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Current Weather and Forecast in Boulder, CO

Colorado, United States 🇺🇸 · Local time 21:17
61°
Clear Feels like 52° · High 87° / Low 55°
Wind
10 mph
Humidity
35%
UV index
0 Low
Updated just now

Boulder hourly forecast: next 24 hours

Today's high of 87°F (30°C) is about 24°F (13°C) above the typical October high of 63°F (17°C).

Now
10 PM
11 PM
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
6 AM
7 AM
7:02 AM
Sunrise
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
2 PM
3 PM
4 PM
5 PM
6 PM
6:35 PM
Sunset
7 PM
8 PM

Full Boulder hourly forecast →

Current conditions in detail

Feels like
52°
Heat index / wind chill adjusted
Wind
10 mph
WSW · gusts 22 mph
Humidity
35%
Dew point 34°
Pressure
30.01 in
What pressure readings mean
Visibility
6 mi
Precipitation
0.0 in
57% chance today

Boulder weather tomorrow (Tuesday, October 6)

Tomorrow in Boulder looks overcast, with a high of 84° and an overnight low of 58°. Rain is unlikely (6% chance). Winds top out near 12 mph, and the UV index reaches 6 (moderate).

High / Low
84° / 58°
Precipitation
6%
Sunrise / sunset
07:02 AM / 06:35 PM

See the full Boulder 14-day forecast →

Boulder 14-day forecast

Today
Sunny
High 87° Low 55°
Chance of precipitation: 57%
Tue, Oct 6 Tuesday
Overcast
High 84° Low 58°
Chance of precipitation: 6%
Wed, Oct 7 Wednesday
Sunny
High 80° Low 56°
Chance of precipitation: 3%
Thu, Oct 8 Thursday
Sunny
High 82° Low 53°
Chance of precipitation: 17%
Fri, Oct 9 Friday
Sunny
High 79° Low 52°
Chance of precipitation: 57%
Sat, Oct 10 Saturday
Sunny
High 80° Low 52°
Chance of precipitation: 36%
Sun, Oct 11 Sunday
Sunny
High 76° Low 52°
Chance of precipitation: 6%
Mon, Oct 12 Monday
Overcast
High 67° Low 47°
Chance of precipitation: 14%
Tue, Oct 13 Tuesday
Overcast
High 68° Low 45°
Chance of precipitation: 72%
Wed, Oct 14 Wednesday
Moderate rain
High 47° Low 39°
Chance of precipitation: 94%
Thu, Oct 15 Thursday
Patchy rain nearby
High 53° Low 40°
Chance of precipitation: 74%
Fri, Oct 16 Friday
Sunny
High 52° Low 38°
Chance of precipitation: 17%
Sat, Oct 17 Saturday
Sunny
High 60° Low 38°
Chance of precipitation: 6%
Sun, Oct 18 Sunday
Sunny
High 67° Low 43°
Chance of precipitation: 3%

About the weather in Boulder

Boulder has a humid subtropical climate. July is the warmest month, with average highs of 85°, and January the coldest, when nights fall to around 17°. May brings the most rain, on about 15 days, while July is the sunniest, with 13.1 hours of sunshine a day. Over a whole year it rains on roughly 94 days.

Boulder climate guide: monthly averages, seasons and the best time to visit

Common questions

Does it snow in Boulder?
Yes - about 34 days a year carry measurable snowfall, concentrated October through May.
What is the rainiest month in Boulder?
May, at 4.6 inches (116 mm) over about 15 days. December is the driest month, at 22 mm (0.9 in).
What is the coldest month in Boulder?
January, with highs of 38°F (3°C) and lows near 17°F (-8°C). The coldest day in the 2015-2024 record fell to -24°F (-31°C).
Does it rain a lot in Boulder?
20.6 inches (524 mm) a year across 94 wet days - less than 82% of the cities we cover.
What is the best time to visit Boulder?
The best time to visit Boulder is generally August to October and June, when these are the warmest and brightest weeks of the year. Daytime temperatures in that window sit near 76°F (24°C), with rain on about 7 days a month. For the same question asked the other way round, see where else is warm in August.
Which month is warmest in Boulder?
July, averaging 85°F (30°C) by day and 59°F (15°C) overnight. The hottest single day in our 2015-2024 record for this location reached 98°F (37°C).