Observed 10:15 AM CDT at KBYY

Markham, TX weather

Sunny and 75°24°.

Mostly agree

Now 75°24°

Sunny

Wind: 5 mph8 km/h; 58–10 mph16 km/h through 11 PM
Dew point: 59°15°; A little sticky
UV index: 4Moderate; High 1–3 PM · peak 6
Pressure: 30.12 inHg1020 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 85°29° today at 3 PM
Below 70°21° tonight after 9 PM
Low 63°17° tomorrow at 7 AM
Above 70°21° tomorrow by 10 AM

This afternoonUp to 85°29° by 3 PM · Clear
TonightDown to 64°18° by 2 AM · Clear
Tomorrow morningUp to 79°26° by 11 AM · Partly cloudy
Tomorrow afternoonNear 83°28° · Partly cloudy
Tomorrow nightDown to 66°19° by 4 AM · Partly cloudy
Sunday morningUp to 75°24° by 10 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
Fri 11a	Sunny	75°24° (likely 74°23° to 78°26°)	75°24°	0%	5 mph8 km/h from E, gusts 10 mph15 km/h	59%	0%	4
Fri 12p	Sunny	80°27° (likely 77°25° to 82°28°)	80°27°	0%	5 mph8 km/h from E, gusts 12 mph20 km/h	48%	2%	5
Fri 1p	Sunny	82°28° (likely 80°27° to 84°29°)	82°28°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	43%	10%	6
Fri 2p	Sunny	83°28° (likely 82°28° to 85°29°)	82°28°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	40%	9%	6
Fri 3p	Sunny	85°29° (likely 83°28° to 85°29°)	84°29°	0%	10 mph16 km/h from SE, gusts 12 mph19 km/h	38%	11%	5
Fri 4p	Sunny	83°28° (likely 82°28° to 84°29°)	83°28°	0%	10 mph16 km/h from SE, gusts 14 mph22 km/h	39%	8%	3
Fri 5p	Sunny	83°28° (likely 80°27° to 83°28°)	82°28°	0%	10 mph16 km/h from SE, gusts 15 mph23 km/h	42%	7%	1
Fri 6p	Sunny	80°27° (likely 77°25° to 80°27°)	81°27°	0%	10 mph16 km/h from SE, gusts 15 mph25 km/h	48%	6%	0
Fri 7p	Clear	75°24° (likely 73°23° to 75°24°)	75°24°	0%	5 mph8 km/h from SE, gusts 14 mph22 km/h	60%	0%	0
Fri 8p	Clear	71°22° (likely 70°21° to 72°22°)	71°22°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	72%	0%	0
Fri 9p	Clear	69°21° (likely 68°20° to 69°21°)	69°21°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	79%	0%	0
Fri 10p	Clear	67°19° (likely 66°19° to 68°20°)	67°19°	0%	5 mph8 km/h from E, gusts 11 mph17 km/h	87%	0%	0
Fri 11p	Clear	66°19° (likely 65°18° to 67°19°)	66°19°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	90%	4%	0
Sat 12a	Clear	66°19° (likely 65°18° to 66°19°)	66°19°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	92%	6%	0
Sat 1a	Clear	65°18° (likely 64°18° to 66°19°)	65°18°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	95%	6%	0
Sat 2a	Clear	64°18° (likely 64°18° to 65°18°)	64°18°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	96%	8%	0
Sat 3a	Clear	64°18° (likely 63°17° to 65°18°)	64°18°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	95%	14%	0
Sat 4a	Mostly clear	64°18° (likely 63°17° to 65°18°)	64°18°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	96%	18%	0
Sat 5a	Mostly clear	64°18° (likely 62°17° to 65°18°)	64°18°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	95%	23%	0
Sat 6a	Mostly clear	64°18° (likely 62°17° to 65°18°)	64°18°	0%	5 mph8 km/h from NE, gusts 9 mph14 km/h	95%	27%	0
Sat 7a	Mostly clear	63°17° (likely 62°17° to 65°18°)	63°17°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	97%	75%	0
Sat 8a	Mostly sunny	65°18° (likely 63°17° to 67°19°)	65°18°	0%	5 mph8 km/h from NE, gusts 10 mph17 km/h	97%	54%	0
Sat 9a	Cloudy	69°21° (likely 66°19° to 72°22°)	69°21°	0%	5 mph8 km/h from NE, gusts 11 mph17 km/h	88%	79%	1
Sat 10a	Partly sunny	76°24° (likely 72°22° to 77°25°)	76°24°	0%	10 mph16 km/h from E, gusts 12 mph19 km/h	72%	67%	2
Sat 11a	Cloudy	79°26° (likely 77°25° to 81°27°)	81°27°	0%	10 mph16 km/h from E, gusts 13 mph22 km/h	64%	51%	4
Sat 12p	Partly sunny	82°28° (likely 81°27° to 84°29°)	83°28°	0%	10 mph16 km/h from SE, gusts 15 mph24 km/h	57%	40%	5
Sat 1p	Sunny	83°28° (likely 82°28° to 86°30°)	85°29°	0%	15 mph24 km/h from SE, gusts 16 mph26 km/h	52%	24%	6
Sat 2p	Sunny	83°28° (likely 83°28° to 86°30°)	85°29°	0%	15 mph24 km/h from SE, gusts 16 mph26 km/h	51%	28%	6
Sat 3p	Sunny	85°29° (likely 83°28° to 86°30°)	86°30°	0%	15 mph24 km/h from SE, gusts 16 mph26 km/h	48%	24%	6
Sat 4p	Sunny	83°28° (likely 82°28° to 85°29°)	85°29°	0%	15 mph24 km/h from SE, gusts 17 mph27 km/h	50%	22%	4
Sat 5p	Sunny	83°28° (likely 81°27° to 83°28°)	84°29°	0%	15 mph24 km/h from SE, gusts 17 mph28 km/h	51%	17%	3
Sat 6p	Sunny	80°27° (likely 78°26° to 80°27°)	82°28°	0%	10 mph16 km/h from SE, gusts 18 mph28 km/h	57%	13%	1
Sat 7p	Clear	76°24° (likely 74°23° to 77°25°)	76°24°	0%	10 mph16 km/h from E, gusts 16 mph25 km/h	66%	14%	0
Sat 8p	Clear	73°23° (likely 71°22° to 74°23°)	73°23°	0%	10 mph16 km/h from E, gusts 14 mph23 km/h	74%	15%	0
Sat 9p	Clear	71°22° (likely 70°21° to 72°22°)	71°22°	0%	10 mph16 km/h from E, gusts 13 mph22 km/h	81%	15%	0
Sat 10p	Clear	70°21° (likely 68°20° to 71°22°)	70°21°	0%	10 mph16 km/h from E, gusts 14 mph22 km/h	84%	23%	0
Sat 11p	Clear	69°21° (likely 67°19° to 70°21°)	69°21°	0%	10 mph16 km/h from E, gusts 13 mph22 km/h	87%	24%	0
Sun 12a	Cloudy	69°21° (likely 66°19° to 70°21°)	69°21°	0%	5 mph8 km/h from E, gusts 13 mph21 km/h	87%	62%	0
Sun 1a	Cloudy	68°20° (likely 66°19° to 69°21°)	68°20°	0%	5 mph8 km/h from E, gusts 13 mph21 km/h	89%	60%	0
Sun 2a	Mostly clear	67°19° (likely 65°18° to 68°20°)	67°19°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	89%	42%	0
Sun 3a	Mostly clear	67°19° (likely 64°18° to 67°19°)	67°19°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	86%	62%	0
Sun 4a	Cloudy	66°19° (likely 63°17° to 67°19°)	66°19°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	88%	83%	0
Sun 5a	Cloudy	66°19° (likely 63°17° to 67°19°)	66°19°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	85%	79%	0
Sun 6a	Mostly clear	66°19° (likely 64°18° to 67°19°)	66°19°	0%	10 mph16 km/h from NE, gusts 12 mph20 km/h	84%	75%	0
Sun 7a	Cloudy	66°19° (likely 64°18° to 67°19°)	66°19°	0%	10 mph16 km/h from NE, gusts 13 mph21 km/h	85%	91%	0
Sun 8a	Mostly sunny	67°19° (likely 66°19° to 70°21°)	67°19°	0%	10 mph16 km/h from NE, gusts 14 mph22 km/h	84%	81%	0
Sun 9a	Cloudy	70°21° (likely 70°21° to 73°23°)	70°21°	0%	10 mph16 km/h from E, gusts 16 mph25 km/h	76%	82%	1
Sun 10a	Partly sunny	75°24° (likely 75°24° to 77°25°)	75°24°	0%	10 mph16 km/h from E, gusts 18 mph29 km/h	65%	75%	2

Days ahead

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

Today, Oct 23. Sunny. High 85°29°, low 63°17°. Typical 81°27° / 59°15°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 85°29°
  Dry
2. Evening
  6 PM–midnight
  Clear, 71°22°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 64°18°
  Dry
Official NWS forecast
Today: Sunny, with a high near 85. East wind 5 to 10 mph.
Tonight: Clear, with a low around 63. East wind 5 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
83°28°–85°29°
Low, likely
55°13°–63°17°
Typical high / low
81°27° / 59°15°
Wind
12 mph19 km/h, gusts 19 mph30 km/h
UV peak
6
Tomorrow, Oct 24. Mostly sunny. High 85°29°, low 66°19°. Typical 81°27° / 59°15°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 65°18°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 85°29°
  Dry
3. Evening
  6 PM–midnight
  Clear, 73°23°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 66°19°
  Dry
Official NWS forecast
Day: Sunny, with a high near 85. East wind 5 to 15 mph, with gusts as high as 20 mph.
Night: Mostly clear, with a low around 66. 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
83°28°–86°30°
Low, likely
62°17°–66°19°
Typical high / low
81°27° / 59°15°
Wind
15 mph23 km/h, gusts 23 mph37 km/h
UV peak
6
Sunday, Oct 25. Cloudy. High 82°28°, low 64°18°. Typical 80°27° / 58°14°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 67°19°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 70°21°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 65°18°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny. High near 82, with temperatures falling to around 78 in the afternoon. East wind 10 to 15 mph.
Night: Mostly cloudy, with a low around 64.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
81°27°–82°28°
Low, likely
63°17°–66°19°
Typical high / low
80°27° / 58°14°
Wind
15 mph24 km/h, gusts 25 mph40 km/h
UV peak
6
Monday, Oct 26. Mostly cloudy. High 82°28°, low 63°17°. Typical 80°27° / 58°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 66°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, 67°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 82.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
80°27°–84°29°
Low, likely
63°17°–66°19°
Typical high / low
80°27° / 58°14°
Wind
13 mph21 km/h, gusts 21 mph33 km/h
UV peak
4
Tuesday, Oct 27. Showers. High 81°27°, low 61°16°. Typical 80°27° / 58°14°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 68°20°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 80°26°
  20% chance · 0.01 in0.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 67°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Night: A chance of rain showers before 7pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
78°26°–84°29°
Low, likely
61°16°–68°20°
Typical high / low
80°27° / 58°14°
Wind
12 mph19 km/h, gusts 20 mph31 km/h
UV peak
1
Wednesday, Oct 28. Drizzle. High 82°28°, low 61°16°. Typical 79°26° / 57°14°. Rain 0.07 in1.8 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 69°21°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 82°28°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 74°23°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 66°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Sunny, with a high near 82. Chance of precipitation is 30%.
Night: A slight chance of rain showers before 7pm. Mostly clear, with a low around 61. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
82°28°–83°28°
Low, likely
61°16°–69°21°
Typical high / low
79°26° / 57°14°
Wind
15 mph23 km/h, gusts 23 mph37 km/h
UV peak
5
Thursday, Oct 29. Partly sunny. High 82°28°, low 62°17°. Typical 79°26° / 57°14°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 69°20°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 83°28°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 73°23°
  20% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 67°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Night: A chance of rain showers before 7pm. Partly cloudy, with a low around 62.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
80°27°–86°30°
Low, likely
62°17°–69°21°
Typical high / low
79°26° / 57°14°
Wind
14 mph22 km/h, gusts 25 mph41 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 79°26°, low 68°20°. Typical 78°26° / 57°14°. Rain 0.31 in7.9 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Showers, 70°21°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 79°26°
  20% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Showers, 74°23°
  30% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Cloudy, 70°21°
  30% chance · 0.06 in1.5 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.
High, likely
73°23°–86°30°
Low, likely
66°19°–71°22°
Typical high / low
78°26° / 57°14°
Wind
13 mph21 km/h, gusts 27 mph43 km/h
Saturday, Oct 31. Showers. High 78°26°, low 69°21°. Typical 78°26° / 56°13°. Rain 0.33 in8.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 71°22°
  30% chance · 0.03 in0.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 74°23°
  40% chance · 0.29 in7.3 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 71°22°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 67°19°
  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
72°22°–83°28°
Low, likely
67°19°–70°21°
Typical high / low
78°26° / 56°13°
Wind
14 mph22 km/h, gusts 21 mph33 km/h
UV peak
2
Sunday, Nov 1. Partly sunny. High 82°28°, low 68°20°. Typical 78°26° / 56°13°. Rain 0.14 in3.6 mm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 68°20°
  20% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 79°26°
  20% chance · 0.1 in2.6 mm
3. Evening
  6 PM–midnight
  Clear, 73°23°
  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 agreeIndependent forecasts are close; the range is narrow.
High, likely
82°28°–84°29°
Low, likely
64°18°–72°22°
Typical high / low
78°26° / 56°13°
Wind
10 mph16 km/h, gusts 17 mph27 km/h
UV peak
5

10 days15 days30 days

The outlook

Today
Dry, high 85°, low 63°.
Tomorrow
Dry, high 85°, low 66°.
Sunday
Dry, high 82°, low 64°, cooling off.
Rest of week
Mostly dry, highs 78–82°.

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

Colorado River (TX) near Bay City

3.2 mi

Below flood stage

Level: 2.8 ft
Flow: 332 cfs

Forecast peak 3.7 ft Sat 4 AM

Reading from Fri 10:15 AM · NWS gauge page

Colorado River (TX) at Matagorda

19 mi

Below flood stage

Level: 1.8 ft
Flow: 1,210 cfs

Forecast peak 2.0 ft Fri 11 AM

Reading from Fri 10 AM · NWS gauge page

Colorado River (TX) at Wharton

24 mi

Below flood stage

Level: 7.9 ft
Flow: 337 cfs

Forecast peak 7.9 ft Fri 11 AM

Reading from Fri 9:15 AM · NWS gauge page

Tres Palacios River near Midfield

6.9 mi

Below flood stage

Level: 3.3 ft
Flow: 18 cfs

Reading from Fri 9:30 AM · NWS gauge page

For your home

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

Cooling this week

About 46% less cooling than a typical week.

This week 15Typical 28

Cooling degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 59°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Danevang 1 W · official normals 1991–2020 · records 1896–2026

Oct 23, today vs a typical year

Today’s expected high is 4°2° warmer than typical.

Last 7 days vs normal

On average 4°2° colder than normal (daily mean temperature).

−7°−4°SatOct 17
−12°−7°SunOct 18
−8°−4°MonOct 19
−1°TueOct 20
−1°WedOct 21
+1°±0°ThuOct 22
+1°FriOct 23

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

Sun & moon

Sun

Daylight: 11 h 16 min; Losing 1 min 38 s a day; shortest Dec 21, 58 min less
Golden hour: 6:13–7:00 PM; Morning 7:15–8:02 AM
Blue hour: 7:00–7:10 PM; Morning 7:06–7:15 AM; first light 7:06 AM

Stars tonight? Fair

Mostly clear 7:10 PM–6 AM, but the moon is 95% lit and up.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:51 AM · rises 5:08 PM
Full moon: Oct 25
New moon: Nov 9

Looking southwest from Markham. The highest point on the skyline is about 1,000 ft, 17 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Markham, TX weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Colorado River (TX) near Bay City

Colorado River (TX) at Matagorda

Colorado River (TX) at Wharton

Tres Palacios River near Midfield

For your home

Cooling this week

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon