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Current weather in Derby is few clouds.

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

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

Now · 8:46 PM

Derby Weather & Hourly Forecast

United States · Colorado · 80022

79°F

Mostly clear night

Feels like: 78°F

💧 Humidity 44% 🌡 Pressure 29.80 inHg 💨 Wind 4 mph 👁 Visibility 32.4 mi ☁ Clouds 16% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Derby

Today

9:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 44%29.80 inHg

Tomorrow

12:00 AM

Mostly clear night

74° 💧 None 💨 4 mph H 56%29.80 inHg

3:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 63%29.80 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 4 mph H 71%29.80 inHg

9:00 AM

Mostly cloudy

71° 💧 None 💨 2 mph H 52%29.83 inHg

12:00 PM

Partly cloudy

88° 💧 0.010 in 💨 4 mph H 26%29.77 inHg

3:00 PM

Light thunderstorms

86° 💧 0.016 in 💨 7 mph H 28%29.74 inHg

6:00 PM

Light rain

84° 💧 0.005 in 💨 6 mph H 30%29.74 inHg

9:00 PM

Light rain

76° 💧 0.007 in 💨 3 mph H 48%29.85 inHg

Tuesday

12:00 AM

Partly cloudy night

70° 💧 None 💨 1 mph H 68%29.88 inHg

3:00 AM

Partly cloudy night

67° 💧 None 💨 2 mph H 75%29.91 inHg

6:00 AM

Partly cloudy night

63° 💧 None 💨 2 mph H 79%29.97 inHg

9:00 AM

Mostly sunny

71° 💧 None 💨 1 mph H 52%30.03 inHg

12:00 PM

Mostly sunny

82° 💧 0.001 in 💨 5 mph H 26%29.97 inHg

3:00 PM

Light rain

86° 💧 0.013 in 💨 2 mph H 23%29.91 inHg

6:00 PM

Partly cloudy

83° 💧 0.001 in 💨 6 mph H 30%29.88 inHg

Today

9:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 44%29.80 inHg

10:00 PM

Mostly clear night

77° 💧 None 💨 4 mph H 49%29.80 inHg

11:00 PM

Partly cloudy night

75° 💧 None 💨 4 mph H 52%29.80 inHg

Tomorrow

12:00 AM

Mostly clear night

74° 💧 None 💨 4 mph H 56%29.80 inHg

1:00 AM

Mostly clear night

72° 💧 None 💨 4 mph H 59%29.80 inHg

2:00 AM

Mostly clear night

69° 💧 None 💨 4 mph H 62%29.80 inHg

3:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 63%29.80 inHg

4:00 AM

Partly cloudy night

67° 💧 None 💨 3 mph H 66%29.80 inHg

5:00 AM

Partly cloudy night

65° 💧 None 💨 3 mph H 70%29.80 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 4 mph H 71%29.80 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 70%29.83 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 4 mph H 63%29.83 inHg

9:00 AM

Mostly cloudy

71° 💧 None 💨 2 mph H 52%29.83 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 1 mph H 42%29.83 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 1 mph H 32%29.80 inHg

12:00 PM

Partly cloudy

88° 💧 None 💨 4 mph H 26%29.77 inHg

1:00 PM

Strong thunderstorm

90° 💧 0.000 in 💨 5 mph H 24%29.74 inHg

2:00 PM

Light thunderstorms

86° 💧 0.010 in 💨 8 mph H 30%29.74 inHg

3:00 PM

Light thunderstorms

86° 💧 0.007 in 💨 7 mph H 28%29.74 inHg

4:00 PM

Light rain

86° 💧 0.006 in 💨 5 mph H 27%29.71 inHg

5:00 PM

Mostly cloudy

84° 💧 0.003 in 💨 7 mph H 31%29.74 inHg

6:00 PM

Light rain

84° 💧 0.004 in 💨 6 mph H 30%29.74 inHg

7:00 PM

Mostly cloudy

82° 💧 None 💨 1 mph H 38%29.77 inHg

8:00 PM

Mostly cloudy night

79° 💧 0.000 in 💨 2 mph H 44%29.80 inHg

9:00 PM

Light rain

76° 💧 0.007 in 💨 3 mph H 48%29.85 inHg

10:00 PM

Partly cloudy night

74° 💧 0.000 in 💨 2 mph H 53%29.88 inHg

11:00 PM

Mostly cloudy night

71° 💧 None 💨 3 mph H 62%29.88 inHg

Tuesday

12:00 AM

Partly cloudy night

70° 💧 None 💨 1 mph H 68%29.88 inHg

1:00 AM

Mostly cloudy night

69° 💧 None 💨 2 mph H 70%29.88 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 1 mph H 74%29.88 inHg

3:00 AM

Partly cloudy night

67° 💧 None 💨 2 mph H 75%29.91 inHg

4:00 AM

Mostly clear night

65° 💧 None 💨 2 mph H 77%29.94 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 2 mph H 78%29.97 inHg

6:00 AM

Partly cloudy night

63° 💧 None 💨 2 mph H 79%29.97 inHg

7:00 AM

Partly cloudy

63° 💧 None 💨 2 mph H 79%30.00 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 2 mph H 66%30.03 inHg

9:00 AM

Mostly sunny

71° 💧 None 💨 1 mph H 52%30.03 inHg

10:00 AM

Sunny

76° 💧 None 💨 2 mph H 41%30.03 inHg

11:00 AM

Mostly sunny

80° 💧 None 💨 4 mph H 32%30.00 inHg

12:00 PM

Mostly sunny

82° 💧 None 💨 5 mph H 26%29.97 inHg

1:00 PM

Partly cloudy

84° 💧 0.001 in 💨 4 mph H 23%29.94 inHg

2:00 PM

Partly cloudy

86° 💧 0.001 in 💨 3 mph H 22%29.91 inHg

3:00 PM

Light rain

86° 💧 0.005 in 💨 2 mph H 23%29.91 inHg

4:00 PM

Partly cloudy

86° 💧 0.003 in 💨 1 mph H 24%29.88 inHg

5:00 PM

Light rain

85° 💧 0.004 in 💨 5 mph H 25%29.88 inHg

6:00 PM

Partly cloudy

83° 💧 0.001 in 💨 6 mph H 30%29.88 inHg

7:00 PM

Mostly sunny

81° 💧 0.000 in 💨 4 mph H 35%29.91 inHg

8:00 PM

Clear night

78° 💧 None 💨 4 mph H 40%29.94 inHg

9:00 PM

Clear night

77° 💧 None 💨 5 mph H 45%29.97 inHg

10:00 PM

Clear night

75° 💧 None 💨 7 mph H 51%30.00 inHg

11:00 PM

Clear night

73° 💧 None 💨 6 mph H 55%30.00 inHg

Wednesday

12:00 AM

Clear night

72° 💧 None 💨 7 mph H 58%30.00 inHg

1:00 AM

Clear night

70° 💧 None 💨 3 mph H 62%30.00 inHg

2:00 AM

Clear night

68° 💧 None 💨 3 mph H 68%30.03 inHg

3:00 AM

Clear night

66° 💧 None 💨 6 mph H 67%30.06 inHg

4:00 AM

Clear night

66° 💧 None 💨 5 mph H 57%30.06 inHg

5:00 AM

Clear night

64° 💧 None 💨 3 mph H 57%30.09 inHg

6:00 AM

Clear night

63° 💧 None 💨 4 mph H 57%30.15 inHg

3:00 PM

Sunny

82° 💧 None 💨 5 mph H 18%30.09 inHg

6:00 PM

Sunny

81° 💧 None 💨 4 mph H 21%30.03 inHg

9:00 PM

Mostly clear night

76° 💧 None 💨 4 mph H 33%30.09 inHg

Thursday

12:00 AM

Mostly clear night

68° 💧 None 💨 2 mph H 56%30.12 inHg

3:00 AM

Partly cloudy night

63° 💧 None 💨 2 mph H 62%30.12 inHg

6:00 AM

Clear night

58° 💧 None 💨 2 mph H 66%30.09 inHg

9:00 AM

Sunny

66° 💧 None 💨 1 mph H 52%30.09 inHg

12:00 PM

Sunny

84° 💧 None 💨 3 mph H 18%29.94 inHg

3:00 PM

Sunny

91° 💧 None 💨 2 mph H 10%29.77 inHg

6:00 PM

Sunny

89° 💧 None 💨 4 mph H 10%29.71 inHg

9:00 PM

Clear night

79° 💧 None 💨 5 mph H 34%29.80 inHg

Friday

12:00 AM

Clear night

70° 💧 None 💨 4 mph H 41%29.80 inHg

3:00 AM

Partly cloudy night

63° 💧 None 💨 3 mph H 41%29.77 inHg

6:00 AM

Partly cloudy night

60° 💧 None 💨 3 mph H 39%29.77 inHg

9:00 AM

Mostly cloudy

70° 💧 None 💨 4 mph H 27%29.77 inHg

12:00 PM

Mostly cloudy

86° 💧 None 💨 1 mph H 12%29.68 inHg

3:00 PM

Partly cloudy

91° 💧 None 💨 3 mph H 10%29.56 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 6 mph H 11%29.56 inHg

9:00 PM

Partly cloudy night

81° 💧 None 💨 6 mph H 18%29.68 inHg

Saturday

12:00 AM

Mostly clear night

73° 💧 None 💨 3 mph H 27%29.77 inHg

3:00 AM

Mostly clear night

67° 💧 None 💨 10 mph H 40%29.85 inHg

6:00 AM

Partly cloudy night

62° 💧 None 💨 6 mph H 45%29.94 inHg

9:00 AM

Partly cloudy

63° 💧 None 💨 4 mph H 42%29.97 inHg

12:00 PM

Mostly cloudy

74° 💧 None 💨 2 mph H 30%29.85 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 1 mph H 24%29.83 inHg

Sunday

12:00 AM

Partly cloudy night

90° 💧 None 💨 7 mph H 20%29.59 inHg

6:00 AM

Clear night

74° 💧 None 💨 3 mph H 36%29.68 inHg

12:00 PM

Sunny

63° 💧 None 💨 1 mph H 61%29.85 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 8 mph H 46%29.83 inHg

Monday

12:00 AM

Light rain

71° 💧 None 💨 3 mph H 64%29.85 inHg

6:00 AM

Overcast night

65° 💧 None 💨 1 mph H 88%29.85 inHg

12:00 PM

Overcast

61° 💧 None 💨 3 mph H 94%29.85 inHg

6:00 PM

Partly cloudy

71° 💧 None 💨 5 mph H 64%29.85 inHg

Tuesday

12:00 AM

Partly cloudy night

76° 💧 None 💨 10 mph H 38%29.83 inHg

6:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 47%30.06 inHg

12:00 PM

Sunny

57° 💧 None 💨 1 mph H 65%30.09 inHg

6:00 PM

Sunny

75° 💧 None 💨 4 mph H 44%30.00 inHg

Wednesday

12:00 AM

Clear night

78° 💧 None 💨 8 mph H 40%29.88 inHg

6:00 AM

Clear night

66° 💧 None 💨 3 mph H 64%29.97 inHg

12:00 PM

Sunny

59° 💧 None 💨 2 mph H 79%30.09 inHg

6:00 PM

Partly cloudy

84° 💧 None 💨 3 mph H 27%30.03 inHg

Thursday

12:00 AM

Light rain

86° 💧 None 💨 1 mph H 24%30.00 inHg

6:00 AM

Clear night

69° 💧 None 💨 2 mph H 72%30.15 inHg

12:00 PM

Mostly sunny

60° 💧 None 💨 2 mph H 81%30.21 inHg

6:00 PM

Sunny

85° 💧 None 💨 2 mph H 27%30.18 inHg

Friday

12:00 AM

Partly cloudy night

90° 💧 None 💨 4 mph H 19%30.09 inHg

6:00 AM

Partly cloudy night

72° 💧 None 💨 2 mph H 56%30.30 inHg

12:00 PM

Partly cloudy

64° 💧 None 💨 6 mph H 82%30.45 inHg

6:00 PM

Mostly cloudy

71° 💧 None 💨 5 mph H 66%30.45 inHg

Saturday

12:00 AM

Light rain

73° 💧 None 💨 2 mph H 60%30.33 inHg

6:00 AM

Mostly cloudy night

65° 💧 None 💨 3 mph H 87%30.36 inHg

12:00 PM

Overcast

59° 💧 None 💨 2 mph H 98%30.24 inHg

6:00 PM

Mostly sunny

73° 💧 None 💨 3 mph H 62%30.15 inHg

Sunday

12:00 AM

Mostly cloudy night

77° 💧 None 💨 4 mph H 48%29.97 inHg

6:00 AM

Mostly clear night

66° 💧 None 💨 3 mph H 81%29.97 inHg

12:00 PM

Sunny

59° 💧 None 💨 2 mph H 87%29.94 inHg

6:00 PM

Partly cloudy

81° 💧 None 💨 2 mph H 36%29.83 inHg

Monday

12:00 AM

Light rain

82° 💧 None 💨 3 mph H 33%29.71 inHg

6:00 AM

Mostly cloudy night

66° 💧 None 💨 4 mph H 83%29.88 inHg

12:00 PM

Partly cloudy

60° 💧 None 💨 0 mph H 87%29.85 inHg

In Derby and, more broadly, across the state of Colorado: This evening will be mostly sunny with a few clouds drifting through. Temperatures will remain mild to warm, holding steady around 76 degrees Fahrenheit. Light north winds are expected, with maximum sustained speeds of about 3 mph and gusts reaching up to 2 mph. No precipitation is anticipated during the next few hours, making for a calm and pleasant evening. Conditions should remain stable overnight, with temperatures staying steady and gentle breezes continuing from the north. Overall, it should be an uneventful and comfortable evening for outdoor activities or relaxing indoors.

15-Day Weather Outlook for Derby

Tuesday, Sep 8Tue Sep 8

Mostly cloudy 86°/63° 💧 None 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 83°/63° 💧 0.096 in 💨 7 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 91°/58° 💧 None 💨 4 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 91°/60° 💧 None 💨 5 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 90°/62° 💧 0.000 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 90°/63° 💧 0.003 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Light rain 79°/61° 💧 0.211 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 76°/57° 💧 0.005 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Sunny 78°/59° 💧 0.001 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Light rain 86°/60° 💧 0.030 in 💨 3 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 90°/64° 💧 0.037 in 💨 6 mph

Saturday, Sep 19Sat Sep 19

Light rain 73°/59° 💧 0.184 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 77°/59° 💧 0.011 in 💨 4 mph

Monday, Sep 21Mon Sep 21

Light rain 82°/60° 💧 0.046 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Derby

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Derby

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 9:00 PM

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 2,1µg/m³

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

O₃ Ozone Fair 68,2µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/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 Derby

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 9,2Very high 🙂Fair

Tomorrow UV 6,2High 😊Good

Tuesday UV 8,7Very high 😊Good

Wednesday UV 8,6Very high 🙂Fair

Thursday UV 8,5Very high 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 8,0Very high —Unavailable

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 Derby

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · DERBY, COLORADO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

87/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:56 PM–5:00 AM

☁ Cloud cover 18% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 55° 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 min70%

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 Derby were last refreshed today at 8:46 PM. The current forecast period extends through 08/09/2026 at 6:00 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.