Weather forecast for tomorrowDerby, CO

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 75°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphESE 103°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:13 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
Tomorrow, in Derby, thin clouds will pass through at times, but overall, it will remain bright.
The temperature will peak at a temperate 75.2°F during the day, dropping to a low of a chilly 42.8°F at night.
A forecast high of 75.2°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:13 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 46°C.

Chance of precipitation

Highest chance: 12 am - 6 am 1%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 211°
  • Humidity: 42%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 203°
  • Humidity: 48%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 207°
  • Humidity: 51%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 46°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 49%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:13 am
  • 8 am
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSSW 196°
  • Humidity: 47%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSW 192°
  • Humidity: 28%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 70°
  • Humidity: 17%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 68°
  • Humidity: 13%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 74°
  • Humidity: 12%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 67°
  • Humidity: 17%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphE 89°
  • Humidity: 28%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 7°
  • Humidity: 38%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily dull and occasionally clear weather is forecasted.
The temperature will be between the lowest temperature of 46.4°F and the highest temperature of 75.2°F. The warmest part of the day is expected around 3 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 63.3°F. Tomorrow, the minimum temperature will be in line with the average low for October.
Updated: Oct 17, 2026 @ 23:55:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Derby, the sky will feature a blend of clouds and sunshine.

Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 42.8°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 63.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.

On Sunday, in Derby, sunrise will be at 7:13 am and sunset at 6:16 pm (MDT).

Tomorrow, the daylight will last for 11h and 2min.