What is the weather in Denison right now?

Current weather in Denison is scattered clouds.

Where can I find the hourly weather forecast for Denison?

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

Is the weather forecast for Denison updated regularly?

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

Now · 6:15 AM

Denison Weather & Hourly Forecast

United States · Kansas · 66419

78°F

Partly cloudy night

Feels like: 77°F

💧 Humidity 33% 🌡 Pressure 29.91 inHg 💨 Wind 14 mph 👁 Visibility 6.2 mi ☁ Clouds 32% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:50 AM 🌇 Sunset 7:55 PM

Hourly Forecast for Denison

Today

7:00 AM

Partly cloudy

78° 💧 None 💨 14 mph H 33%29.91 inHg

10:00 AM

Sunny

84° 💧 None 💨 17 mph H 36%29.88 inHg

1:00 PM

Sunny

96° 💧 None 💨 14 mph H 22%29.85 inHg

4:00 PM

Mostly sunny

101° 💧 None 💨 9 mph H 19%29.80 inHg

7:00 PM

Partly cloudy

95° 💧 None 💨 10 mph H 22%29.77 inHg

10:00 PM

Mostly cloudy night

87° 💧 None 💨 15 mph H 24%29.83 inHg

Tomorrow

1:00 AM

Partly cloudy night

83° 💧 None 💨 13 mph H 28%29.85 inHg

4:00 AM

Clear night

80° 💧 None 💨 12 mph H 35%29.88 inHg

7:00 AM

Mostly sunny

77° 💧 None 💨 9 mph H 45%29.91 inHg

10:00 AM

Mostly sunny

89° 💧 None 💨 14 mph H 29%29.91 inHg

1:00 PM

Sunny

96° 💧 None 💨 14 mph H 18%29.85 inHg

4:00 PM

Sunny

101° 💧 None 💨 15 mph H 15%29.77 inHg

7:00 PM

Sunny

95° 💧 None 💨 12 mph H 18%29.77 inHg

10:00 PM

Mostly clear night

88° 💧 None 💨 8 mph H 27%29.80 inHg

Wednesday

1:00 AM

Partly cloudy night

92° 💧 None 💨 20 mph H 29%29.83 inHg

4:00 AM

Mostly cloudy night

87° 💧 None 💨 17 mph H 37%29.83 inHg

Today

7:00 AM

Partly cloudy

78° 💧 None 💨 14 mph H 33%29.91 inHg

8:00 AM

Mostly sunny

78° 💧 None 💨 13 mph H 37%29.91 inHg

9:00 AM

Mostly sunny

80° 💧 None 💨 15 mph H 38%29.91 inHg

10:00 AM

Sunny

84° 💧 None 💨 17 mph H 36%29.88 inHg

11:00 AM

Sunny

89° 💧 None 💨 16 mph H 32%29.88 inHg

12:00 PM

Sunny

93° 💧 None 💨 16 mph H 25%29.88 inHg

1:00 PM

Sunny

96° 💧 None 💨 14 mph H 22%29.85 inHg

2:00 PM

Mostly sunny

99° 💧 None 💨 12 mph H 21%29.83 inHg

3:00 PM

Mostly sunny

101° 💧 None 💨 11 mph H 20%29.83 inHg

4:00 PM

Mostly sunny

101° 💧 None 💨 9 mph H 19%29.80 inHg

5:00 PM

Mostly sunny

101° 💧 None 💨 8 mph H 19%29.77 inHg

6:00 PM

Mostly sunny

99° 💧 None 💨 9 mph H 19%29.77 inHg

7:00 PM

Partly cloudy

95° 💧 None 💨 10 mph H 22%29.77 inHg

8:00 PM

Overcast night

91° 💧 None 💨 11 mph H 25%29.77 inHg

9:00 PM

Mostly cloudy night

89° 💧 None 💨 14 mph H 24%29.80 inHg

10:00 PM

Mostly cloudy night

87° 💧 None 💨 15 mph H 24%29.83 inHg

11:00 PM

Partly cloudy night

85° 💧 None 💨 13 mph H 26%29.83 inHg

Tomorrow

12:00 AM

Partly cloudy night

83° 💧 None 💨 13 mph H 27%29.85 inHg

1:00 AM

Partly cloudy night

83° 💧 None 💨 13 mph H 28%29.85 inHg

2:00 AM

Clear night

81° 💧 None 💨 13 mph H 31%29.85 inHg

3:00 AM

Clear night

81° 💧 None 💨 13 mph H 33%29.85 inHg

4:00 AM

Clear night

80° 💧 None 💨 12 mph H 35%29.88 inHg

5:00 AM

Clear night

79° 💧 None 💨 11 mph H 38%29.88 inHg

6:00 AM

Clear night

77° 💧 None 💨 9 mph H 42%29.88 inHg

7:00 AM

Mostly sunny

77° 💧 None 💨 9 mph H 45%29.91 inHg

8:00 AM

Partly cloudy

79° 💧 None 💨 9 mph H 45%29.91 inHg

9:00 AM

Mostly sunny

83° 💧 None 💨 13 mph H 37%29.91 inHg

10:00 AM

Mostly sunny

89° 💧 None 💨 14 mph H 29%29.91 inHg

11:00 AM

Mostly sunny

92° 💧 None 💨 13 mph H 24%29.91 inHg

12:00 PM

Sunny

94° 💧 None 💨 13 mph H 20%29.88 inHg

1:00 PM

Sunny

96° 💧 None 💨 14 mph H 18%29.85 inHg

2:00 PM

Sunny

99° 💧 None 💨 15 mph H 17%29.83 inHg

3:00 PM

Sunny

101° 💧 None 💨 14 mph H 16%29.80 inHg

4:00 PM

Sunny

101° 💧 None 💨 15 mph H 15%29.77 inHg

5:00 PM

Sunny

100° 💧 None 💨 15 mph H 15%29.77 inHg

6:00 PM

Sunny

98° 💧 None 💨 15 mph H 16%29.77 inHg

7:00 PM

Sunny

95° 💧 None 💨 12 mph H 18%29.77 inHg

8:00 PM

Clear night

93° 💧 None 💨 8 mph H 23%29.77 inHg

9:00 PM

Clear night

90° 💧 None 💨 8 mph H 25%29.80 inHg

10:00 PM

Mostly clear night

88° 💧 None 💨 8 mph H 27%29.80 inHg

11:00 PM

Mostly clear night

85° 💧 None 💨 9 mph H 30%29.83 inHg

Wednesday

12:00 AM

Mostly clear night

88° 💧 None 💨 16 mph H 30%29.83 inHg

1:00 AM

Partly cloudy night

92° 💧 None 💨 20 mph H 29%29.83 inHg

2:00 AM

Mostly cloudy night

91° 💧 None 💨 21 mph H 30%29.83 inHg

3:00 AM

Mostly cloudy night

89° 💧 None 💨 19 mph H 32%29.83 inHg

4:00 AM

Mostly cloudy night

87° 💧 None 💨 17 mph H 37%29.83 inHg

5:00 AM

Mostly cloudy night

85° 💧 None 💨 16 mph H 42%29.85 inHg

6:00 AM

Partly cloudy night

84° 💧 None 💨 15 mph H 45%29.85 inHg

7:00 AM

Partly cloudy

83° 💧 None 💨 14 mph H 47%29.85 inHg

8:00 AM

Mostly sunny

84° 💧 None 💨 13 mph H 47%29.88 inHg

9:00 AM

Mostly sunny

88° 💧 None 💨 17 mph H 42%29.88 inHg

10:00 AM

Sunny

93° 💧 None 💨 18 mph H 35%29.88 inHg

11:00 AM

Sunny

98° 💧 None 💨 18 mph H 29%29.85 inHg

12:00 PM

Sunny

102° 💧 None 💨 17 mph H 25%29.83 inHg

1:00 PM

Sunny

105° 💧 None 💨 17 mph H 21%29.80 inHg

2:00 PM

Sunny

107° 💧 None 💨 16 mph H 18%29.80 inHg

3:00 PM

Sunny

107° 💧 None 💨 16 mph H 17%29.77 inHg

4:00 PM

Sunny

108° 💧 None 💨 16 mph H 17%29.74 inHg

5:00 PM

Sunny

107° 💧 None 💨 16 mph H 17%29.74 inHg

6:00 PM

Sunny

106° 💧 None 💨 16 mph H 18%29.71 inHg

7:00 PM

Mostly sunny

103° 💧 None 💨 16 mph H 20%29.74 inHg

8:00 PM

Mostly cloudy night

100° 💧 None 💨 17 mph H 22%29.74 inHg

9:00 PM

Mostly cloudy night

97° 💧 None 💨 19 mph H 25%29.77 inHg

10:00 PM

Partly cloudy night

94° 💧 None 💨 18 mph H 27%29.77 inHg

11:00 PM

Partly cloudy night

91° 💧 None 💨 17 mph H 29%29.80 inHg

Thursday

12:00 AM

Partly cloudy night

89° 💧 None 💨 16 mph H 34%29.80 inHg

1:00 AM

Partly cloudy night

88° 💧 None 💨 18 mph H 36%29.80 inHg

2:00 AM

Clear night

87° 💧 None 💨 17 mph H 43%29.80 inHg

3:00 AM

Clear night

86° 💧 None 💨 16 mph H 46%29.83 inHg

4:00 AM

Clear night

84° 💧 None 💨 15 mph H 48%29.83 inHg

5:00 AM

Clear night

83° 💧 None 💨 14 mph H 51%29.83 inHg

6:00 AM

Clear night

81° 💧 None 💨 13 mph H 55%29.83 inHg

7:00 AM

Sunny

79° 💧 None 💨 11 mph H 60%29.83 inHg

8:00 AM

Sunny

80° 💧 None 💨 11 mph H 60%29.85 inHg

9:00 AM

Sunny

84° 💧 None 💨 14 mph H 53%29.83 inHg

10:00 AM

Sunny

89° 💧 None 💨 15 mph H 46%29.83 inHg

11:00 AM

Sunny

93° 💧 None 💨 15 mph H 39%29.83 inHg

12:00 PM

Sunny

97° 💧 None 💨 14 mph H 33%29.80 inHg

1:00 PM

Sunny

100° 💧 None 💨 13 mph H 28%29.77 inHg

2:00 PM

Sunny

103° 💧 None 💨 12 mph H 24%29.74 inHg

3:00 PM

Sunny

104° 💧 None 💨 11 mph H 21%29.71 inHg

4:00 PM

Sunny

105° 💧 None 💨 9 mph H 20%29.71 inHg

5:00 PM

Sunny

105° 💧 None 💨 9 mph H 19%29.71 inHg

6:00 PM

Sunny

104° 💧 None 💨 9 mph H 19%29.68 inHg

7:00 PM

Sunny

101° 💧 None 💨 8 mph H 22%29.68 inHg

8:00 PM

Clear night

94° 💧 None 💨 9 mph H 27%29.68 inHg

9:00 PM

Clear night

91° 💧 None 💨 9 mph H 30%29.71 inHg

10:00 PM

Clear night

93° 💧 None 💨 21 mph H 34%29.74 inHg

11:00 PM

Clear night

92° 💧 None 💨 21 mph H 37%29.77 inHg

Friday

12:00 AM

Clear night

90° 💧 None 💨 19 mph H 40%29.77 inHg

1:00 AM

Clear night

88° 💧 None 💨 18 mph H 43%29.77 inHg

2:00 AM

Overcast night

87° 💧 None 💨 17 mph H 46%29.80 inHg

3:00 AM

Partly cloudy night

85° 💧 None 💨 15 mph H 48%29.80 inHg

4:00 AM

Partly cloudy night

84° 💧 None 💨 13 mph H 51%29.80 inHg

5:00 AM

Partly cloudy night

82° 💧 None 💨 13 mph H 54%29.83 inHg

6:00 AM

Mostly clear night

80° 💧 None 💨 12 mph H 57%29.83 inHg

In Denison and, more broadly, across the state of Kansas: This morning, clear skies will dominate, and temperatures are expected to be very hot, ranging from the low 80s to the low 100s. As the day progresses, it will remain dry with no precipitation in the forecast. Winds will be moderate, coming from the southwest at up to 18 mph, with gusts reaching 34 mph. Expect the heat to persist into the afternoon, so it's important to stay hydrated and protect yourself from the sun. Outdoor activities should be planned with caution due to the high temperatures and windy conditions, especially during the hottest parts of the day.

15-Day Weather Outlook for Denison

TomorrowTomorrow

Sunny 101°/77° 💧 None 💨 15 mph

Wednesday, Sep 2Wed Sep 2

Sunny 108°/83° 💧 None 💨 21 mph

Thursday, Sep 3Thu Sep 3

Sunny 105°/79° 💧 None 💨 21 mph

Friday, Sep 4Fri Sep 4

Light rain 108°/79° 💧 0.04 in 💨 18 mph

Saturday, Sep 5Sat Sep 5

Light rain 107°/75° 💧 0.07 in 💨 15 mph

Sunday, Sep 6Sun Sep 6

Overcast 105°/75° 💧 None 💨 17 mph

Monday, Sep 7Mon Sep 7

Overcast 110°/74° 💧 None 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Overcast 112°/81° 💧 None 💨 14 mph

Wednesday, Sep 9Wed Sep 9

Sunny 111°/82° 💧 None 💨 19 mph

Thursday, Sep 10Thu Sep 10

Light rain 93°/73° 💧 0.01 in 💨 18 mph

Friday, Sep 11Fri Sep 11

Sunny 97°/65° 💧 None 💨 10 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 101°/66° 💧 None 💨 16 mph

Sunday, Sep 13Sun Sep 13

Light rain 100°/71° 💧 0.12 in 💨 23 mph

Monday, Sep 14Mon Sep 14

Heavy rain 79°/63° 💧 0.54 in 💨 18 mph

Tuesday, Sep 15Tue Sep 15

Sunny 86°/56° 💧 None 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Denison

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Denison

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 5,4µg/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 5,8µg/m³

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

O₃ Ozone Fair 87,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 Denison

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 8,5Very high 🙂Fair

Tomorrow UV 8,5Very high 😐Moderate

Wednesday UV 8,5Very high 🙂Fair

Thursday UV 8,6Very high 🙂Fair

Friday UV 10,0Very high 🙂Fair

Saturday UV 10,0Very high —Unavailable

Sunday UV 9,0Very high —Unavailable

Hourly UV index today

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

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.

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 Denison

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.37 Population: 232

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Forecast data for Denison were last refreshed today at 6:15 AM. The current forecast period extends through 02/09/2026 at 4:00 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.