Weather forecast for tomorrowJefferson, CO

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 59°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 88°
  • Humidity: 27%
  • UV index: 5
  • Sunrise: 7:16 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
Tomorrow, sunshine will dominate, with only occasional cloud cover.
The highest temperature will be a moderate 59°F, while the lowest temperature will be a wintry 39.2°F.
Tomorrow, the temperature will be higher and more consistent with September's typical high of 57.6°F than with October's 43.3°F.
Sunrise will be at 7:16 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 57°C.
Coldest period: 3 am - 6 am 39°C.

Chance of precipitation

Highest chance: 12 am - 9 pm 0%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNNW 334°
  • Humidity: 41%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNW 318°
  • Humidity: 43%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNW 305°
  • Humidity: 42%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    32°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphWNW 297°
  • Humidity: 41%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:16 am
  • 8 am
  • 39°F
  • Feels like:
    34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNW 326°
  • Humidity: 39%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNW 335°
  • Humidity: 28%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 105°
  • Humidity: 21%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSE 146°
  • Humidity: 18%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 21%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphE 91°
  • Humidity: 32%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:20 pm
  • 8 pm
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNE 55°
  • Humidity: 41%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 49°
  • Humidity: 43%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of gloomy and clear weather is anticipated.
The temperature will vary between a minimum of 37.4°F and a maximum of 57.2°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, the forecasted maximum will be more close to September's average high of 57.6°F than October's 43.3°F. Tomorrow, the forecasted low is also more similar to September's minimum of 33.4°F than the average in October.
Updated: Oct 18, 2026 @ 00:45:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, a glowing sky and minimal clouds are expected.

Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 39.2°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 43.3°F in October. The lowest temperature will be also noticeably higher than the average low of 22.3°F.

On Sunday, in Jefferson, sunrise will be at 7:16 am and sunset at 6:20 pm (MDT).

In Jefferson, the length of the day tomorrow will be 11h and 4min.