Observed 3:15 AM CDT at KLVJ

Nassau Bay, TX weather

Clear and 61°16°.

Forecasts agree

Now 61°16°

Clear

Wind: Calm; Up to 15 mph24 km/h through 3 PM
Dew point: 57°14°; A little sticky · up to 66°19° by 10 AM (muggy)
UV index: 0Low; High 1–3 PM · peak 6
Air quality: 84Moderate; Main pollutant: Ozone
Pressure: 30.15 inHg1021 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 70°21° today by 9 AM
High 82°28° today at 2 PM

TonightNear 65°18° · Clear
This morningUp to 79°26° by 11 AM · Clear
This afternoonNear 80°27° · Partly cloudy
TonightDown to 67°19° by 5 AM · Partly cloudy
Tomorrow morningUp to 76°24° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 78°26° · Mostly cloudy
Tomorrow nightDown to 65°18° by midnight · 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 3a	Clear	65°18° (likely 63°17° to 68°20°)	65°18°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	3%	0
Sat 4a	Clear	65°18° (likely 63°17° to 68°20°)	65°18°	0%	0 mph0 km/h, gusts 5 mph9 km/h	93%	4%	0
Sat 5a	Clear	65°18° (likely 62°17° to 68°20°)	65°18°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	11%	0
Sat 6a	Clear	65°18° (likely 63°17° to 68°20°)	65°18°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	10%	0
Sat 7a	Sunny	65°18° (likely 63°17° to 69°21°)	65°18°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	93%	12%	0
Sat 8a	Sunny	66°19° (likely 64°18° to 70°21°)	66°19°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	93%	12%	0
Sat 9a	Sunny	72°22° (likely 71°22° to 73°23°)	72°22°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	79%	15%	1
Sat 10a	Sunny	75°24° (likely 74°23° to 77°25°)	75°24°	0%	10 mph16 km/h from E, gusts 15 mph23 km/h	74%	22%	2
Sat 11a	Sunny	79°26° (likely 77°25° to 79°26°)	79°26°	0%	10 mph16 km/h from E, gusts 15 mph25 km/h	62%	26%	4
Sat 12p	Sunny	80°27° (likely 78°26° to 81°27°)	82°28°	0%	10 mph16 km/h from E, gusts 17 mph28 km/h	58%	30%	5
Sat 1p	Sunny	81°27° (likely 79°26° to 82°28°)	82°28°	0%	15 mph24 km/h from E, gusts 17 mph28 km/h	54%	27%	6
Sat 2p	Sunny	82°28° (likely 80°27° to 82°28°)	83°28°	0%	15 mph24 km/h from E, gusts 17 mph27 km/h	53%	29%	6
Sat 3p	Sunny	82°28° (likely 80°27° to 82°28°)	83°28°	0%	15 mph24 km/h from E, gusts 15 mph24 km/h	53%	26%	5
Sat 4p	Sunny	81°27° (likely 79°26° to 81°27°)	82°28°	0%	10 mph16 km/h from SE, gusts 14 mph23 km/h	54%	21%	4
Sat 5p	Sunny	80°27° (likely 78°26° to 80°27°)	82°28°	0%	10 mph16 km/h from SE, gusts 15 mph23 km/h	58%	20%	3
Sat 6p	Sunny	77°25° (likely 76°24° to 78°26°)	77°25°	0%	10 mph16 km/h from SE, gusts 15 mph23 km/h	64%	23%	1
Sat 7p	Clear	75°24° (likely 72°22° to 75°24°)	75°24°	0%	10 mph16 km/h from SE, gusts 15 mph24 km/h	71%	18%	0
Sat 8p	Clear	73°23° (likely 70°21° to 74°23°)	73°23°	0%	10 mph16 km/h from SE, gusts 12 mph19 km/h	76%	21%	0
Sat 9p	Clear	71°22° (likely 69°21° to 73°23°)	71°22°	0%	10 mph16 km/h from E, gusts 12 mph19 km/h	79%	17%	0
Sat 10p	Cloudy	70°21° (likely 68°20° to 72°22°)	70°21°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	81%	58%	0
Sat 11p	Mostly clear	69°21° (likely 67°19° to 72°22°)	69°21°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	81%	19%	0
Sun 12a	Mostly clear	69°21° (likely 66°19° to 72°22°)	69°21°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	81%	33%	0
Sun 1a	Partly cloudy	68°20° (likely 65°18° to 72°22°)	68°20°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	84%	48%	0
Sun 2a	Partly cloudy	68°20° (likely 65°18° to 71°22°)	68°20°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	81%	49%	0
Sun 3a	Partly cloudy	68°20° (likely 64°18° to 71°22°)	68°20°	0%	5 mph8 km/h from E, gusts 12 mph20 km/h	84%	50%	0
Sun 4a	Mostly clear	68°20° (likely 64°18° to 71°22°)	68°20°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	81%	47%	0
Sun 5a	Partly cloudy	67°19° (likely 64°18° to 71°22°)	67°19°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	84%	56%	0
Sun 6a	Partly cloudy	67°19° (likely 64°18° to 71°22°)	67°19°	0%	10 mph16 km/h from E, gusts 10 mph16 km/h	84%	72%	0
Sun 7a	Partly sunny	66°19° (likely 64°18° to 70°21°)	66°19°	0%	10 mph16 km/h from E, gusts 11 mph18 km/h	84%	76%	0
Sun 8a	Cloudy	67°19° (likely 64°18° to 70°21°)	67°19°	0%	10 mph16 km/h from E, gusts 12 mph19 km/h	81%	85%	0
Sun 9a	Cloudy	71°22° (likely 70°21° to 73°23°)	71°22°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	66%	84%	1
Sun 10a	Cloudy	74°23° (likely 72°22° to 75°24°)	74°23°	0%	10 mph16 km/h from E, gusts 17 mph28 km/h	57%	84%	2
Sun 11a	Cloudy	76°24° (likely 75°24° to 77°25°)	76°24°	0%	15 mph24 km/h from E, gusts 17 mph27 km/h	52%	85%	3
Sun 12p	Partly sunny	78°26° (likely 76°24° to 78°26°)	78°26°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	47%	75%	5
Sun 1p	Cloudy	79°26° (likely 77°25° to 79°26°)	79°26°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	44%	79%	5
Sun 2p	Cloudy	79°26° (likely 77°25° to 80°27°)	79°26°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	42%	90%	6
Sun 3p	Cloudy	79°26° (likely 77°25° to 80°27°)	79°26°	0%	10 mph16 km/h from E, gusts 16 mph26 km/h	42%	86%	5
Sun 4p	Cloudy	79°26° (likely 76°24° to 79°26°)	79°26°	0%	10 mph16 km/h from E, gusts 15 mph25 km/h	41%	89%	4
Sun 5p	Cloudy	78°26° (likely 75°24° to 78°26°)	78°26°	0%	10 mph16 km/h from E, gusts 15 mph25 km/h	42%	87%	2
Sun 6p	Cloudy	75°24° (likely 73°23° to 75°24°)	75°24°	0%	10 mph16 km/h from E, gusts 16 mph25 km/h	48%	93%	1
Sun 7p	Cloudy	72°22° (likely 70°21° to 72°22°)	72°22°	0%	5 mph8 km/h from E, gusts 14 mph23 km/h	55%	92%	0
Sun 8p	Cloudy	70°21° (likely 68°20° to 71°22°)	70°21°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	61%	93%	0
Sun 9p	Cloudy	69°21° (likely 66°19° to 71°22°)	69°21°	0%	5 mph8 km/h from E, gusts 10 mph17 km/h	66%	95%	0
Sun 10p	Cloudy	68°20° (likely 65°18° to 70°21°)	68°20°	0%	5 mph8 km/h from E, gusts 10 mph15 km/h	70%	95%	0
Sun 11p	Cloudy	66°19° (likely 65°18° to 70°21°)	66°19°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	78%	96%	0
Mon 12a	Cloudy	65°18° (likely 65°18° to 70°21°)	65°18°	0%	0 mph0 km/h, gusts 7 mph11 km/h	81%	97%	0
Mon 1a	Cloudy	65°18° (likely 65°18° to 71°22°)	65°18°	0%	0 mph0 km/h, gusts 6 mph9 km/h	81%	98%	0
Mon 2a	Cloudy	65°18° (likely 65°18° to 72°22°)	65°18°	0%	0 mph0 km/h, gusts 4 mph7 km/h	84%	97%	0

Days ahead

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

Today, Oct 24. Sunny. High 82°28°, low 65°18°. Typical 80°27° / 61°16°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 66°19°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Clear, 73°23°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 67°19°
  Dry
Official NWS forecast
Today: Sunny, with a high near 82. East wind 0 to 15 mph, with gusts as high as 20 mph.
Tonight: Clear, with a low around 65. Southeast wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
80°27°–82°28°
Low, likely
62°17°–67°19°
Typical high / low
80°27° / 61°16°
Wind
13 mph22 km/h, gusts 25 mph40 km/h
UV peak
6
Tomorrow, Oct 25. Cloudy. High 79°26°, low 63°17°. Typical 79°26° / 61°16°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 67°19°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 70°21°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 65°18°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 79. East wind 10 to 15 mph.
Night: Mostly cloudy, with a low around 63. East wind 0 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–80°27°
Low, likely
63°17°–70°21°
Typical high / low
79°26° / 61°16°
Wind
15 mph23 km/h, gusts 23 mph37 km/h
UV peak
6
Monday, Oct 26. Cloudy. High 80°27°, low 65°18°. Typical 79°26° / 60°16°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 67°19°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 71°22°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 69°20°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 80.
Night: Mostly cloudy, with a low around 65.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–80°27°
Low, likely
64°18°–69°21°
Typical high / low
79°26° / 60°16°
Wind
12 mph20 km/h, gusts 24 mph38 km/h
UV peak
6
Tuesday, Oct 27. Mostly cloudy. High 79°26°, low 66°19°. Typical 79°26° / 60°16°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 69°20°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 73°23°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 71°21°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 79.
Night: Mostly cloudy, with a low around 66.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
77°25°–79°26°
Low, likely
65°18°–70°21°
Typical high / low
79°26° / 60°16°
Wind
11 mph18 km/h, gusts 19 mph31 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 81°27°, low 65°18°. Typical 78°26° / 60°16°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 71°22°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Clear, 73°23°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 70°21°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of showers and thunderstorms after 7am. 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 65. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–82°28°
Low, likely
65°18°–72°22°
Typical high / low
78°26° / 60°16°
Wind
14 mph22 km/h, gusts 24 mph38 km/h
UV peak
6
Thursday, Oct 29. Partly sunny. High 80°27°, low 65°18°. Typical 78°26° / 59°15°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 71°22°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 73°23°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 69°20°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 80.
Night: Partly cloudy, with a low around 65.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–82°28°
Low, likely
65°18°–71°22°
Typical high / low
78°26° / 59°15°
Wind
14 mph23 km/h, gusts 20 mph31 km/h
UV peak
5
Friday, Oct 30. Cloudy. High 79°26°, low 69°21°. Typical 78°26° / 59°15°. Rain 0.1 in2.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 70°21°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 79°26°
  20% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 73°23°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 70°21°
  30% chance · 0.01 in0.3 mm
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 79.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–79°26°
Low, likely
65°18°–71°22°
Typical high / low
78°26° / 59°15°
Wind
15 mph23 km/h, gusts 25 mph40 km/h
UV peak
5
Saturday, Oct 31. Drizzle. High 81°27°, low 72°22°. Typical 77°25° / 59°15°. Rain 0.1 in2.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 73°23°
  30% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 82°28°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Clear, 76°24°
  20% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Clear, 75°24°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–84°29°
Low, likely
71°22°–73°23°
Typical high / low
77°25° / 59°15°
Wind
14 mph23 km/h, gusts 23 mph37 km/h
UV peak
5
Sunday, Nov 1. Drizzle. High 84°29°, low 74°23°. Typical 77°25° / 58°14°. Rain 0.09 in2.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 76°24°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 84°29°
  Dry
3. Evening
  6 PM–midnight
  Clear, 78°25°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
81°27°–88°31°
Low, likely
73°23°–76°24°
Typical high / low
77°25° / 58°14°
Wind
13 mph21 km/h, gusts 23 mph36 km/h
UV peak
4
Monday, Nov 2. Showers. High 84°29°, low 72°22°. Typical 77°25° / 58°14°. Rain 0.1 in2.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 78°26°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 78°26°
  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
70°21°–73°23°
Typical high / low
77°25° / 58°14°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 82°, low 65°.
Tomorrow
Dry, high 79°, low 63°, cooling off.
Monday
Dry, high 80°, low 65°.
Rest of week
Mostly dry, highs 79–84°.

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

San Jacinto River near Sheldon

23 mi

Below flood stage

Level: 1.4 ft
Flow: 749 cfs

Forecast peak 2.5 ft Sat 7 PM

Reading from Sat 2:20 AM · NWS gauge page

Clear Creek at Friendswood

5.8 mi

Below flood stage

Level: 1.4 ft
Flow: 1,560 cfs

Reading from Sat 1:15 AM · NWS gauge page

Dickinson Bayou at SH 517 near Alvin

9.0 mi

Below flood stage

Level: 12.1 ft

Reading from Sat 2 AM · NWS gauge page

Highland Bayou at FM 646 near Santa Fe

11 mi

Below flood stage

Level: 9.8 ft

Reading from Sat 2 AM · NWS gauge page

For your home

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

Cooling this week

About 54% less cooling than a typical week.

This week 14Typical 31

Cooling degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 57°F).

Open the windows?

Sun, 9:00 AM–12:00 PM

Good stretch to open the windows.

Is this typical?

HOUSTON WILLIAM P HOBBY AP · official normals 1991–2020 · records 1930–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° warmer than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−7°−4°SunOct 18
−3°−2°MonOct 19
−2°−1°TueOct 20
+3°+2°WedOct 21
+2°+1°ThuOct 22
—FriOct 23
—SatOct 24

Nassau Bay weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 13 min; Losing 1 min 34 s a day; shortest Dec 21, 58 min less
Golden hour: 6:08–6:55 PM; Morning 7:13–8:00 AM
Blue hour: 6:55–7:04 PM; Morning 7:03–7:13 AM; first light 7:03 AM

Stars tonight? Good

Clear 3:44–7:03 AM; moon 96% lit, sets 5:48 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:48 AM · rises 5:36 PM
Full moon: Oct 25
New moon: Nov 9

Looking east from Nassau Bay. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Nassau Bay, TX weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

San Jacinto River near Sheldon

Clear Creek at Friendswood

Dickinson Bayou at SH 517 near Alvin

Highland Bayou at FM 646 near Santa Fe

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? Good

Moon