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Current weather in Duncan is clear sky.

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This page shows hourly weather forecast for Duncan, including temperature, wind, precipitation, humidity and cloud cover.

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

Now · 3:18 PM

Duncan Weather & Hourly Forecast

United States · Oklahoma · 73533

96°F

Sunny

Feels like: 103°F

💧 Humidity 42% 🌡 Pressure 29.83 inHg 💨 Wind 9 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 8.0 · Very high 🌅 Sunrise 7:06 AM 🌇 Sunset 7:56 PM

Hourly Forecast for Duncan

Today

4:00 PM

Sunny

96° 💧 None 💨 9 mph H 42%29.83 inHg

7:00 PM

Sunny

94° 💧 None 💨 20 mph H 40%29.77 inHg

10:00 PM

Clear night

85° 💧 None 💨 17 mph H 71%29.88 inHg

Tomorrow

1:00 AM

Clear night

78° 💧 None 💨 11 mph H 83%29.88 inHg

4:00 AM

Clear night

75° 💧 None 💨 8 mph H 86%29.85 inHg

7:00 AM

Clear night

73° 💧 None 💨 10 mph H 88%29.88 inHg

10:00 AM

Sunny

85° 💧 None 💨 16 mph H 56%29.91 inHg

1:00 PM

Sunny

95° 💧 None 💨 16 mph H 32%29.85 inHg

4:00 PM

Sunny

100° 💧 None 💨 15 mph H 30%29.80 inHg

7:00 PM

Sunny

96° 💧 None 💨 17 mph H 30%29.80 inHg

10:00 PM

Mostly clear night

86° 💧 None 💨 12 mph H 46%29.85 inHg

Saturday

1:00 AM

Clear night

81° 💧 None 💨 8 mph H 59%29.88 inHg

4:00 AM

Clear night

78° 💧 None 💨 7 mph H 61%29.88 inHg

7:00 AM

Clear night

75° 💧 None 💨 6 mph H 63%29.91 inHg

10:00 AM

Sunny

90° 💧 None 💨 8 mph H 40%29.94 inHg

1:00 PM

Sunny

99° 💧 None 💨 10 mph H 26%29.88 inHg

Today

4:00 PM

Sunny

96° 💧 None 💨 9 mph H 42%29.83 inHg

5:00 PM

Sunny

97° 💧 None 💨 11 mph H 39%29.80 inHg

6:00 PM

Sunny

96° 💧 None 💨 15 mph H 36%29.77 inHg

7:00 PM

Sunny

94° 💧 None 💨 20 mph H 40%29.77 inHg

8:00 PM

Clear night

91° 💧 None 💨 21 mph H 48%29.80 inHg

9:00 PM

Clear night

87° 💧 None 💨 20 mph H 66%29.83 inHg

10:00 PM

Clear night

85° 💧 None 💨 17 mph H 71%29.88 inHg

11:00 PM

Clear night

82° 💧 None 💨 14 mph H 79%29.88 inHg

Tomorrow

12:00 AM

Clear night

80° 💧 None 💨 12 mph H 81%29.88 inHg

1:00 AM

Clear night

78° 💧 None 💨 11 mph H 83%29.88 inHg

2:00 AM

Clear night

77° 💧 None 💨 8 mph H 84%29.88 inHg

3:00 AM

Clear night

76° 💧 None 💨 10 mph H 85%29.85 inHg

4:00 AM

Clear night

75° 💧 None 💨 8 mph H 86%29.85 inHg

5:00 AM

Clear night

75° 💧 None 💨 9 mph H 88%29.88 inHg

6:00 AM

Clear night

75° 💧 None 💨 10 mph H 86%29.88 inHg

7:00 AM

Clear night

73° 💧 None 💨 10 mph H 88%29.88 inHg

8:00 AM

Sunny

76° 💧 None 💨 12 mph H 81%29.91 inHg

9:00 AM

Sunny

80° 💧 None 💨 15 mph H 68%29.91 inHg

10:00 AM

Sunny

85° 💧 None 💨 16 mph H 56%29.91 inHg

11:00 AM

Sunny

89° 💧 None 💨 15 mph H 45%29.88 inHg

12:00 PM

Sunny

92° 💧 None 💨 15 mph H 36%29.88 inHg

1:00 PM

Sunny

95° 💧 None 💨 16 mph H 32%29.85 inHg

2:00 PM

Sunny

98° 💧 None 💨 17 mph H 31%29.83 inHg

3:00 PM

Sunny

99° 💧 None 💨 16 mph H 31%29.83 inHg

4:00 PM

Sunny

100° 💧 None 💨 15 mph H 30%29.80 inHg

5:00 PM

Sunny

100° 💧 None 💨 14 mph H 29%29.80 inHg

6:00 PM

Sunny

99° 💧 None 💨 13 mph H 29%29.77 inHg

7:00 PM

Sunny

96° 💧 None 💨 17 mph H 30%29.80 inHg

8:00 PM

Partly cloudy night

92° 💧 None 💨 18 mph H 37%29.83 inHg

9:00 PM

Mostly clear night

89° 💧 None 💨 15 mph H 43%29.85 inHg

10:00 PM

Mostly clear night

86° 💧 None 💨 12 mph H 46%29.85 inHg

11:00 PM

Mostly clear night

84° 💧 None 💨 10 mph H 51%29.85 inHg

Saturday

12:00 AM

Clear night

82° 💧 None 💨 10 mph H 54%29.88 inHg

1:00 AM

Clear night

81° 💧 None 💨 8 mph H 59%29.88 inHg

2:00 AM

Clear night

80° 💧 None 💨 8 mph H 61%29.91 inHg

3:00 AM

Clear night

79° 💧 None 💨 7 mph H 62%29.88 inHg

4:00 AM

Clear night

78° 💧 None 💨 7 mph H 61%29.88 inHg

5:00 AM

Clear night

77° 💧 None 💨 6 mph H 62%29.88 inHg

6:00 AM

Clear night

77° 💧 None 💨 7 mph H 63%29.88 inHg

7:00 AM

Clear night

75° 💧 None 💨 6 mph H 63%29.91 inHg

8:00 AM

Sunny

78° 💧 None 💨 6 mph H 57%29.91 inHg

9:00 AM

Sunny

85° 💧 None 💨 7 mph H 47%29.94 inHg

10:00 AM

Sunny

90° 💧 None 💨 8 mph H 40%29.94 inHg

11:00 AM

Sunny

94° 💧 None 💨 9 mph H 34%29.91 inHg

12:00 PM

Sunny

97° 💧 None 💨 10 mph H 29%29.91 inHg

1:00 PM

Sunny

99° 💧 None 💨 10 mph H 26%29.88 inHg

2:00 PM

Sunny

101° 💧 None 💨 10 mph H 24%29.85 inHg

3:00 PM

Sunny

102° 💧 None 💨 10 mph H 22%29.83 inHg

4:00 PM

Sunny

103° 💧 None 💨 9 mph H 21%29.80 inHg

5:00 PM

Sunny

103° 💧 None 💨 9 mph H 21%29.80 inHg

6:00 PM

Sunny

103° 💧 None 💨 9 mph H 21%29.77 inHg

7:00 PM

Sunny

98° 💧 None 💨 20 mph H 28%29.80 inHg

8:00 PM

Overcast night

94° 💧 None 💨 16 mph H 32%29.80 inHg

9:00 PM

Overcast night

92° 💧 None 💨 16 mph H 37%29.83 inHg

10:00 PM

Overcast night

91° 💧 None 💨 13 mph H 38%29.83 inHg

11:00 PM

Overcast night

89° 💧 None 💨 11 mph H 42%29.85 inHg

Sunday

12:00 AM

Mostly cloudy night

84° 💧 None 💨 10 mph H 49%29.85 inHg

1:00 AM

Mostly cloudy night

82° 💧 None 💨 7 mph H 54%29.88 inHg

2:00 AM

Clear night

81° 💧 None 💨 6 mph H 57%29.88 inHg

3:00 AM

Clear night

80° 💧 None 💨 6 mph H 60%29.88 inHg

4:00 AM

Clear night

79° 💧 None 💨 5 mph H 62%29.88 inHg

5:00 AM

Clear night

78° 💧 None 💨 5 mph H 63%29.88 inHg

6:00 AM

Clear night

78° 💧 None 💨 4 mph H 63%29.88 inHg

7:00 AM

Mostly clear night

77° 💧 None 💨 5 mph H 64%29.91 inHg

8:00 AM

Light rain

80° 💧 0.01 in 💨 3 mph H 59%29.91 inHg

9:00 AM

Overcast

85° 💧 None 💨 5 mph H 50%29.91 inHg

10:00 AM

Overcast

89° 💧 None 💨 4 mph H 43%29.91 inHg

11:00 AM

Overcast

94° 💧 None 💨 6 mph H 36%29.91 inHg

12:00 PM

Overcast

98° 💧 None 💨 9 mph H 30%29.88 inHg

1:00 PM

Mostly cloudy

100° 💧 None 💨 11 mph H 27%29.88 inHg

2:00 PM

Partly cloudy

102° 💧 None 💨 12 mph H 25%29.85 inHg

3:00 PM

Mostly cloudy

104° 💧 None 💨 12 mph H 23%29.83 inHg

4:00 PM

Mostly cloudy

104° 💧 None 💨 12 mph H 23%29.80 inHg

5:00 PM

Overcast

102° 💧 None 💨 13 mph H 23%29.77 inHg

6:00 PM

Mostly cloudy

102° 💧 None 💨 14 mph H 23%29.77 inHg

7:00 PM

Mostly cloudy

99° 💧 None 💨 14 mph H 27%29.77 inHg

8:00 PM

Overcast night

95° 💧 None 💨 13 mph H 30%29.80 inHg

9:00 PM

Overcast night

94° 💧 None 💨 12 mph H 34%29.80 inHg

10:00 PM

Overcast night

91° 💧 None 💨 11 mph H 38%29.83 inHg

11:00 PM

Overcast night

87° 💧 None 💨 9 mph H 43%29.85 inHg

Monday

12:00 AM

Mostly cloudy night

83° 💧 None 💨 9 mph H 49%29.85 inHg

1:00 AM

Mostly cloudy night

82° 💧 None 💨 8 mph H 52%29.85 inHg

2:00 AM

Clear night

80° 💧 None 💨 7 mph H 55%29.85 inHg

3:00 AM

Clear night

79° 💧 None 💨 7 mph H 57%29.85 inHg

4:00 AM

Clear night

79° 💧 None 💨 6 mph H 60%29.85 inHg

5:00 AM

Clear night

78° 💧 None 💨 7 mph H 61%29.85 inHg

6:00 AM

Clear night

77° 💧 None 💨 6 mph H 63%29.88 inHg

7:00 AM

Clear night

77° 💧 None 💨 5 mph H 64%29.91 inHg

8:00 AM

Sunny

79° 💧 None 💨 5 mph H 60%29.91 inHg

9:00 AM

Sunny

85° 💧 None 💨 8 mph H 48%29.91 inHg

10:00 AM

Sunny

90° 💧 None 💨 9 mph H 41%29.91 inHg

11:00 AM

Sunny

94° 💧 None 💨 10 mph H 35%29.91 inHg

12:00 PM

Sunny

97° 💧 None 💨 11 mph H 31%29.91 inHg

1:00 PM

Sunny

100° 💧 None 💨 12 mph H 26%29.88 inHg

2:00 PM

Sunny

102° 💧 None 💨 13 mph H 25%29.85 inHg

3:00 PM

Sunny

103° 💧 None 💨 11 mph H 23%29.83 inHg

In Duncan and, more broadly, across the state of Oklahoma: As the afternoon progresses into the evening, clear skies will persist with temperatures remaining very hot, ranging from 86 to 95 degrees Fahrenheit. Expect the warmth to gradually give way to cooler evening conditions, but temperatures will still be comfortably warm. Winds from the southeast will be noticeable, averaging up to 19 mph with gusts reaching 24 mph, providing some relief from the heat. No precipitation is forecasted, so dry conditions will continue through the evening. It’s a good idea to stay hydrated and protect yourself from the sun if you’re outdoors. As the evening sets in, the temperature will slowly decrease, but it will stay warm enough for comfortable outdoor activities under clear skies.

15-Day Weather Outlook for Duncan

TomorrowTomorrow

Sunny 100°/73° 💧 None 💨 18 mph

Saturday, Sep 5Sat Sep 5

Sunny 103°/75° 💧 None 💨 20 mph

Sunday, Sep 6Sun Sep 6

Light rain 104°/77° 💧 0.01 in 💨 14 mph

Monday, Sep 7Mon Sep 7

Sunny 104°/77° 💧 None 💨 18 mph

Tuesday, Sep 8Tue Sep 8

Sunny 106°/78° 💧 None 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Sunny 105°/79° 💧 None 💨 15 mph

Thursday, Sep 10Thu Sep 10

Sunny 105°/77° 💧 None 💨 19 mph

Friday, Sep 11Fri Sep 11

Light rain 101°/76° 💧 0.01 in 💨 18 mph

Saturday, Sep 12Sat Sep 12

Light rain 99°/75° 💧 0.06 in 💨 18 mph

Sunday, Sep 13Sun Sep 13

Light rain 102°/78° 💧 0.01 in 💨 19 mph

Monday, Sep 14Mon Sep 14

Light rain 85°/75° 💧 0.09 in 💨 19 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 104°/76° 💧 None 💨 19 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 103°/72° 💧 0.28 in 💨 26 mph

Thursday, Sep 17Thu Sep 17

Light rain 103°/71° 💧 0.17 in 💨 17 mph

Friday, Sep 18Fri Sep 18

Sunny 101°/81° 💧 None 💨 20 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Duncan

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Duncan

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 PM

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

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

O₃ Ozone Fair 86,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 Duncan

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 9,4Very high 🙂Fair

Tomorrow UV 7,6High 🙂Fair

Saturday UV 9,0Very high 🙂Fair

Sunday UV 9,3Very high 🙂Fair

Monday UV 9,0Very high 🙂Fair

Tuesday UV 10,0Very high —Unavailable

Wednesday UV 9,0Very high —Unavailable

Hourly UV index today

4:00 PMUV 5,7 5:00 PMUV 3,2 6:00 PMUV 1,3 7:00 PMUV 0,3

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.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

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 Duncan

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.49 Population: 22,958

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Duncan were last refreshed today at 3:18 PM. The current forecast period extends through 05/09/2026 at 1:00 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.