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Current weather in Hennessey is clear sky.

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

Now · 12:30 AM

Hennessey Weather & Hourly Forecast

United States · Oklahoma · 73742

87°F

Clear night

Feels like: 87°F

💧 Humidity 43% 🌡 Pressure 29.88 inHg 💨 Wind 8 mph 👁 Visibility 28.5 mi ☁ Clouds 2% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Hennessey

Today

1:00 AM

Clear night

87° 💧 None 💨 8 mph H 43%29.88 inHg

4:00 AM

Mostly cloudy night

84° 💧 None 💨 5 mph H 50%29.88 inHg

7:00 AM

Mostly clear night

80° 💧 None 💨 3 mph H 58%29.91 inHg

10:00 AM

Sunny

91° 💧 0.000 in 💨 5 mph H 41%29.94 inHg

1:00 PM

Sunny

100° 💧 0.001 in 💨 7 mph H 28%29.88 inHg

4:00 PM

Mostly sunny

102° 💧 None 💨 8 mph H 26%29.83 inHg

7:00 PM

Strong thunderstorm

99° 💧 0.000 in 💨 9 mph H 28%29.77 inHg

10:00 PM

Mostly clear night

93° 💧 None 💨 5 mph H 34%29.85 inHg

Tomorrow

1:00 AM

Mostly clear night

89° 💧 None 💨 6 mph H 43%29.88 inHg

4:00 AM

Clear night

86° 💧 None 💨 6 mph H 50%29.88 inHg

7:00 AM

Clear night

84° 💧 None 💨 6 mph H 55%29.91 inHg

10:00 AM

Sunny

93° 💧 None 💨 8 mph H 41%29.94 inHg

1:00 PM

Sunny

100° 💧 0.001 in 💨 11 mph H 31%29.91 inHg

4:00 PM

Mostly sunny

102° 💧 0.002 in 💨 12 mph H 27%29.83 inHg

7:00 PM

Mostly sunny

98° 💧 0.001 in 💨 12 mph H 29%29.83 inHg

10:00 PM

Clear night

93° 💧 None 💨 10 mph H 35%29.88 inHg

Today

1:00 AM

Clear night

87° 💧 None 💨 8 mph H 43%29.88 inHg

2:00 AM

Clear night

86° 💧 None 💨 6 mph H 46%29.88 inHg

3:00 AM

Mostly clear night

85° 💧 None 💨 5 mph H 48%29.88 inHg

4:00 AM

Mostly cloudy night

84° 💧 None 💨 5 mph H 50%29.88 inHg

5:00 AM

Mostly cloudy night

83° 💧 None 💨 4 mph H 53%29.88 inHg

6:00 AM

Mostly clear night

81° 💧 None 💨 3 mph H 56%29.91 inHg

7:00 AM

Mostly clear night

80° 💧 None 💨 3 mph H 58%29.91 inHg

8:00 AM

Sunny

82° 💧 None 💨 4 mph H 55%29.94 inHg

9:00 AM

Sunny

87° 💧 None 💨 4 mph H 47%29.94 inHg

10:00 AM

Sunny

91° 💧 None 💨 5 mph H 41%29.94 inHg

11:00 AM

Sunny

95° 💧 None 💨 5 mph H 35%29.91 inHg

12:00 PM

Sunny

98° 💧 0.000 in 💨 5 mph H 31%29.91 inHg

1:00 PM

Sunny

100° 💧 None 💨 7 mph H 28%29.88 inHg

2:00 PM

Mostly cloudy

101° 💧 0.000 in 💨 8 mph H 27%29.85 inHg

3:00 PM

Mostly cloudy

103° 💧 0.000 in 💨 8 mph H 25%29.83 inHg

4:00 PM

Mostly sunny

102° 💧 None 💨 8 mph H 26%29.83 inHg

5:00 PM

Mostly sunny

102° 💧 None 💨 8 mph H 26%29.80 inHg

6:00 PM

Strong thunderstorm

101° 💧 None 💨 9 mph H 26%29.77 inHg

7:00 PM

Strong thunderstorm

99° 💧 0.000 in 💨 9 mph H 28%29.77 inHg

8:00 PM

Mostly clear night

96° 💧 None 💨 7 mph H 30%29.80 inHg

9:00 PM

Mostly clear night

94° 💧 None 💨 7 mph H 31%29.83 inHg

10:00 PM

Mostly clear night

93° 💧 None 💨 5 mph H 34%29.85 inHg

11:00 PM

Partly cloudy night

91° 💧 None 💨 6 mph H 37%29.88 inHg

Tomorrow

12:00 AM

Mostly clear night

90° 💧 None 💨 6 mph H 40%29.88 inHg

1:00 AM

Mostly clear night

89° 💧 None 💨 6 mph H 43%29.88 inHg

2:00 AM

Mostly clear night

88° 💧 None 💨 6 mph H 46%29.88 inHg

3:00 AM

Clear night

87° 💧 None 💨 6 mph H 48%29.88 inHg

4:00 AM

Clear night

86° 💧 None 💨 6 mph H 50%29.88 inHg

5:00 AM

Clear night

85° 💧 None 💨 7 mph H 51%29.88 inHg

6:00 AM

Clear night

84° 💧 None 💨 6 mph H 53%29.88 inHg

7:00 AM

Clear night

84° 💧 None 💨 6 mph H 55%29.91 inHg

8:00 AM

Sunny

85° 💧 None 💨 7 mph H 53%29.91 inHg

9:00 AM

Sunny

89° 💧 None 💨 8 mph H 47%29.91 inHg

10:00 AM

Sunny

93° 💧 None 💨 8 mph H 41%29.94 inHg

11:00 AM

Sunny

96° 💧 None 💨 10 mph H 37%29.94 inHg

12:00 PM

Sunny

98° 💧 None 💨 11 mph H 34%29.91 inHg

1:00 PM

Sunny

100° 💧 0.000 in 💨 11 mph H 31%29.91 inHg

2:00 PM

Sunny

101° 💧 0.000 in 💨 12 mph H 29%29.88 inHg

3:00 PM

Mostly sunny

102° 💧 None 💨 12 mph H 28%29.85 inHg

4:00 PM

Mostly sunny

102° 💧 None 💨 12 mph H 27%29.83 inHg

5:00 PM

Strong thunderstorm

101° 💧 0.000 in 💨 12 mph H 27%29.83 inHg

6:00 PM

Strong thunderstorm

100° 💧 0.001 in 💨 12 mph H 28%29.80 inHg

7:00 PM

Mostly sunny

98° 💧 0.001 in 💨 12 mph H 29%29.83 inHg

8:00 PM

Mostly clear night

96° 💧 None 💨 9 mph H 32%29.83 inHg

9:00 PM

Mostly clear night

94° 💧 None 💨 10 mph H 34%29.85 inHg

10:00 PM

Clear night

93° 💧 None 💨 10 mph H 35%29.88 inHg

11:00 PM

Clear night

92° 💧 None 💨 9 mph H 37%29.88 inHg

Tuesday

12:00 AM

Clear night

91° 💧 None 💨 11 mph H 41%29.88 inHg

1:00 AM

Clear night

90° 💧 None 💨 10 mph H 44%29.91 inHg

2:00 AM

Clear night

89° 💧 None 💨 10 mph H 45%29.91 inHg

3:00 AM

Clear night

88° 💧 None 💨 10 mph H 47%29.91 inHg

4:00 AM

Clear night

87° 💧 None 💨 10 mph H 50%29.91 inHg

5:00 AM

Clear night

86° 💧 None 💨 10 mph H 51%29.94 inHg

6:00 AM

Clear night

85° 💧 None 💨 10 mph H 52%29.94 inHg

7:00 AM

Clear night

85° 💧 None 💨 10 mph H 53%29.94 inHg

4:00 PM

Sunny

103° 💧 None 💨 12 mph H 26%29.88 inHg

7:00 PM

Mostly sunny

99° 💧 None 💨 12 mph H 30%29.88 inHg

10:00 PM

Clear night

94° 💧 None 💨 10 mph H 32%29.94 inHg

Wednesday

1:00 AM

Clear night

90° 💧 None 💨 11 mph H 43%29.97 inHg

4:00 AM

Clear night

87° 💧 None 💨 13 mph H 47%29.97 inHg

7:00 AM

Clear night

85° 💧 None 💨 11 mph H 49%30.00 inHg

10:00 AM

Sunny

93° 💧 None 💨 10 mph H 41%30.00 inHg

1:00 PM

Sunny

103° 💧 None 💨 9 mph H 27%29.97 inHg

4:00 PM

Mostly sunny

105° 💧 None 💨 9 mph H 26%29.88 inHg

7:00 PM

Partly cloudy

99° 💧 None 💨 8 mph H 30%29.88 inHg

10:00 PM

Light rain

87° 💧 None 💨 3 mph H 69%29.94 inHg

Thursday

1:00 AM

Mostly cloudy night

80° 💧 None 💨 6 mph H 87%29.97 inHg

4:00 AM

Overcast night

80° 💧 None 💨 1 mph H 68%29.94 inHg

7:00 AM

Light rain

77° 💧 None 💨 1 mph H 84%29.97 inHg

10:00 AM

Light rain

82° 💧 None 💨 8 mph H 71%30.00 inHg

1:00 PM

Sunny

91° 💧 None 💨 5 mph H 49%29.97 inHg

4:00 PM

Mostly sunny

94° 💧 None 💨 6 mph H 44%29.88 inHg

7:00 PM

Partly cloudy

90° 💧 None 💨 7 mph H 48%29.85 inHg

10:00 PM

Mostly clear night

83° 💧 None 💨 4 mph H 66%29.85 inHg

Friday

1:00 AM

Clear night

81° 💧 None 💨 6 mph H 69%29.85 inHg

4:00 AM

Clear night

78° 💧 None 💨 6 mph H 74%29.83 inHg

7:00 AM

Clear night

77° 💧 None 💨 7 mph H 78%29.80 inHg

10:00 AM

Sunny

87° 💧 None 💨 8 mph H 54%29.77 inHg

1:00 PM

Sunny

98° 💧 None 💨 14 mph H 35%29.71 inHg

7:00 PM

Sunny

101° 💧 None 💨 10 mph H 27%29.77 inHg

Saturday

1:00 AM

Mostly clear night

99° 💧 None 💨 10 mph H 28%29.68 inHg

7:00 AM

Clear night

88° 💧 None 💨 11 mph H 38%29.68 inHg

1:00 PM

Sunny

84° 💧 None 💨 11 mph H 41%29.68 inHg

7:00 PM

Sunny

102° 💧 None 💨 16 mph H 24%29.65 inHg

Sunday

1:00 AM

Clear night

100° 💧 None 💨 17 mph H 24%29.56 inHg

7:00 AM

Mostly clear night

91° 💧 None 💨 17 mph H 31%29.59 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 3 mph H 44%29.71 inHg

7:00 PM

Mostly cloudy

77° 💧 None 💨 15 mph H 66%29.94 inHg

Monday

1:00 AM

Light rain

71° 💧 None 💨 13 mph H 67%30.06 inHg

7:00 AM

Clear night

67° 💧 None 💨 11 mph H 62%30.21 inHg

1:00 PM

Mostly sunny

60° 💧 None 💨 8 mph H 67%30.24 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 8 mph H 35%30.21 inHg

Tuesday

1:00 AM

Overcast night

79° 💧 None 💨 8 mph H 31%30.09 inHg

7:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 52%30.12 inHg

1:00 PM

Partly cloudy

64° 💧 None 💨 4 mph H 65%30.15 inHg

7:00 PM

Mostly cloudy

86° 💧 None 💨 5 mph H 42%30.12 inHg

Wednesday

1:00 AM

Mostly clear night

88° 💧 None 💨 7 mph H 41%30.00 inHg

7:00 AM

Clear night

77° 💧 None 💨 7 mph H 57%30.09 inHg

1:00 PM

Mostly sunny

73° 💧 None 💨 4 mph H 73%30.15 inHg

7:00 PM

Mostly sunny

93° 💧 None 💨 8 mph H 41%30.15 inHg

Thursday

1:00 AM

Partly cloudy night

91° 💧 None 💨 7 mph H 41%30.06 inHg

7:00 AM

Mostly clear night

81° 💧 None 💨 6 mph H 58%30.15 inHg

1:00 PM

Sunny

75° 💧 None 💨 6 mph H 54%30.18 inHg

7:00 PM

Partly cloudy

95° 💧 None 💨 7 mph H 27%30.15 inHg

Friday

1:00 AM

Mostly clear night

93° 💧 None 💨 11 mph H 23%30.03 inHg

7:00 AM

Clear night

81° 💧 None 💨 9 mph H 27%30.06 inHg

1:00 PM

Mostly sunny

77° 💧 None 💨 8 mph H 35%30.03 inHg

7:00 PM

Sunny

97° 💧 None 💨 14 mph H 29%29.94 inHg

Saturday

1:00 AM

Overcast night

96° 💧 None 💨 11 mph H 26%29.80 inHg

7:00 AM

Overcast night

86° 💧 None 💨 3 mph H 30%29.83 inHg

1:00 PM

Light rain

76° 💧 None 💨 3 mph H 78%29.83 inHg

7:00 PM

Mostly cloudy

89° 💧 None 💨 1 mph H 46%29.83 inHg

Sunday

1:00 AM

Light rain

80° 💧 None 💨 4 mph H 79%29.74 inHg

7:00 AM

Light rain

74° 💧 None 💨 5 mph H 95%29.85 inHg

1:00 PM

Mostly cloudy

71° 💧 None 💨 6 mph H 98%29.88 inHg

In Hennessey and, more broadly, across the state of Oklahoma: Temperatures are expected to remain very hot this evening, ranging from 98 to 101 degrees Fahrenheit. The sky will feature a mix of sun and clouds, with no precipitation expected overnight. Winds will be moderate, coming from the southeast at around 13 mph, with gusts reaching up to 22 mph. Residents should be prepared for the continued heat and stay hydrated if spending time outdoors. The breeze may provide some relief, but it will not significantly lower the temperature. Conditions will remain dry through the evening and into the early night hours.

15-Day Weather Outlook for Hennessey

TomorrowTomorrow

Strong thunderstorm 102°/84° 💧 None 💨 12 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 103°/85° 💧 0.006 in 💨 12 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 105°/85° 💧 0.001 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light rain 99°/77° 💧 0.200 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 98°/77° 💧 None 💨 14 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 101°/84° 💧 0.004 in 💨 11 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 102°/84° 💧 0.004 in 💨 17 mph

Monday, Sep 14Mon Sep 14

Light rain 77°/60° 💧 0.171 in 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 79°/64° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 88°/73° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 93°/75° 💧 0.007 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 95°/77° 💧 0.004 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Light rain 97°/76° 💧 0.011 in 💨 14 mph

Sunday, Sep 20Sun Sep 20

Light rain 89°/71° 💧 0.353 in 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hennessey

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hennessey

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 AM

PM2.5 Fine particles Good 2,6µg/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 3,1µg/m³

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

O₃ Ozone Fair 70,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,0µg/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 Hennessey

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 9,1Very high 🙂Fair

Tomorrow UV 9,0Very high 🙂Fair

Tuesday UV 8,8Very high 🙂Fair

Wednesday UV 8,7Very high 🙂Fair

Thursday UV 8,0Very high —Unavailable

Friday UV 9,0Very high —Unavailable

Saturday UV 9,0Very high —Unavailable

Hourly UV index today

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

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.

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 Hennessey

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HENNESSEY, OKLAHOMA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:22 PM–5:39 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 36° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min62%

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 Hennessey were last refreshed today at 12:30 AM. The current forecast period extends through 07/09/2026 at 10:00 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.