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Current weather in Sam Rayburn is few clouds.

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

Now · 2:30 AM

Sam Rayburn Weather & Hourly Forecast

United States · Texas · 75931

76°F

Mostly clear night

Feels like: 84°F

💧 Humidity 98% 🌡 Pressure 30.03 inHg 💨 Wind 4 mph 👁 Visibility 10.2 mi ☁ Clouds 24% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Sam Rayburn

Today

3:00 AM

Mostly clear night

76° 💧 0.000 in 💨 4 mph H 98%30.03 inHg

6:00 AM

Clear night

76° 💧 None 💨 2 mph H 97%30.03 inHg

9:00 AM

Mostly sunny

80° 💧 0.020 in 💨 2 mph H 89%30.06 inHg

12:00 PM

Overcast

84° 💧 0.003 in 💨 4 mph H 74%30.06 inHg

3:00 PM

Mostly cloudy

89° 💧 0.005 in 💨 4 mph H 58%29.94 inHg

6:00 PM

Mostly cloudy

88° 💧 0.002 in 💨 2 mph H 57%29.88 inHg

9:00 PM

Partly cloudy night

82° 💧 0.001 in 💨 7 mph H 76%29.91 inHg

Tomorrow

12:00 AM

Clear night

78° 💧 None 💨 6 mph H 91%29.94 inHg

3:00 AM

Clear night

77° 💧 None 💨 6 mph H 96%29.91 inHg

6:00 AM

Mostly clear night

76° 💧 None 💨 4 mph H 97%29.91 inHg

9:00 AM

Sunny

80° 💧 None 💨 2 mph H 85%29.94 inHg

12:00 PM

Sunny

87° 💧 0.003 in 💨 2 mph H 61%29.94 inHg

3:00 PM

Light thunderstorms

90° 💧 0.022 in 💨 6 mph H 56%29.83 inHg

6:00 PM

Light thunderstorms

84° 💧 0.023 in 💨 6 mph H 72%29.83 inHg

9:00 PM

Mostly clear night

79° 💧 None 💨 7 mph H 87%29.85 inHg

Saturday

12:00 AM

Clear night

78° 💧 None 💨 7 mph H 96%29.88 inHg

Today

3:00 AM

Mostly clear night

76° 💧 None 💨 4 mph H 98%30.03 inHg

4:00 AM

Clear night

76° 💧 0.000 in 💨 3 mph H 98%30.03 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 98%30.03 inHg

6:00 AM

Clear night

76° 💧 None 💨 2 mph H 97%30.03 inHg

7:00 AM

Partly cloudy

76° 💧 None 💨 2 mph H 97%30.03 inHg

8:00 AM

Mostly sunny

78° 💧 None 💨 0 mph H 95%30.03 inHg

9:00 AM

Mostly sunny

80° 💧 0.002 in 💨 2 mph H 89%30.06 inHg

10:00 AM

Light rain

81° 💧 0.010 in 💨 5 mph H 84%30.06 inHg

11:00 AM

Light rain

82° 💧 0.008 in 💨 4 mph H 81%30.06 inHg

12:00 PM

Overcast

84° 💧 0.003 in 💨 4 mph H 74%30.06 inHg

1:00 PM

Mostly cloudy

86° 💧 0.001 in 💨 3 mph H 67%30.03 inHg

2:00 PM

Mostly cloudy

88° 💧 None 💨 4 mph H 61%29.97 inHg

3:00 PM

Mostly cloudy

89° 💧 0.000 in 💨 4 mph H 58%29.94 inHg

4:00 PM

Light thunderstorms

89° 💧 0.004 in 💨 4 mph H 57%29.91 inHg

5:00 PM

Mostly sunny

89° 💧 0.000 in 💨 2 mph H 56%29.88 inHg

6:00 PM

Mostly cloudy

88° 💧 None 💨 2 mph H 57%29.88 inHg

7:00 PM

Partly cloudy

86° 💧 0.001 in 💨 3 mph H 69%29.88 inHg

8:00 PM

Mostly clear night

83° 💧 0.001 in 💨 5 mph H 76%29.88 inHg

9:00 PM

Partly cloudy night

82° 💧 None 💨 7 mph H 76%29.91 inHg

10:00 PM

Mostly clear night

80° 💧 0.001 in 💨 7 mph H 81%29.94 inHg

11:00 PM

Clear night

79° 💧 None 💨 6 mph H 87%29.94 inHg

Tomorrow

12:00 AM

Clear night

78° 💧 None 💨 6 mph H 91%29.94 inHg

1:00 AM

Clear night

78° 💧 None 💨 6 mph H 94%29.94 inHg

2:00 AM

Clear night

77° 💧 None 💨 6 mph H 95%29.94 inHg

3:00 AM

Clear night

77° 💧 None 💨 6 mph H 96%29.91 inHg

4:00 AM

Clear night

77° 💧 None 💨 5 mph H 97%29.91 inHg

5:00 AM

Clear night

76° 💧 None 💨 4 mph H 97%29.91 inHg

6:00 AM

Mostly clear night

76° 💧 None 💨 4 mph H 97%29.91 inHg

7:00 AM

Mostly sunny

76° 💧 None 💨 4 mph H 96%29.91 inHg

8:00 AM

Mostly sunny

78° 💧 None 💨 3 mph H 92%29.94 inHg

9:00 AM

Sunny

80° 💧 None 💨 2 mph H 85%29.94 inHg

10:00 AM

Sunny

83° 💧 None 💨 1 mph H 76%29.94 inHg

11:00 AM

Sunny

85° 💧 None 💨 2 mph H 67%29.94 inHg

12:00 PM

Sunny

87° 💧 0.001 in 💨 2 mph H 61%29.94 inHg

1:00 PM

Sunny

89° 💧 0.001 in 💨 2 mph H 58%29.91 inHg

2:00 PM

Strong thunderstorm

90° 💧 0.001 in 💨 3 mph H 56%29.88 inHg

3:00 PM

Light thunderstorms

90° 💧 0.003 in 💨 6 mph H 56%29.83 inHg

4:00 PM

Mostly sunny

91° 💧 0.002 in 💨 2 mph H 54%29.83 inHg

5:00 PM

Light thunderstorms

86° 💧 0.017 in 💨 7 mph H 65%29.83 inHg

6:00 PM

Light thunderstorms

84° 💧 0.020 in 💨 6 mph H 72%29.83 inHg

7:00 PM

Partly cloudy

82° 💧 0.002 in 💨 7 mph H 78%29.85 inHg

8:00 PM

Mostly clear night

80° 💧 0.000 in 💨 6 mph H 84%29.85 inHg

9:00 PM

Mostly clear night

79° 💧 None 💨 7 mph H 87%29.85 inHg

10:00 PM

Clear night

79° 💧 None 💨 7 mph H 90%29.88 inHg

11:00 PM

Clear night

78° 💧 None 💨 6 mph H 94%29.88 inHg

Saturday

12:00 AM

Clear night

78° 💧 None 💨 7 mph H 96%29.88 inHg

1:00 AM

Clear night

77° 💧 None 💨 7 mph H 97%29.88 inHg

2:00 AM

Clear night

77° 💧 None 💨 7 mph H 98%29.88 inHg

3:00 AM

Clear night

77° 💧 None 💨 7 mph H 97%29.88 inHg

4:00 AM

Mostly clear night

76° 💧 None 💨 6 mph H 97%29.88 inHg

5:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 98%29.88 inHg

6:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 98%29.91 inHg

7:00 AM

Mostly sunny

76° 💧 None 💨 5 mph H 98%29.91 inHg

8:00 AM

Sunny

78° 💧 None 💨 4 mph H 93%29.91 inHg

9:00 AM

Partly cloudy

81° 💧 None 💨 6 mph H 84%29.94 inHg

10:00 AM

Mostly sunny

83° 💧 0.001 in 💨 5 mph H 77%29.94 inHg

11:00 AM

Mostly sunny

86° 💧 0.002 in 💨 5 mph H 70%29.97 inHg

12:00 PM

Mostly sunny

88° 💧 0.002 in 💨 3 mph H 64%29.97 inHg

1:00 PM

Mostly sunny

89° 💧 0.003 in 💨 3 mph H 61%29.94 inHg

2:00 PM

Light rain

90° 💧 0.004 in 💨 2 mph H 58%29.91 inHg

3:00 PM

Mostly cloudy

91° 💧 0.001 in 💨 2 mph H 55%29.88 inHg

4:00 PM

Mostly cloudy

91° 💧 0.002 in 💨 2 mph H 53%29.88 inHg

5:00 PM

Light thunderstorms

88° 💧 0.007 in 💨 5 mph H 60%29.88 inHg

6:00 PM

Light thunderstorms

83° 💧 0.032 in 💨 7 mph H 78%29.91 inHg

7:00 PM

Mostly sunny

82° 💧 0.002 in 💨 6 mph H 82%29.91 inHg

10:00 PM

Clear night

77° 💧 None 💨 5 mph H 95%29.97 inHg

Sunday

1:00 AM

Clear night

76° 💧 None 💨 4 mph H 99%29.97 inHg

4:00 AM

Clear night

75° 💧 None 💨 3 mph H 99%29.97 inHg

7:00 AM

Partly cloudy

75° 💧 None 💨 3 mph H 99%30.00 inHg

10:00 AM

Mostly sunny

84° 💧 None 💨 1 mph H 77%30.03 inHg

1:00 PM

Overcast

91° 💧 None 💨 3 mph H 59%30.00 inHg

4:00 PM

Mostly sunny

86° 💧 None 💨 3 mph H 74%29.94 inHg

7:00 PM

Light rain

83° 💧 None 💨 4 mph H 79%29.94 inHg

10:00 PM

Mostly clear night

79° 💧 None 💨 5 mph H 87%30.00 inHg

Monday

1:00 AM

Clear night

76° 💧 None 💨 4 mph H 97%30.03 inHg

4:00 AM

Clear night

75° 💧 None 💨 3 mph H 98%30.03 inHg

7:00 AM

Sunny

74° 💧 None 💨 2 mph H 99%30.03 inHg

10:00 AM

Mostly sunny

84° 💧 None 💨 2 mph H 73%30.03 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 2 mph H 55%30.00 inHg

4:00 PM

Light rain

90° 💧 None 💨 7 mph H 56%29.94 inHg

7:00 PM

Mostly cloudy

80° 💧 None 💨 6 mph H 88%29.97 inHg

10:00 PM

Mostly clear night

78° 💧 None 💨 6 mph H 98%30.00 inHg

Tuesday

1:00 AM

Partly cloudy night

76° 💧 None 💨 4 mph H 98%30.00 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 99%30.03 inHg

7:00 AM

Sunny

75° 💧 None 💨 3 mph H 99%30.06 inHg

10:00 AM

Mostly sunny

85° 💧 None 💨 4 mph H 75%30.09 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 3 mph H 60%30.06 inHg

7:00 PM

Mostly sunny

92° 💧 None 💨 2 mph H 56%30.06 inHg

Wednesday

1:00 AM

Partly cloudy night

80° 💧 None 💨 3 mph H 91%30.00 inHg

7:00 AM

Partly cloudy

76° 💧 None 💨 3 mph H 100%30.09 inHg

1:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 99%30.09 inHg

7:00 PM

Mostly sunny

90° 💧 None 💨 3 mph H 61%30.09 inHg

Thursday

1:00 AM

Clear night

82° 💧 None 💨 5 mph H 83%30.00 inHg

7:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 96%30.06 inHg

1:00 PM

Partly cloudy

74° 💧 None 💨 1 mph H 99%30.06 inHg

7:00 PM

Overcast

91° 💧 None 💨 3 mph H 59%30.03 inHg

Friday

1:00 AM

Mostly clear night

81° 💧 None 💨 4 mph H 91%29.97 inHg

7:00 AM

Clear night

76° 💧 None 💨 3 mph H 99%30.03 inHg

1:00 PM

Overcast

76° 💧 None 💨 3 mph H 99%30.03 inHg

7:00 PM

Light rain

88° 💧 None 💨 5 mph H 67%30.00 inHg

Saturday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 4 mph H 99%29.97 inHg

7:00 AM

Mostly cloudy night

74° 💧 None 💨 2 mph H 100%30.00 inHg

1:00 PM

Overcast

74° 💧 None 💨 3 mph H 100%30.00 inHg

7:00 PM

Mostly sunny

86° 💧 None 💨 5 mph H 58%30.00 inHg

Sunday

1:00 AM

Clear night

81° 💧 None 💨 3 mph H 69%29.91 inHg

7:00 AM

Clear night

72° 💧 None 💨 5 mph H 85%29.94 inHg

1:00 PM

Partly cloudy

66° 💧 None 💨 6 mph H 80%30.00 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 7 mph H 40%30.00 inHg

Monday

1:00 AM

Overcast night

76° 💧 None 💨 3 mph H 59%29.91 inHg

7:00 AM

Mostly cloudy night

67° 💧 None 💨 7 mph H 63%29.97 inHg

1:00 PM

Mostly cloudy

61° 💧 None 💨 5 mph H 79%29.97 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 4 mph H 41%29.97 inHg

Tuesday

1:00 AM

Partly cloudy night

77° 💧 None 💨 4 mph H 62%29.91 inHg

7:00 AM

Mostly clear night

68° 💧 None 💨 4 mph H 77%30.00 inHg

1:00 PM

Overcast

69° 💧 None 💨 4 mph H 70%30.06 inHg

7:00 PM

Sunny

86° 💧 None 💨 5 mph H 39%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

79° 💧 None 💨 5 mph H 55%30.03 inHg

7:00 AM

Clear night

70° 💧 None 💨 5 mph H 72%30.09 inHg

1:00 PM

Sunny

67° 💧 None 💨 7 mph H 74%30.15 inHg

7:00 PM

Mostly cloudy

85° 💧 None 💨 6 mph H 39%30.15 inHg

Thursday

1:00 AM

Mostly cloudy night

79° 💧 None 💨 6 mph H 52%30.06 inHg

7:00 AM

Mostly clear night

69° 💧 None 💨 6 mph H 69%30.09 inHg

1:00 PM

Mostly sunny

64° 💧 None 💨 4 mph H 82%30.09 inHg

In Sam Rayburn and, more broadly, across the state of Texas: The evening will be mostly cloudy with warm temperatures hovering between 91 and 93 degrees Fahrenheit. Moderate south winds will be present, blowing up to 12 mph with gusts reaching 21 mph. A small chance of rain exists, with a potential accumulation of around 0.01 inches and the highest likelihood of rain around 31%. Conditions during the next few hours will remain warm and humid, with occasional gusts from the south. While rainfall is not certain, it may briefly occur, so keep an eye out for changing weather patterns. Overall, expect a warm and breezy evening with only a slight chance of light showers.

15-Day Weather Outlook for Sam Rayburn

TomorrowTomorrow

Light thunderstorms 90°/77° 💧 None 💨 9 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 93°/76° 💧 0.351 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 91°/75° 💧 0.121 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Light rain 91°/74° 💧 0.032 in 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 91°/75° 💧 0.043 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 92°/75° 💧 0.456 in 💨 3 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 90°/74° 💧 0.032 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Overcast 91°/76° 💧 0.142 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Light rain 88°/74° 💧 0.417 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 86°/66° 💧 0.010 in 💨 6 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 83°/61° 💧 None 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 83°/68° 💧 None 💨 4 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 86°/67° 💧 None 💨 7 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 85°/64° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sam Rayburn

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sam Rayburn

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 1,2µg/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 1,4µg/m³

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

O₃ Ozone Good 20,6µg/m³

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

NO₂ Nitrogen dioxide Good 2,9µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Sam Rayburn

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 8,9Very high 😊Good

Tomorrow UV 9,1Very high 🙂Fair

Saturday UV 3,8Moderate 😊Good

Sunday UV 9,1Very high 😊Good

Monday UV 8,0Very high 😊Good

Tuesday UV 9,0Very high —Unavailable

Wednesday UV 9,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,4 10:00 AMUV 3,3 11:00 AMUV 5,7 12:00 PMUV 7,8 1:00 PMUV 8,9 2:00 PMUV 8,5 3:00 PMUV 6,2 4:00 PMUV 2,5 5:00 PMUV 1,2 6:00 PMUV 0,4

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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Sam Rayburn

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAM RAYBURN, TEXAS

Tonight's Stargazing & Shooting Stars

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

90/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:51 PM–5:35 AM

☁ Cloud cover 6% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · 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 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

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 Sam Rayburn were last refreshed today at 2:30 AM. The current forecast period extends through 12/09/2026 at 12:00 AM. 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.