Weather forecast for todayBoulder, CO

Weather forecast for today

Current condition 4:47 am MDT

  • 37°F
  • Feels like:
    37°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 0mphWSW 250°
  • Humidity: 62%
  • Dewpoint: 27°F
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Boulder, currently, the weather remains fair, with minimal cloud cover in sight.
The temperature is a cold 37.4°F. The current temperature is far from the maximum of 75.2°F forecasted for today.

Saturday Oct 17, 2026

  • 75°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSE 153°
  • Humidity: 34%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
Today, in Boulder, sunny conditions are expected to continue.
A wide temperature range is predicted, from a high of a warm 75.2°F to a low of a frosty 46.4°F.
Today, the forecasted high will be higher and much closer to September's average high of 72.3°F than October's 57.2°F.
Sunrise will be at 7:14 am and sunset at 6:18 pm; the daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 75°C.
Coldest hour: 5 am 39°C.

Chance of precipitation

Highest chance: 9 pm 1%.

Hourly weather forecast

  • 6 am
  • 39°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 256°
  • Humidity: 53%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:14 am
  • 8 am
  • 45°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 258°
  • Humidity: 44%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphW 278°
  • Humidity: 30%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 85°
  • Humidity: 22%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphE 90°
  • Humidity: 17%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 54°
  • Humidity: 16%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNW 319°
  • Humidity: 21%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphW 263°
  • Humidity: 29%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphW 260°
  • Humidity: 32%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Boulder, bright and mostly sunny weather is expected.
The temperature will be between a minimum of 39.2°F and a maximum of 75.2°F. The warmest part of the day is anticipated around 3 pm.
The forecasted maximum is more alike with September's typical high of 72.3°F than the average for October. The lowest temperature is also expected to be more alike with September's minimum average of 47.8°F than October's 35.2°F.
Updated: Oct 17, 2026 @ 10:47:51 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (4:47 am MDT) it is 37.4°F in Boulder.

On Saturday, sunny and dry conditions are anticipated.

Today, the maximum temperature will be 75.2°F, while the minimum temperature will be 46.4°F.
The highest temperature today will be noticeably higher than the average maximum of 57.2°F in October. Today, the lowest temperature will be also significantly higher than the average low of 35.2°F.

On Saturday, in Boulder, sunrise will be at 7:14 am and sunset at 6:18 pm (MDT).

In Boulder, today, there will be 11h and 5min of daylight.