21°) | 69°21° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 78% | 12% | 0 |
| Sun 12a | Mostly clear | 68°20° (likely 64°18° to 69°21°) | 68°20° | 0% | 5 mph8 km/h from SE, gusts 9 mph15 km/h | 81% | 19% | 0 |
| Sun 1a | Partly cloudy | 68°20° (likely 63°17° to 69°21°) | 68°20° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 81% | 22% | 0 |
| Sun 2a | Clear | 67°19° (likely 62°17° to 68°20°) | 67°19° | 0% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 81% | 14% | 0 |
| Sun 3a | Clear | 66°19° (likely 61°16° to 67°19°) | 66°19° | 0% | 5 mph8 km/h from E, gusts 6 mph10 km/h | 84% | 8% | 0 |
| Sun 4a | Partly cloudy | 65°18° (likely 61°16° to 67°19°) | 65°18° | 0% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 87% | 20% | 0 |
| Sun 5a | Partly cloudy | 64°18° (likely 61°16° to 66°19°) | 64°18° | 0% | 5 mph8 km/h from E, gusts 7 mph12 km/h | 90% | 58% | 0 |
| Sun 6a | Partly cloudy | 63°17° (likely 61°16° to 66°19°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 9 mph15 km/h | 90% | 56% | 0 |
| Sun 7a | Partly sunny | 63°17° (likely 60°16° to 66°19°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 11 mph17 km/h | 87% | 62% | 0 |
| Sun 8a | Partly sunny | 65°18° (likely 62°17° to 67°19°) | 65°18° | 0% | 5 mph8 km/h from E, gusts 12 mph20 km/h | 81% | 55% | 0 |
| Sun 9a | Partly sunny | 67°19° (likely 66°19° to 69°21°) | 67°19° | 0% | 10 mph16 km/h from E, gusts 15 mph24 km/h | 73% | 71% | 1 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny, with a high near 84. East wind 0 to 5 mph.
Tonight: Mostly clear, with a low around 63. East wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 84. East wind 5 to 10 mph.
Night: Mostly clear, with a low around 63. East wind 5 to 10 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 80. East wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 62.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 81.
Night: Mostly cloudy, with a low around 62.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 79.
Night: Partly cloudy, with a low around 62.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 80.
Night: Mostly clear, with a low around 62.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 63.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
30% chance · 0.38 in9.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
40% chance · 0.13 in3.3 mm
Afternoon
noon–6 PM
40% chance · 0.22 in5.5 mm
Evening
6 PM–midnight
40% chance
Overnight
midnight–6 AM
20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Dry, high 84°, low 63°.
Dry, high 84°, low 63°.
Dry, high 80°, low 62°, cooling off.
Mostly dry, highs 75–82°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (HGX) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 2.5 ft Fri 10 AM
Reading from Fri 7:25 AM · NWS gauge page
Reading from Fri 8:30 AM · NWS gauge page
Reading from Fri 8:45 AM · NWS gauge page
Reading from Fri 8:30 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 51% less cooling than a typical week.
Cooling degree days, base 65°F
Dry air outside (dew point 51°F).
Sat, 12:00 AM–8:00 AM
Good stretch to open the windows.
Today’s expected high is 4°2° warmer than typical.
On average 3°2° colder than normal (daily mean temperature).
Channelview weather by month: normals, records, snow and freeze dates
Sunrise 7:27 AM, sunset 6:41 PM.
Clear 7:05 PM–7 AM, but the moon is 95% lit and up.
Waxing gibbous
92% lit · growing