Observed 10:20 AM CDT at KSGR

Sienna, TX weather

Sunny and 79°26°.

Mostly agree

Now 79°26°

Sunny

Wind: 8 mph13 km/h; From the east. 58–10 mph16 km/h through 10 PM
Dew point: 64°18°; Sticky
UV index: 4Moderate; High 1–3 PM · peak 6
Air quality: 98Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.22 inHg1023 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (72°22° then, 76°24° now)

Good hours for

High 86°30° today at 1 PM
Below 70°21° tonight after 9 PM
Low 61°16° tonight at 2 AM
Above 70°21° tomorrow by 10 AM

This morningUp to 80°27° by 11 AM · Partly cloudy
This afternoonNear 83°28° · Partly cloudy
TonightDown to 61°16° by 2 AM · Partly cloudy
Tomorrow morningUp to 77°25° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 79°26° · Cloudy
Tomorrow nightDown to 60°16° by 5 AM · Cloudy
Monday morningUp to 67°19° by 9 AM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Sunny	74°23° (likely 73°23° to 75°24°)	74°23°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	68%	22%	2
Sat 11a	Mostly sunny	80°27° (likely 78°26° to 80°27°)	82°28°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	58%	34%	4
Sat 12p	Mostly sunny	83°28° (likely 81°27° to 83°28°)	84°29°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	51%	35%	5
Sat 1p	Mostly sunny	86°30° (likely 83°28° to 86°30°)	86°30°	0%	10 mph16 km/h from SE, gusts 15 mph25 km/h	45%	29%	6
Sat 2p	Mostly sunny	86°30° (likely 84°29° to 86°30°)	86°30°	0%	10 mph16 km/h from SE, gusts 16 mph26 km/h	43%	33%	6
Sat 3p	Mostly sunny	86°30° (likely 83°28° to 86°30°)	86°30°	0%	10 mph16 km/h from SE, gusts 17 mph28 km/h	43%	29%	5
Sat 4p	Mostly sunny	86°30° (likely 82°28° to 86°30°)	86°30°	0%	10 mph16 km/h from SE, gusts 17 mph28 km/h	43%	36%	4
Sat 5p	Mostly sunny	83°28° (likely 80°27° to 83°28°)	83°28°	0%	10 mph16 km/h from SE, gusts 17 mph27 km/h	48%	31%	3
Sat 6p	Sunny	81°27° (likely 77°25° to 81°27°)	82°28°	0%	10 mph16 km/h from SE, gusts 17 mph27 km/h	53%	32%	1
Sat 7p	Clear	75°24° (likely 74°23° to 76°24°)	75°24°	0%	5 mph8 km/h from SE, gusts 16 mph26 km/h	66%	38%	0
Sat 8p	Clear	71°22° (likely 71°22° to 73°23°)	71°22°	0%	5 mph8 km/h from E, gusts 14 mph23 km/h	76%	44%	0
Sat 9p	Clear	69°21° (likely 69°21° to 71°22°)	69°21°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	81%	41%	0
Sat 10p	Clear	66°19° (likely 66°19° to 70°21°)	66°19°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	93%	40%	0
Sat 11p	Clear	65°18° (likely 65°18° to 69°21°)	65°18°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	93%	35%	0
Sun 12a	Mostly clear	63°17° (likely 63°17° to 68°20°)	63°17°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	97%	26%	0
Sun 1a	Clear	62°17° (likely 62°17° to 68°20°)	62°17°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	100%	24%	0
Sun 2a	Clear	61°16° (likely 61°16° to 67°19°)	61°16°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	100%	27%	0
Sun 3a	Cloudy	61°16° (likely 61°16° to 66°19°)	61°16°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	97%	71%	0
Sun 4a	Partly cloudy	61°16° (likely 61°16° to 65°18°)	61°16°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	97%	70%	0
Sun 5a	Partly cloudy	61°16° (likely 61°16° to 65°18°)	61°16°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	97%	70%	0
Sun 6a	Partly cloudy	61°16° (likely 60°16° to 65°18°)	61°16°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	93%	68%	0
Sun 7a	Cloudy	61°16° (likely 60°16° to 65°18°)	61°16°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	97%	80%	0
Sun 8a	Cloudy	61°16° (likely 60°16° to 67°19°)	61°16°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	97%	83%	0
Sun 9a	Cloudy	67°19° (likely 67°19° to 71°22°)	67°19°	0%	10 mph16 km/h from E, gusts 12 mph20 km/h	78%	84%	1
Sun 10a	Cloudy	74°23° (likely 73°23° to 75°24°)	74°23°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	59%	83%	2
Sun 11a	Partly sunny	77°25° (likely 77°25° to 78°26°)	77°25°	0%	10 mph16 km/h from E, gusts 17 mph28 km/h	50%	75%	3
Sun 12p	Cloudy	79°26° (likely 79°26° to 81°27°)	79°26°	0%	10 mph16 km/h from E, gusts 17 mph28 km/h	44%	84%	5
Sun 1p	Cloudy	81°27° (likely 79°26° to 83°28°)	80°27°	0%	10 mph16 km/h from E, gusts 18 mph28 km/h	38%	87%	5
Sun 2p	Cloudy	81°27° (likely 80°27° to 83°28°)	80°27°	0%	10 mph16 km/h from E, gusts 17 mph28 km/h	37%	88%	5
Sun 3p	Cloudy	82°28° (likely 80°27° to 83°28°)	81°27°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	34%	85%	5
Sun 4p	Cloudy	81°27° (likely 79°26° to 82°28°)	80°27°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	35%	85%	4
Sun 5p	Cloudy	79°26° (likely 77°25° to 80°27°)	79°26°	0%	10 mph16 km/h from E, gusts 15 mph25 km/h	38%	89%	2
Sun 6p	Cloudy	77°25° (likely 74°23° to 78°26°)	77°25°	0%	10 mph16 km/h from E, gusts 15 mph25 km/h	42%	93%	1
Sun 7p	Cloudy	71°22° (likely 71°22° to 73°23°)	71°22°	0%	5 mph8 km/h from E, gusts 14 mph22 km/h	51%	96%	0
Sun 8p	Cloudy	67°19° (likely 67°19° to 70°21°)	67°19°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	61%	96%	0
Sun 9p	Cloudy	65°18° (likely 65°18° to 68°20°)	65°18°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	68%	96%	0
Sun 10p	Cloudy	63°17° (likely 63°17° to 67°19°)	63°17°	0%	0 mph0 km/h, gusts 10 mph15 km/h	75%	94%	0
Sun 11p	Cloudy	62°17° (likely 62°17° to 66°19°)	62°17°	0%	0 mph0 km/h, gusts 9 mph15 km/h	81%	97%	0
Mon 12a	Cloudy	61°16° (likely 61°16° to 66°19°)	61°16°	0%	0 mph0 km/h, gusts 8 mph13 km/h	84%	97%	0
Mon 1a	Cloudy	61°16° (likely 61°16° to 66°19°)	61°16°	0%	0 mph0 km/h, gusts 7 mph12 km/h	87%	96%	0
Mon 2a	Cloudy	61°16° (likely 61°16° to 66°19°)	61°16°	0%	0 mph0 km/h, gusts 6 mph10 km/h	87%	98%	0
Mon 3a	Cloudy	61°16° (likely 61°16° to 66°19°)	61°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	90%	97%	0
Mon 4a	Cloudy	61°16° (likely 61°16° to 66°19°)	61°16°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	90%	98%	0
Mon 5a	Cloudy	60°16° (likely 60°16° to 65°18°)	60°16°	0%	5 mph8 km/h from NE, gusts 9 mph14 km/h	93%	88%	0
Mon 6a	Cloudy	60°16° (likely 60°16° to 65°18°)	60°16°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	90%	78%	0
Mon 7a	Cloudy	61°16° (likely 61°16° to 65°18°)	61°16°	0%	5 mph8 km/h from NE, gusts 12 mph19 km/h	87%	60%	0
Mon 8a	Mostly cloudy	64°18° (likely 62°17° to 68°20°)	64°18°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	81%	63%	0
Mon 9a	Mostly cloudy	67°19° (likely 66°19° to 71°22°)	67°19°	0%	5 mph8 km/h from NE, gusts 12 mph20 km/h	73%	63%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 86°30°, low 61°16°. Typical 81°27° / 59°15°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 80°27°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 86°30°
  Dry
3. Evening
  6 PM–midnight
  Clear, 71°22°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 61°16°
  Dry
Official NWS forecast
Today: Sunny. High near 86, with temperatures falling to around 83 in the afternoon. East wind 5 to 10 mph, with gusts as high as 25 mph.
Tonight: Mostly clear, with a low around 61. East wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
84°29°–86°30°
Low, likely
57°14°–61°16°
Typical high / low
81°27° / 59°15°
Wind
14 mph22 km/h, gusts 24 mph38 km/h
UV peak
6
Tomorrow, Oct 25. Cloudy. High 82°28°, low 60°16°. Typical 81°27° / 59°15°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  Dry
Official NWS forecast
Day: Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. East wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 60. East wind 0 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
80°27°–83°28°
Low, likely
60°16°–64°18°
Typical high / low
81°27° / 59°15°
Wind
13 mph21 km/h, gusts 22 mph36 km/h
UV peak
5
Monday, Oct 26. Cloudy. High 83°28°, low 62°17°. Typical 80°27° / 59°15°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 64°18°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 69°21°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 65°18°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. East wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 62.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
81°27°–83°28°
Low, likely
61°16°–65°18°
Typical high / low
80°27° / 59°15°
Wind
15 mph23 km/h, gusts 21 mph34 km/h
UV peak
6
Tuesday, Oct 27. Mostly cloudy. High 82°28°, low 63°17°. Typical 80°27° / 58°14°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 67°19°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 68°20°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 82°28°).
High, likely
78°26°–83°28°
Low, likely
63°17°–66°19°
Typical high / low
80°27° / 58°14°
Wind
13 mph21 km/h, gusts 19 mph31 km/h
UV peak
3
Wednesday, Oct 28. Drizzle. High 83°28°, low 62°17°. Typical 80°27° / 58°14°. Rain 0.1 in2.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 70°21°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 82°28°
  40% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Clear, 73°23°
  30% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 66°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
80°27°–84°29°
Low, likely
62°17°–69°21°
Typical high / low
80°27° / 58°14°
Wind
16 mph26 km/h, gusts 23 mph37 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 83°28°, low 62°17°. Typical 79°26° / 58°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 68°20°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 84°29°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 66°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
80°27°–85°29°
Low, likely
62°17°–68°20°
Typical high / low
79°26° / 58°14°
Wind
16 mph26 km/h
UV peak
5
Friday, Oct 30. Showers. High 81°27°, low 63°17°. Typical 79°26° / 57°14°. Rain 0.07 in1.8 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 68°20°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 79°26°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 73°23°
  30% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 67°20°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 63.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
79°26°–81°27°
Low, likely
62°17°–68°20°
Typical high / low
79°26° / 57°14°
Wind
14 mph23 km/h, gusts 23 mph36 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 82°28°, low 69°21°. Typical 78°26° / 57°14°. Rain 0.1 in2.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 72°22°
  20% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 83°28°
  30% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 76°25°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Clear, 72°22°
  Dry
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.
High, likely
79°26°–88°31°
Low, likely
68°20°–71°22°
Typical high / low
78°26° / 57°14°
Wind
16 mph26 km/h, gusts 23 mph36 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 85°29°, low 72°22°. Typical 78°26° / 57°14°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 74°24°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 86°30°
  20% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 79°26°
  30% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 74°23°
  Dry
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.
High, likely
81°27°–91°33°
Low, likely
69°21°–74°23°
Typical high / low
78°26° / 57°14°
Wind
13 mph21 km/h, gusts 22 mph35 km/h
UV peak
5
Monday, Nov 2. Showers. High 81°27°, low 68°20°. Typical 78°26° / 56°13°. Rain 0.2 in5.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 75°24°
  20% chance · 0.14 in3.5 mm
2. Afternoon
  noon–6 PM
  Mostly sunny, 77°25°
  30% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Clear, 72°22°
  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.
High, likely
77°25°–87°31°
Low, likely
65°18°–72°22°
Typical high / low
78°26° / 56°13°
Wind
23 mph36 km/h, gusts 33 mph53 km/h
UV peak
5

10 days15 days30 days

The outlook

Today
Dry, high 86°, low 61°.
Tomorrow
Dry, high 82°, low 60°, cooling off.
Monday
Dry, high 83°, low 62°.
Rest of week
Mostly dry, highs 81–85°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (HGX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Brazos River near Rosharon

10 mi

Below flood stage

Level: 4.5 ft
Flow: 449 cfs

Forecast peak 4.9 ft Tue 4 PM

Reading from Sat 9 AM · NWS gauge page

Brazos River at US 59

11 mi

Below flood stage

Level: 27.6 ft
Flow: 587 cfs

Forecast peak 27.9 ft Wed 10 AM

Reading from Sat 9 AM · NWS gauge page

Brazos River at Richmond

17 mi

Below flood stage

Level: 8.4 ft
Flow: 564 cfs

Forecast peak 8.6 ft Wed 1 PM

Reading from Sat 9:15 AM · NWS gauge page

Hickory Slough at FM 865 near Pearland

11 mi

Below flood stage

Level: 44.9 ft

Reading from Sat 9:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

About 56% less cooling than a typical week.

This week 13Typical 29

Cooling degree days, base 65°F

Comfort

Sticky, humid air (dew point 64°F).

Open the windows?

Sun, 3:00 AM–11:00 AM

Good stretch to open the windows.

Is this typical?

Houston Sugarland Mem · official normals 1991–2020 · records 2000–2026

Oct 24, today vs a typical year

Today’s expected high is 5°3° warmer than typical.

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

−10°−6°SunOct 18
−5°−3°MonOct 19
−3°−2°TueOct 20
+2°+1°WedOct 21
±0°ThuOct 22
±0°FriOct 23
—SatOct 24

Sienna weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 13 min; Losing 1 min 38 s a day; shortest Dec 21, 58 min less
Golden hour: 6:09–6:57 PM; Morning 7:14–8:02 AM
Blue hour: 6:57–7:06 PM; Morning 7:05–7:14 AM; first light 7:05 AM

Stars tonight? Poor

Clouds most of the night (about 49% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:50 AM · rises 5:38 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Sienna. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Sienna, TX weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Brazos River near Rosharon

Brazos River at US 59

Brazos River at Richmond

Hickory Slough at FM 865 near Pearland

For your home

Cooling this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon