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Current weather in Sundown is few clouds.

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Weather data for Sundown is updated regularly with the latest available observations and forecasts.

Now · 9:27 PM

Sundown Weather & Hourly Forecast

United States · Texas · 79372

90°F

Mostly clear night

Feels like: 83°F

💧 Humidity 27% 🌡 Pressure 29.85 inHg 💨 Wind 13 mph 👁 Visibility 35.3 mi ☁ Clouds 18% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Sundown

Today

10:00 PM

Clear night

87° 💧 0.000 in 💨 13 mph H 32%29.88 inHg

Tomorrow

1:00 AM

Clear night

82° 💧 None 💨 15 mph H 44%29.94 inHg

4:00 AM

Clear night

78° 💧 None 💨 13 mph H 53%29.94 inHg

7:00 AM

Clear night

74° 💧 None 💨 12 mph H 65%29.97 inHg

10:00 AM

Sunny

78° 💧 None 💨 15 mph H 63%29.97 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 15 mph H 38%29.91 inHg

4:00 PM

Mostly sunny

95° 💧 0.001 in 💨 12 mph H 25%29.80 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 13 mph H 26%29.77 inHg

10:00 PM

Clear night

86° 💧 None 💨 15 mph H 33%29.85 inHg

Tuesday

1:00 AM

Clear night

82° 💧 None 💨 14 mph H 40%29.88 inHg

4:00 AM

Clear night

78° 💧 None 💨 12 mph H 51%29.91 inHg

7:00 AM

Clear night

76° 💧 None 💨 11 mph H 53%29.91 inHg

10:00 AM

Sunny

82° 💧 None 💨 12 mph H 46%29.97 inHg

1:00 PM

Strong thunderstorm

93° 💧 0.002 in 💨 9 mph H 32%29.94 inHg

4:00 PM

Strong thunderstorm

97° 💧 0.024 in 💨 11 mph H 26%29.85 inHg

7:00 PM

Light thunderstorms

86° 💧 0.029 in 💨 7 mph H 44%29.88 inHg

Today

10:00 PM

Clear night

87° 💧 None 💨 13 mph H 32%29.88 inHg

11:00 PM

Clear night

86° 💧 0.000 in 💨 14 mph H 36%29.91 inHg

Tomorrow

12:00 AM

Clear night

84° 💧 None 💨 14 mph H 38%29.91 inHg

1:00 AM

Clear night

82° 💧 None 💨 15 mph H 44%29.94 inHg

2:00 AM

Clear night

81° 💧 None 💨 15 mph H 47%29.94 inHg

3:00 AM

Clear night

80° 💧 None 💨 14 mph H 51%29.94 inHg

4:00 AM

Clear night

78° 💧 None 💨 13 mph H 53%29.94 inHg

5:00 AM

Clear night

77° 💧 None 💨 13 mph H 54%29.94 inHg

6:00 AM

Clear night

76° 💧 None 💨 14 mph H 57%29.94 inHg

7:00 AM

Clear night

74° 💧 None 💨 12 mph H 65%29.97 inHg

8:00 AM

Sunny

73° 💧 None 💨 11 mph H 71%29.97 inHg

9:00 AM

Sunny

75° 💧 None 💨 13 mph H 68%30.00 inHg

10:00 AM

Sunny

78° 💧 None 💨 15 mph H 63%29.97 inHg

11:00 AM

Sunny

82° 💧 None 💨 15 mph H 54%29.94 inHg

12:00 PM

Sunny

87° 💧 None 💨 15 mph H 45%29.94 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 15 mph H 38%29.91 inHg

2:00 PM

Sunny

93° 💧 None 💨 14 mph H 33%29.85 inHg

3:00 PM

Mostly sunny

95° 💧 None 💨 14 mph H 28%29.83 inHg

4:00 PM

Mostly sunny

95° 💧 None 💨 12 mph H 25%29.80 inHg

5:00 PM

Strong thunderstorm

95° 💧 0.000 in 💨 13 mph H 25%29.77 inHg

6:00 PM

Strong thunderstorm

94° 💧 0.001 in 💨 13 mph H 26%29.74 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 13 mph H 26%29.77 inHg

8:00 PM

Mostly clear night

90° 💧 None 💨 12 mph H 29%29.77 inHg

9:00 PM

Clear night

88° 💧 None 💨 12 mph H 31%29.80 inHg

10:00 PM

Clear night

86° 💧 None 💨 15 mph H 33%29.85 inHg

11:00 PM

Clear night

85° 💧 None 💨 14 mph H 36%29.85 inHg

Tuesday

12:00 AM

Clear night

84° 💧 None 💨 14 mph H 38%29.88 inHg

1:00 AM

Clear night

82° 💧 None 💨 14 mph H 40%29.88 inHg

2:00 AM

Clear night

81° 💧 None 💨 15 mph H 43%29.88 inHg

3:00 AM

Clear night

79° 💧 None 💨 13 mph H 47%29.91 inHg

4:00 AM

Clear night

78° 💧 None 💨 12 mph H 51%29.91 inHg

5:00 AM

Clear night

77° 💧 None 💨 12 mph H 53%29.91 inHg

6:00 AM

Clear night

77° 💧 None 💨 12 mph H 53%29.91 inHg

7:00 AM

Clear night

76° 💧 None 💨 11 mph H 53%29.91 inHg

8:00 AM

Sunny

75° 💧 None 💨 10 mph H 54%29.94 inHg

9:00 AM

Sunny

78° 💧 None 💨 11 mph H 50%29.97 inHg

10:00 AM

Sunny

82° 💧 None 💨 12 mph H 46%29.97 inHg

11:00 AM

Sunny

86° 💧 None 💨 12 mph H 42%29.97 inHg

12:00 PM

Sunny

90° 💧 None 💨 10 mph H 36%29.97 inHg

1:00 PM

Strong thunderstorm

93° 💧 None 💨 9 mph H 32%29.94 inHg

2:00 PM

Strong thunderstorm

95° 💧 None 💨 10 mph H 29%29.91 inHg

3:00 PM

Light thunderstorms

97° 💧 0.002 in 💨 10 mph H 27%29.88 inHg

4:00 PM

Strong thunderstorm

97° 💧 0.001 in 💨 11 mph H 26%29.85 inHg

5:00 PM

Light thunderstorms

93° 💧 0.020 in 💨 10 mph H 29%29.83 inHg

6:00 PM

Mostly cloudy

92° 💧 0.002 in 💨 12 mph H 31%29.83 inHg

7:00 PM

Light thunderstorms

86° 💧 0.026 in 💨 7 mph H 44%29.88 inHg

8:00 PM

Partly cloudy night

85° 💧 0.003 in 💨 1 mph H 45%29.88 inHg

9:00 PM

Partly cloudy night

83° 💧 0.001 in 💨 1 mph H 53%29.91 inHg

10:00 PM

Mostly clear night

84° 💧 None 💨 10 mph H 39%29.94 inHg

11:00 PM

Light thunderstorms

81° 💧 0.009 in 💨 5 mph H 46%29.97 inHg

Wednesday

12:00 AM

Severe thunderstorms

70° 💧 0.334 in 💨 17 mph H 89%30.06 inHg

1:00 AM

Light rain

70° 💧 0.051 in 💨 7 mph H 80%30.03 inHg

2:00 AM

Light rain

71° 💧 0.004 in 💨 6 mph H 77%30.03 inHg

3:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 76%30.03 inHg

4:00 AM

Clear night

70° 💧 None 💨 4 mph H 71%30.03 inHg

5:00 AM

Clear night

71° 💧 None 💨 6 mph H 59%30.03 inHg

6:00 AM

Clear night

71° 💧 None 💨 7 mph H 55%30.06 inHg

7:00 AM

Clear night

70° 💧 None 💨 8 mph H 56%30.06 inHg

4:00 PM

Mostly sunny

92° 💧 None 💨 15 mph H 28%30.00 inHg

7:00 PM

Sunny

89° 💧 None 💨 11 mph H 24%29.97 inHg

10:00 PM

Clear night

82° 💧 None 💨 9 mph H 32%30.06 inHg

Thursday

1:00 AM

Clear night

76° 💧 None 💨 7 mph H 39%30.09 inHg

4:00 AM

Clear night

72° 💧 None 💨 6 mph H 52%30.12 inHg

7:00 AM

Clear night

69° 💧 None 💨 7 mph H 58%30.15 inHg

10:00 AM

Sunny

77° 💧 None 💨 11 mph H 56%30.18 inHg

1:00 PM

Sunny

88° 💧 None 💨 13 mph H 34%30.15 inHg

4:00 PM

Mostly sunny

91° 💧 None 💨 13 mph H 27%30.03 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 12 mph H 34%30.00 inHg

10:00 PM

Mostly clear night

82° 💧 None 💨 7 mph H 39%30.06 inHg

Friday

1:00 AM

Overcast night

79° 💧 None 💨 9 mph H 42%30.06 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 9 mph H 52%30.06 inHg

7:00 AM

Partly cloudy night

71° 💧 None 💨 7 mph H 61%30.09 inHg

10:00 AM

Sunny

77° 💧 None 💨 10 mph H 63%30.12 inHg

1:00 PM

Mostly sunny

88° 💧 None 💨 11 mph H 37%30.03 inHg

4:00 PM

Partly cloudy

93° 💧 None 💨 10 mph H 28%29.91 inHg

7:00 PM

Partly cloudy

89° 💧 None 💨 11 mph H 28%29.88 inHg

10:00 PM

Overcast night

75° 💧 None 💨 3 mph H 66%29.97 inHg

Saturday

1:00 AM

Overcast night

75° 💧 None 💨 7 mph H 62%29.97 inHg

4:00 AM

Light rain

70° 💧 None 💨 11 mph H 74%29.97 inHg

7:00 AM

Mostly clear night

66° 💧 None 💨 4 mph H 93%29.97 inHg

10:00 AM

Mostly sunny

74° 💧 None 💨 9 mph H 73%29.94 inHg

1:00 PM

Light rain

84° 💧 None 💨 11 mph H 51%29.88 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 9 mph H 41%29.91 inHg

Sunday

1:00 AM

Moderate rain

72° 💧 None 💨 8 mph H 84%29.85 inHg

7:00 AM

Mostly cloudy night

68° 💧 None 💨 6 mph H 90%29.88 inHg

1:00 PM

Sunny

66° 💧 None 💨 4 mph H 92%29.88 inHg

7:00 PM

Mostly cloudy

82° 💧 None 💨 8 mph H 55%29.85 inHg

Monday

1:00 AM

Mostly clear night

81° 💧 None 💨 8 mph H 50%29.77 inHg

7:00 AM

Mostly cloudy night

71° 💧 None 💨 5 mph H 75%29.88 inHg

1:00 PM

Light rain

64° 💧 None 💨 7 mph H 94%29.97 inHg

7:00 PM

Overcast

75° 💧 None 💨 5 mph H 64%30.03 inHg

Tuesday

1:00 AM

Light rain

67° 💧 None 💨 3 mph H 91%30.00 inHg

7:00 AM

Overcast night

65° 💧 None 💨 7 mph H 96%30.09 inHg

1:00 PM

Mostly sunny

62° 💧 None 💨 7 mph H 98%30.09 inHg

7:00 PM

Overcast

73° 💧 None 💨 3 mph H 67%30.12 inHg

Wednesday

1:00 AM

Overcast night

73° 💧 None 💨 6 mph H 67%30.00 inHg

7:00 AM

Mostly clear night

64° 💧 None 💨 3 mph H 91%30.09 inHg

1:00 PM

Light rain

63° 💧 None 💨 4 mph H 97%30.09 inHg

7:00 PM

Mostly cloudy

75° 💧 None 💨 5 mph H 67%30.09 inHg

Thursday

1:00 AM

Partly cloudy night

74° 💧 None 💨 9 mph H 68%29.97 inHg

7:00 AM

Overcast night

65° 💧 None 💨 3 mph H 97%30.09 inHg

1:00 PM

Overcast

67° 💧 None 💨 1 mph H 94%30.06 inHg

7:00 PM

Light rain

77° 💧 None 💨 5 mph H 65%30.09 inHg

Friday

1:00 AM

Clear night

76° 💧 None 💨 7 mph H 66%30.00 inHg

7:00 AM

Clear night

67° 💧 None 💨 6 mph H 93%30.09 inHg

1:00 PM

Mostly sunny

63° 💧 None 💨 3 mph H 100%30.12 inHg

7:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 61%30.12 inHg

Saturday

1:00 AM

Mostly clear night

80° 💧 None 💨 6 mph H 58%30.00 inHg

7:00 AM

Clear night

70° 💧 None 💨 7 mph H 89%30.09 inHg

1:00 PM

Sunny

65° 💧 None 💨 3 mph H 98%30.12 inHg

7:00 PM

Mostly sunny

82° 💧 None 💨 5 mph H 58%30.12 inHg

Sunday

1:00 AM

Clear night

83° 💧 None 💨 5 mph H 52%30.03 inHg

7:00 AM

Mostly clear night

67° 💧 None 💨 5 mph H 94%30.15 inHg

1:00 PM

Sunny

63° 💧 None 💨 3 mph H 97%30.15 inHg

7:00 PM

Sunny

82° 💧 None 💨 4 mph H 55%30.12 inHg

Monday

1:00 AM

Mostly clear night

83° 💧 None 💨 6 mph H 43%30.00 inHg

7:00 AM

Clear night

68° 💧 None 💨 3 mph H 94%30.12 inHg

1:00 PM

Overcast

63° 💧 None 💨 2 mph H 99%30.12 inHg

In Sundown and, more broadly, across the state of Texas: This evening, the sky will feature a mix of sun and clouds, with temperatures remaining quite hot, ranging from 90 to 92 degrees Fahrenheit. There's a strong likelihood of rain developing during the next few hours, with some areas possibly seeing around 0.06 inches of rainfall. The chance of rain is high, approaching 98 percent. Winds will be moderate from the southeast at around 10 mph, with gusts reaching up to 19 mph. Expect the weather to remain warm and humid, with periods of rain possible tonight. Be prepared for brief showers if you're planning to be outdoors later in the evening.

15-Day Weather Outlook for Sundown

TomorrowTomorrow

Strong thunderstorm 95°/73° 💧 None 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Strong thunderstorm 97°/75° 💧 None 💨 15 mph

Wednesday, Sep 16Wed Sep 16

Severe thunderstorms 92°/70° 💧 0.260 in 💨 17 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 91°/69° 💧 0.001 in 💨 13 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 93°/71° 💧 0.008 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Light rain 88°/66° 💧 0.297 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 82°/66° 💧 0.688 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Light rain 81°/64° 💧 0.132 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Light rain 73°/62° 💧 0.313 in 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Light rain 75°/63° 💧 0.054 in 💨 6 mph

Thursday, Sep 24Thu Sep 24

Light rain 77°/65° 💧 0.073 in 💨 9 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 79°/63° 💧 0.081 in 💨 7 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 82°/65° 💧 0.028 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 83°/63° 💧 0.185 in 💨 5 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 83°/63° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sundown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sundown

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 10:00 PM

PM2.5 Fine particles Good 1,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,8µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 71,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Sundown

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 9,6Very high 🙂Fair

Tomorrow UV 9,4Very high 🙂Fair

Tuesday UV 9,2Very high 🙂Fair

Wednesday UV 9,0Very high 🙂Fair

Thursday UV 8,0Very high 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 8,0Very high —Unavailable

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Sundown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SUNDOWN, TEXAS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:23 PM–6:09 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 81° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Sundown were last refreshed today at 9:27 PM. The current forecast period extends through 15/09/2026 at 7:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.