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

Now · 8:49 AM

Arapahoe Weather & Hourly Forecast

United States · Colorado · 80802

65°F

Sunny

Feels like: 58°F

💧 Humidity 55% 🌡 Pressure 30.00 inHg 💨 Wind 14 mph 👁 Visibility 29.7 mi ☁ Clouds 3% ☀️ UV index 0.6 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Arapahoe

Today

9:00 AM

Sunny

65° 💧 None 💨 14 mph H 55%30.00 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 11 mph H 43%30.00 inHg

3:00 PM

Partly cloudy

77° 💧 None 💨 11 mph H 43%29.94 inHg

6:00 PM

Partly cloudy

76° 💧 None 💨 10 mph H 46%29.91 inHg

9:00 PM

Partly cloudy night

69° 💧 None 💨 5 mph H 64%29.97 inHg

Tomorrow

12:00 AM

Mostly cloudy night

65° 💧 None 💨 6 mph H 72%30.00 inHg

3:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 80%29.97 inHg

6:00 AM

Clear night

60° 💧 None 💨 2 mph H 91%29.94 inHg

9:00 AM

Sunny

68° 💧 None 💨 5 mph H 77%29.97 inHg

12:00 PM

Sunny

82° 💧 None 💨 7 mph H 53%29.88 inHg

3:00 PM

Sunny

88° 💧 None 💨 11 mph H 42%29.80 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 13 mph H 47%29.77 inHg

9:00 PM

Clear night

77° 💧 0.000 in 💨 16 mph H 60%29.83 inHg

Monday

12:00 AM

Mostly cloudy night

73° 💧 None 💨 9 mph H 60%29.83 inHg

3:00 AM

Mostly clear night

77° 💧 None 💨 16 mph H 40%29.77 inHg

6:00 AM

Mostly clear night

75° 💧 None 💨 16 mph H 43%29.74 inHg

Today

9:00 AM

Sunny

65° 💧 None 💨 14 mph H 55%30.00 inHg

10:00 AM

Sunny

68° 💧 None 💨 13 mph H 49%30.00 inHg

11:00 AM

Sunny

71° 💧 None 💨 12 mph H 45%30.03 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 11 mph H 43%30.00 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 11 mph H 42%29.97 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 11 mph H 42%29.97 inHg

3:00 PM

Partly cloudy

77° 💧 None 💨 11 mph H 43%29.94 inHg

4:00 PM

Mostly cloudy

77° 💧 None 💨 10 mph H 43%29.91 inHg

5:00 PM

Partly cloudy

77° 💧 None 💨 10 mph H 43%29.91 inHg

6:00 PM

Partly cloudy

76° 💧 None 💨 10 mph H 46%29.91 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 9 mph H 53%29.91 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 7 mph H 59%29.94 inHg

9:00 PM

Partly cloudy night

69° 💧 None 💨 5 mph H 64%29.97 inHg

10:00 PM

Partly cloudy night

68° 💧 None 💨 6 mph H 66%30.00 inHg

11:00 PM

Partly cloudy night

67° 💧 None 💨 5 mph H 69%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

65° 💧 None 💨 6 mph H 72%30.00 inHg

1:00 AM

Partly cloudy night

64° 💧 None 💨 6 mph H 74%30.00 inHg

2:00 AM

Mostly cloudy night

63° 💧 None 💨 5 mph H 77%29.97 inHg

3:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 80%29.97 inHg

4:00 AM

Mostly clear night

61° 💧 None 💨 4 mph H 84%29.97 inHg

5:00 AM

Mostly clear night

60° 💧 None 💨 3 mph H 89%29.94 inHg

6:00 AM

Clear night

60° 💧 None 💨 2 mph H 91%29.94 inHg

7:00 AM

Sunny

60° 💧 None 💨 2 mph H 90%29.97 inHg

8:00 AM

Sunny

64° 💧 None 💨 4 mph H 84%29.97 inHg

9:00 AM

Sunny

68° 💧 None 💨 5 mph H 77%29.97 inHg

10:00 AM

Sunny

73° 💧 None 💨 6 mph H 69%29.94 inHg

11:00 AM

Sunny

78° 💧 None 💨 6 mph H 60%29.91 inHg

12:00 PM

Sunny

82° 💧 None 💨 7 mph H 53%29.88 inHg

1:00 PM

Sunny

85° 💧 None 💨 8 mph H 48%29.85 inHg

2:00 PM

Sunny

87° 💧 None 💨 9 mph H 44%29.83 inHg

3:00 PM

Sunny

88° 💧 None 💨 11 mph H 42%29.80 inHg

4:00 PM

Mostly sunny

88° 💧 None 💨 12 mph H 41%29.77 inHg

5:00 PM

Mostly sunny

87° 💧 None 💨 13 mph H 43%29.77 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 13 mph H 47%29.77 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 13 mph H 51%29.80 inHg

8:00 PM

Clear night

79° 💧 None 💨 14 mph H 59%29.80 inHg

9:00 PM

Clear night

77° 💧 None 💨 16 mph H 60%29.83 inHg

10:00 PM

Clear night

74° 💧 None 💨 14 mph H 72%29.85 inHg

11:00 PM

Mostly clear night

72° 💧 0.000 in 💨 11 mph H 73%29.85 inHg

Monday

12:00 AM

Mostly cloudy night

73° 💧 None 💨 9 mph H 60%29.83 inHg

1:00 AM

Overcast night

75° 💧 None 💨 11 mph H 49%29.80 inHg

2:00 AM

Mostly cloudy night

77° 💧 None 💨 15 mph H 42%29.80 inHg

3:00 AM

Mostly clear night

77° 💧 None 💨 16 mph H 40%29.77 inHg

4:00 AM

Clear night

77° 💧 None 💨 16 mph H 41%29.74 inHg

5:00 AM

Mostly clear night

76° 💧 None 💨 17 mph H 42%29.74 inHg

6:00 AM

Mostly clear night

75° 💧 None 💨 16 mph H 43%29.74 inHg

7:00 AM

Partly cloudy

75° 💧 None 💨 16 mph H 43%29.74 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 15 mph H 40%29.74 inHg

9:00 AM

Mostly sunny

82° 💧 None 💨 15 mph H 37%29.74 inHg

10:00 AM

Partly cloudy

85° 💧 None 💨 16 mph H 33%29.74 inHg

11:00 AM

Partly cloudy

89° 💧 None 💨 15 mph H 30%29.71 inHg

12:00 PM

Partly cloudy

92° 💧 None 💨 15 mph H 27%29.68 inHg

1:00 PM

Strong thunderstorm

90° 💧 0.002 in 💨 15 mph H 27%29.65 inHg

2:00 PM

Light rain

93° 💧 0.007 in 💨 10 mph H 25%29.62 inHg

3:00 PM

Light thunderstorms

93° 💧 0.004 in 💨 11 mph H 23%29.59 inHg

4:00 PM

Mostly cloudy

93° 💧 0.000 in 💨 8 mph H 23%29.59 inHg

5:00 PM

Mostly cloudy

92° 💧 None 💨 9 mph H 23%29.56 inHg

6:00 PM

Overcast

89° 💧 0.000 in 💨 7 mph H 27%29.59 inHg

Tuesday

3:00 AM

Mostly clear night

68° 💧 None 💨 9 mph H 77%29.80 inHg

6:00 AM

Partly cloudy night

65° 💧 None 💨 15 mph H 83%29.91 inHg

9:00 AM

Overcast

64° 💧 None 💨 17 mph H 71%30.03 inHg

12:00 PM

Overcast

69° 💧 None 💨 15 mph H 43%30.09 inHg

3:00 PM

Mostly cloudy

71° 💧 None 💨 13 mph H 40%30.03 inHg

6:00 PM

Overcast

68° 💧 None 💨 11 mph H 48%30.03 inHg

9:00 PM

Overcast night

65° 💧 None 💨 6 mph H 70%30.12 inHg

Wednesday

12:00 AM

Light rain

63° 💧 None 💨 7 mph H 83%30.12 inHg

3:00 AM

Overcast night

62° 💧 None 💨 5 mph H 87%30.09 inHg

6:00 AM

Overcast night

61° 💧 None 💨 4 mph H 90%30.12 inHg

9:00 AM

Overcast

64° 💧 None 💨 6 mph H 86%30.15 inHg

12:00 PM

Light rain

71° 💧 None 💨 8 mph H 72%30.12 inHg

3:00 PM

Overcast

75° 💧 None 💨 11 mph H 65%30.06 inHg

6:00 PM

Light thunderstorms

72° 💧 None 💨 6 mph H 77%30.06 inHg

9:00 PM

Moderate rain

67° 💧 None 💨 4 mph H 95%30.15 inHg

Thursday

12:00 AM

Moderate rain

65° 💧 None 💨 7 mph H 98%30.15 inHg

3:00 AM

Mostly cloudy night

65° 💧 None 💨 10 mph H 98%30.12 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 98%30.12 inHg

9:00 AM

Mostly cloudy

69° 💧 None 💨 6 mph H 84%30.15 inHg

12:00 PM

Mostly sunny

78° 💧 None 💨 8 mph H 58%30.09 inHg

3:00 PM

Light thunderstorms

71° 💧 None 💨 8 mph H 88%30.03 inHg

6:00 PM

Heavy rain

68° 💧 None 💨 12 mph H 87%30.06 inHg

9:00 PM

Mostly cloudy night

66° 💧 None 💨 5 mph H 94%30.06 inHg

Friday

12:00 AM

Clear night

66° 💧 None 💨 9 mph H 94%30.00 inHg

6:00 AM

Light rain

65° 💧 None 💨 7 mph H 95%30.03 inHg

12:00 PM

Sunny

59° 💧 None 💨 9 mph H 94%30.09 inHg

6:00 PM

Sunny

74° 💧 None 💨 14 mph H 39%30.12 inHg

Saturday

12:00 AM

Clear night

72° 💧 None 💨 13 mph H 40%30.06 inHg

6:00 AM

Clear night

58° 💧 None 💨 6 mph H 81%30.24 inHg

12:00 PM

Sunny

53° 💧 None 💨 9 mph H 84%30.27 inHg

6:00 PM

Sunny

66° 💧 None 💨 8 mph H 46%30.27 inHg

Sunday

12:00 AM

Mostly clear night

67° 💧 None 💨 9 mph H 48%30.18 inHg

6:00 AM

Clear night

55° 💧 None 💨 4 mph H 76%30.27 inHg

12:00 PM

Sunny

50° 💧 None 💨 3 mph H 86%30.27 inHg

6:00 PM

Sunny

67° 💧 None 💨 6 mph H 49%30.24 inHg

Monday

12:00 AM

Mostly clear night

66° 💧 None 💨 8 mph H 52%30.09 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 7 mph H 70%30.12 inHg

12:00 PM

Mostly cloudy

53° 💧 None 💨 10 mph H 73%30.06 inHg

6:00 PM

Partly cloudy

73° 💧 None 💨 5 mph H 48%29.97 inHg

Tuesday

12:00 AM

Mostly clear night

74° 💧 None 💨 7 mph H 51%29.88 inHg

6:00 AM

Clear night

61° 💧 None 💨 6 mph H 70%29.97 inHg

12:00 PM

Mostly sunny

55° 💧 None 💨 4 mph H 86%29.97 inHg

6:00 PM

Mostly sunny

80° 💧 None 💨 11 mph H 39%29.94 inHg

Wednesday

12:00 AM

Clear night

77° 💧 None 💨 12 mph H 37%29.85 inHg

6:00 AM

Clear night

65° 💧 None 💨 13 mph H 49%29.97 inHg

12:00 PM

Sunny

61° 💧 None 💨 14 mph H 52%29.97 inHg

6:00 PM

Sunny

81° 💧 None 💨 14 mph H 35%29.91 inHg

Thursday

12:00 AM

Clear night

80° 💧 None 💨 13 mph H 36%29.85 inHg

6:00 AM

Clear night

66° 💧 None 💨 12 mph H 37%30.00 inHg

12:00 PM

Sunny

60° 💧 None 💨 8 mph H 46%30.06 inHg

6:00 PM

Mostly sunny

78° 💧 None 💨 5 mph H 37%30.09 inHg

Friday

12:00 AM

Mostly clear night

81° 💧 None 💨 7 mph H 35%30.00 inHg

6:00 AM

Clear night

67° 💧 None 💨 9 mph H 45%30.15 inHg

12:00 PM

Mostly sunny

61° 💧 None 💨 5 mph H 49%30.18 inHg

6:00 PM

Mostly cloudy

80° 💧 None 💨 6 mph H 31%30.18 inHg

Saturday

12:00 AM

Partly cloudy night

80° 💧 None 💨 9 mph H 32%30.12 inHg

6:00 AM

Mostly clear night

67° 💧 None 💨 7 mph H 35%30.21 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 5 mph H 42%30.18 inHg

6:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 26%30.15 inHg

Sunday

12:00 AM

Mostly clear night

80° 💧 None 💨 9 mph H 25%30.03 inHg

In Arapahoe and, more broadly, across the state of Colorado: This morning will begin with a mix of sun and clouds, and temperatures will be mild, lingering between 53 and 71 degrees Fahrenheit. Some light rain may occur, with total accumulation around 0.03 inches, and there is about a 71% chance of rain at times. Winds will be moderate from the southwest, reaching up to 12 mph, with gusts around 16 mph. As the day progresses into the afternoon, the sky will continue to feature a blend of sunshine and clouds. Temperatures are expected to stay within the mild range, providing comfortable conditions. Occasional rain showers are possible, but significant rainfall is unlikely. Winds will remain moderate, maintaining a southwest direction, and could occasionally gust higher. Overall, the day will be characterized by mild temperatures with some periods of rain and breezy conditions.

15-Day Weather Outlook for Arapahoe

TomorrowTomorrow

Partly cloudy 88°/60° 💧 None 💨 13 mph

Monday, Sep 14Mon Sep 14

Strong thunderstorm 93°/72° 💧 None 💨 17 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 89°/64° 💧 0.147 in 💨 17 mph

Wednesday, Sep 16Wed Sep 16

Light rain 75°/61° 💧 0.022 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Light thunderstorms 78°/64° 💧 0.834 in 💨 10 mph

Friday, Sep 18Fri Sep 18

Heavy rain 68°/59° 💧 0.311 in 💨 12 mph

Saturday, Sep 19Sat Sep 19

Sunny 74°/53° 💧 None 💨 14 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 67°/50° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 67°/53° 💧 None 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 74°/55° 💧 None 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 80°/61° 💧 None 💨 14 mph

Thursday, Sep 24Thu Sep 24

Sunny 81°/60° 💧 None 💨 14 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 81°/61° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 80°/62° 💧 None 💨 9 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 80°/80° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Arapahoe

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Arapahoe

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 2,8µg/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 5,0µg/m³

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

O₃ Ozone Good 46,5µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Arapahoe

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 7,9High 😊Good

Tomorrow UV 8,3Very high 🙂Fair

Monday UV 7,4High 🙂Fair

Tuesday UV 5,0Moderate 🙂Fair

Wednesday UV 7,0High 😊Good

Thursday UV 5,0Moderate —Unavailable

Friday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Arapahoe

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ARAPAHOE, COLORADO

Tonight's Stargazing & Shooting Stars

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

82/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:32 PM–4:58 AM

☁ Cloud cover 22% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min75%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Arapahoe were last refreshed today at 8:49 AM. The current forecast period extends through 14/09/2026 at 6:00 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.