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Current weather in Derby is overcast clouds.

Where can I find the hourly weather forecast for Derby?

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

Is the weather forecast for Derby updated regularly?

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

Now · 5:41 AM

Derby Weather & Hourly Forecast

United States · Connecticut · 06418

51°F

Overcast night

Feels like: 44°F

💧 Humidity 76% 🌡 Pressure 30.42 inHg 💨 Wind 11 mph 👁 Visibility 23.5 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:39 AM 🌇 Sunset 6:49 PM

Hourly Forecast for Derby

Today

6:00 AM

Overcast night

51° 💧 None 💨 11 mph H 76%30.42 inHg

9:00 AM

Overcast

56° 💧 0.001 in 💨 11 mph H 73%30.47 inHg

12:00 PM

Overcast

63° 💧 0.000 in 💨 14 mph H 55%30.45 inHg

3:00 PM

Overcast

65° 💧 None 💨 13 mph H 50%30.42 inHg

6:00 PM

Sunny

60° 💧 None 💨 12 mph H 56%30.45 inHg

9:00 PM

Clear night

54° 💧 None 💨 11 mph H 60%30.45 inHg

Tomorrow

12:00 AM

Clear night

51° 💧 None 💨 10 mph H 71%30.45 inHg

3:00 AM

Clear night

49° 💧 None 💨 9 mph H 83%30.42 inHg

6:00 AM

Clear night

49° 💧 None 💨 10 mph H 86%30.39 inHg

9:00 AM

Sunny

53° 💧 None 💨 10 mph H 72%30.39 inHg

12:00 PM

Partly cloudy

61° 💧 None 💨 11 mph H 56%30.36 inHg

3:00 PM

Mostly sunny

64° 💧 None 💨 10 mph H 49%30.30 inHg

6:00 PM

Overcast

61° 💧 None 💨 8 mph H 55%30.27 inHg

9:00 PM

Mostly cloudy night

56° 💧 None 💨 9 mph H 51%30.27 inHg

Friday

12:00 AM

Overcast night

52° 💧 None 💨 7 mph H 69%30.24 inHg

3:00 AM

Mostly cloudy night

53° 💧 None 💨 9 mph H 73%30.18 inHg

Today

6:00 AM

Overcast night

51° 💧 None 💨 11 mph H 76%30.42 inHg

7:00 AM

Overcast

51° 💧 None 💨 12 mph H 77%30.45 inHg

8:00 AM

Overcast

53° 💧 None 💨 12 mph H 76%30.45 inHg

9:00 AM

Overcast

56° 💧 None 💨 11 mph H 73%30.47 inHg

10:00 AM

Overcast

58° 💧 None 💨 11 mph H 70%30.47 inHg

11:00 AM

Overcast

60° 💧 0.001 in 💨 14 mph H 65%30.45 inHg

12:00 PM

Overcast

63° 💧 0.000 in 💨 14 mph H 55%30.45 inHg

1:00 PM

Overcast

64° 💧 None 💨 12 mph H 54%30.45 inHg

2:00 PM

Partly cloudy

65° 💧 None 💨 12 mph H 52%30.42 inHg

3:00 PM

Overcast

65° 💧 None 💨 13 mph H 50%30.42 inHg

4:00 PM

Partly cloudy

64° 💧 None 💨 13 mph H 50%30.42 inHg

5:00 PM

Sunny

63° 💧 None 💨 12 mph H 52%30.42 inHg

6:00 PM

Sunny

60° 💧 None 💨 12 mph H 56%30.45 inHg

7:00 PM

Clear night

57° 💧 None 💨 11 mph H 59%30.45 inHg

8:00 PM

Clear night

55° 💧 None 💨 10 mph H 61%30.45 inHg

9:00 PM

Clear night

54° 💧 None 💨 11 mph H 60%30.45 inHg

10:00 PM

Clear night

52° 💧 None 💨 10 mph H 61%30.45 inHg

11:00 PM

Clear night

51° 💧 None 💨 9 mph H 65%30.45 inHg

Tomorrow

12:00 AM

Clear night

51° 💧 None 💨 10 mph H 71%30.45 inHg

1:00 AM

Clear night

50° 💧 None 💨 9 mph H 75%30.45 inHg

2:00 AM

Clear night

49° 💧 None 💨 9 mph H 79%30.42 inHg

3:00 AM

Clear night

49° 💧 None 💨 9 mph H 83%30.42 inHg

4:00 AM

Clear night

49° 💧 None 💨 10 mph H 85%30.39 inHg

5:00 AM

Clear night

49° 💧 None 💨 10 mph H 86%30.39 inHg

6:00 AM

Clear night

49° 💧 None 💨 10 mph H 86%30.39 inHg

7:00 AM

Sunny

48° 💧 None 💨 10 mph H 86%30.42 inHg

8:00 AM

Sunny

51° 💧 None 💨 10 mph H 79%30.42 inHg

9:00 AM

Sunny

53° 💧 None 💨 10 mph H 72%30.39 inHg

10:00 AM

Sunny

56° 💧 None 💨 11 mph H 66%30.39 inHg

11:00 AM

Sunny

59° 💧 None 💨 11 mph H 61%30.36 inHg

12:00 PM

Partly cloudy

61° 💧 None 💨 11 mph H 56%30.36 inHg

1:00 PM

Sunny

62° 💧 None 💨 10 mph H 54%30.33 inHg

2:00 PM

Sunny

64° 💧 None 💨 10 mph H 51%30.33 inHg

3:00 PM

Mostly sunny

64° 💧 None 💨 10 mph H 49%30.30 inHg

4:00 PM

Mostly cloudy

65° 💧 None 💨 10 mph H 50%30.27 inHg

5:00 PM

Overcast

64° 💧 None 💨 9 mph H 51%30.27 inHg

6:00 PM

Overcast

61° 💧 None 💨 8 mph H 55%30.27 inHg

7:00 PM

Mostly cloudy night

59° 💧 None 💨 8 mph H 56%30.27 inHg

8:00 PM

Mostly cloudy night

57° 💧 None 💨 9 mph H 55%30.27 inHg

9:00 PM

Mostly cloudy night

56° 💧 None 💨 9 mph H 51%30.27 inHg

10:00 PM

Mostly cloudy night

55° 💧 None 💨 8 mph H 55%30.27 inHg

11:00 PM

Overcast night

53° 💧 None 💨 7 mph H 63%30.24 inHg

Friday

12:00 AM

Overcast night

52° 💧 None 💨 7 mph H 69%30.24 inHg

1:00 AM

Partly cloudy night

52° 💧 None 💨 8 mph H 72%30.21 inHg

2:00 AM

Mostly clear night

52° 💧 None 💨 9 mph H 73%30.21 inHg

3:00 AM

Mostly cloudy night

53° 💧 None 💨 9 mph H 73%30.18 inHg

4:00 AM

Mostly cloudy night

54° 💧 None 💨 10 mph H 73%30.18 inHg

5:00 AM

Overcast night

54° 💧 None 💨 10 mph H 74%30.18 inHg

6:00 AM

Overcast night

54° 💧 None 💨 9 mph H 74%30.18 inHg

7:00 AM

Overcast

53° 💧 None 💨 9 mph H 77%30.18 inHg

8:00 AM

Partly cloudy

55° 💧 None 💨 9 mph H 75%30.18 inHg

9:00 AM

Mostly cloudy

58° 💧 None 💨 8 mph H 73%30.18 inHg

10:00 AM

Mostly sunny

61° 💧 None 💨 10 mph H 68%30.18 inHg

11:00 AM

Partly cloudy

64° 💧 None 💨 12 mph H 59%30.18 inHg

12:00 PM

Overcast

66° 💧 None 💨 11 mph H 55%30.15 inHg

1:00 PM

Overcast

68° 💧 None 💨 10 mph H 55%30.15 inHg

2:00 PM

Overcast

69° 💧 None 💨 10 mph H 52%30.12 inHg

3:00 PM

Overcast

70° 💧 None 💨 10 mph H 49%30.12 inHg

4:00 PM

Overcast

70° 💧 None 💨 10 mph H 49%30.12 inHg

5:00 PM

Overcast

68° 💧 None 💨 8 mph H 53%30.12 inHg

6:00 PM

Overcast

66° 💧 None 💨 7 mph H 56%30.12 inHg

7:00 PM

Overcast night

64° 💧 None 💨 7 mph H 57%30.12 inHg

8:00 PM

Overcast night

63° 💧 None 💨 7 mph H 56%30.12 inHg

11:00 PM

Overcast night

62° 💧 None 💨 7 mph H 58%30.12 inHg

Saturday

2:00 AM

Mostly cloudy night

61° 💧 None 💨 9 mph H 70%30.09 inHg

5:00 AM

Overcast night

60° 💧 None 💨 11 mph H 66%30.06 inHg

8:00 AM

Overcast

61° 💧 None 💨 11 mph H 63%30.06 inHg

11:00 AM

Overcast

64° 💧 None 💨 13 mph H 58%30.06 inHg

2:00 PM

Overcast

64° 💧 None 💨 11 mph H 56%30.03 inHg

5:00 PM

Overcast

64° 💧 None 💨 12 mph H 55%30.00 inHg

8:00 PM

Light rain

63° 💧 None 💨 10 mph H 60%29.97 inHg

11:00 PM

Light rain

61° 💧 None 💨 12 mph H 73%29.94 inHg

Sunday

2:00 AM

Moderate rain

59° 💧 None 💨 11 mph H 90%29.85 inHg

5:00 AM

Moderate rain

58° 💧 None 💨 13 mph H 89%29.80 inHg

8:00 AM

Moderate rain

56° 💧 None 💨 15 mph H 90%29.80 inHg

11:00 AM

Moderate rain

58° 💧 None 💨 16 mph H 87%29.77 inHg

2:00 PM

Light rain

59° 💧 None 💨 15 mph H 84%29.74 inHg

5:00 PM

Light rain

58° 💧 None 💨 14 mph H 83%29.71 inHg

8:00 PM

Light rain

57° 💧 None 💨 13 mph H 81%29.74 inHg

11:00 PM

Overcast night

56° 💧 None 💨 15 mph H 81%29.71 inHg

Monday

2:00 AM

Light rain

57° 💧 None 💨 14 mph H 82%29.74 inHg

5:00 AM

Overcast night

57° 💧 None 💨 14 mph H 81%29.74 inHg

8:00 AM

Overcast

58° 💧 None 💨 11 mph H 79%29.80 inHg

11:00 AM

Overcast

62° 💧 None 💨 9 mph H 71%29.83 inHg

2:00 PM

Overcast

65° 💧 None 💨 7 mph H 69%29.83 inHg

5:00 PM

Partly cloudy

66° 💧 None 💨 7 mph H 68%29.83 inHg

8:00 PM

Mostly cloudy night

63° 💧 None 💨 5 mph H 81%29.85 inHg

Tuesday

2:00 AM

Mostly clear night

59° 💧 None 💨 6 mph H 84%29.91 inHg

8:00 AM

Mostly sunny

58° 💧 None 💨 5 mph H 86%29.97 inHg

2:00 PM

Overcast

66° 💧 None 💨 7 mph H 74%29.97 inHg

8:00 PM

Clear night

64° 💧 None 💨 4 mph H 82%30.00 inHg

Wednesday

2:00 AM

Clear night

59° 💧 None 💨 4 mph H 87%30.06 inHg

8:00 AM

Sunny

58° 💧 None 💨 2 mph H 93%30.09 inHg

2:00 PM

Partly cloudy

66° 💧 None 💨 4 mph H 84%30.09 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 7 mph H 85%30.09 inHg

Thursday

2:00 AM

Clear night

65° 💧 None 💨 4 mph H 91%30.06 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 6 mph H 92%30.06 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 11 mph H 75%30.03 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 12 mph H 82%29.97 inHg

Friday

2:00 AM

Overcast night

69° 💧 None 💨 12 mph H 88%29.91 inHg

8:00 AM

Very heavy rain

68° 💧 None 💨 12 mph H 96%29.85 inHg

2:00 PM

Very heavy rain

69° 💧 None 💨 11 mph H 95%29.77 inHg

8:00 PM

Overcast night

67° 💧 None 💨 6 mph H 99%29.74 inHg

Saturday

2:00 AM

Clear night

61° 💧 None 💨 12 mph H 87%29.80 inHg

8:00 AM

Sunny

58° 💧 None 💨 8 mph H 75%29.94 inHg

2:00 PM

Sunny

67° 💧 None 💨 9 mph H 50%29.97 inHg

8:00 PM

Clear night

60° 💧 None 💨 8 mph H 60%30.06 inHg

Sunday

2:00 AM

Clear night

53° 💧 None 💨 7 mph H 73%30.18 inHg

8:00 AM

Sunny

51° 💧 None 💨 6 mph H 83%30.27 inHg

2:00 PM

Overcast

61° 💧 None 💨 4 mph H 45%30.24 inHg

8:00 PM

Mostly clear night

58° 💧 None 💨 1 mph H 61%30.24 inHg

Monday

2:00 AM

Mostly cloudy night

52° 💧 None 💨 6 mph H 84%30.24 inHg

8:00 AM

Mostly sunny

51° 💧 None 💨 4 mph H 89%30.24 inHg

2:00 PM

Mostly cloudy

62° 💧 None 💨 8 mph H 54%30.21 inHg

8:00 PM

Clear night

61° 💧 None 💨 3 mph H 68%30.18 inHg

Tuesday

2:00 AM

Partly cloudy night

58° 💧 None 💨 8 mph H 85%30.15 inHg

8:00 AM

Sunny

56° 💧 None 💨 7 mph H 83%30.12 inHg

2:00 PM

Sunny

66° 💧 None 💨 13 mph H 65%30.03 inHg

8:00 PM

Clear night

64° 💧 None 💨 13 mph H 84%29.91 inHg

Wednesday

2:00 AM

Mostly cloudy night

63° 💧 None 💨 14 mph H 82%29.80 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 11 mph H 84%29.74 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 8 mph H 79%29.65 inHg

8:00 PM

Clear night

61° 💧 None 💨 7 mph H 58%29.68 inHg

In Derby and, more broadly, across the state of Connecticut: This morning will begin with mostly cloudy skies and mild temperatures ranging from 56 to 66 degrees Fahrenheit. Winds from the northeast will be moderate, reaching up to 11 mph with gusts up to 26 mph. As the day progresses, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady throughout the afternoon, maintaining the mild conditions. The wind may continue to be noticeable but should not cause significant disruptions. Overall, it will be a calm and mild day with mostly cloudy skies and no weather hazards to concern.

15-Day Weather Outlook for Derby

TomorrowTomorrow

Partly cloudy 65°/48° 💧 None 💨 11 mph

Friday, Sep 25Fri Sep 25

Overcast 70°/52° 💧 None 💨 12 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 62°/56° 💧 0.706 in 💨 23 mph

Sunday, Sep 27Sun Sep 27

Very heavy rain 63°/56° 💧 0.690 in 💨 26 mph

Monday, Sep 28Mon Sep 28

Overcast 69°/60° 💧 0.280 in 💨 12 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 69°/61° 💧 0.001 in 💨 9 mph

Wednesday, Sep 30Wed Sep 30

Overcast 67°/64° 💧 0.017 in 💨 8 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 65°/60° 💧 0.001 in 💨 7 mph

Friday, Oct 2Fri Oct 2

Overcast 65°/59° 💧 0.001 in 💨 5 mph

Saturday, Oct 3Sat Oct 3

Overcast 68°/62° 💧 None 💨 7 mph

Sunday, Oct 4Sun Oct 4

Moderate rain 70°/66° 💧 0.065 in 💨 12 mph

Monday, Oct 5Mon Oct 5

Light rain 70°/64° 💧 0.743 in 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Light rain 65°/57° 💧 0.017 in 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Mostly sunny 59°/56° 💧 0.089 in 💨 11 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

Good

Nearest forecast value 6:00 AM

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 5,1µg/m³

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

O₃ Ozone Good 57,2µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/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 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 5,0Moderate 😊Good

Tomorrow UV 5,3Moderate 🙂Fair

Friday UV 4,0Moderate 😐Moderate

Saturday UV 2,3Low 😐Moderate

Sunday UV 4,0Moderate 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Derby

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · DERBY, CONNECTICUT

Tonight's Stargazing & Shooting Stars

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

98/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:20 PM–5:09 AM

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

☾ Moonlight 94% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 61° 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 min72%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 5:41 AM. The current forecast period extends through 25/09/2026 at 3:00 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.