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Weather in Boulder, United States 🇺🇸

Current Weather in Boulder

Fire Weather Watch issued June 23 at 12:12AM MDT until June 24 at 6:00PM MDT by NWS Denver CO
Sunny
25°C
Feels like 24°C. Sunny.
🌬️ 17 km/h E
💧 39% Humidity
🧭 1024 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 10.4
🌡️ Dew Point: 7°C
🌅 Sunrise: 05:32 AM
🌇 Sunset: 08:33 PM
Map Overlays:

In Boulder right now it is 25°C and sunny, feeling like 24°C. Humidity is 39% with winds around 17 km/h, and the UV index is 10 (very high). Over the next few days, temperatures in Boulder range from about 11°C to 31°C. ⚠️ Fire Weather Watch issued June 23 at 12:12AM MDT until June 24 at 6:00PM MDT by NWS Denver CO

Hourly Forecast for Boulder

14:00
Sunny
29°
1%
15:00
Thundery outbreaks in nearby
28°
2%
16:00
Patchy rain nearby
28°
7%
17:00
Patchy rain nearby
26°
17%
18:00
Patchy light rain in area with thunder
24°
22%
19:00
Patchy rain nearby
22°
19%
20:00
Patchy rain nearby
18°
12%
21:00
Patchy rain nearby
15°
54%
22:00
Light rain shower
16°
61%
23:00
Patchy rain nearby
16°
37%
00:00
Light rain shower
16°
48%
01:00
Patchy rain nearby
16°
30%
02:00
Partly Cloudy
16°
18%
03:00
Partly Cloudy
15°
21%
04:00
Cloudy
14°
25%
05:00
Partly Cloudy
14°
20%
06:00
Cloudy
15°
18%
07:00
Partly Cloudy
16°
13%
08:00
Sunny
18°
8%
09:00
Sunny
20°
4%
10:00
Sunny
22°
3%
11:00
Sunny
25°
1%
12:00
Sunny
28°
1%
13:00
Sunny
29°
0%

14-Day Forecast for Boulder

Tue, Jun 23
Patchy rain nearby Patchy rain nearby
30° / 12°
Wed, Jun 24
Patchy rain nearby Patchy rain nearby
31° / 13°
Thu, Jun 25
Patchy rain nearby Patchy rain nearby
29° / 11°
Fri, Jun 26
Patchy rain nearby Patchy rain nearby
34° / 12°
Sat, Jun 27
Sunny Sunny
36° / 16°
Sun, Jun 28
Sunny Sunny
34° / 14°
Mon, Jun 29
Sunny Sunny
32° / 12°
Tue, Jun 30
Sunny Sunny
34° / 13°
Wed, Jul 01
Sunny Sunny
34° / 16°
Thu, Jul 02
Sunny Sunny
35° / 16°
Fri, Jul 03
Patchy rain nearby Patchy rain nearby
34° / 16°
Sat, Jul 04
Moderate rain Moderate rain
31° / 15°
Sun, Jul 05
Patchy rain nearby Patchy rain nearby
33° / 14°
Mon, Jul 06
Patchy rain nearby Patchy rain nearby
34° / 16°

Additional Forecasts for Boulder

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 119.0 μg/m³
O₃ (Ozone) 110.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.5 μg/m³
SO₂ (Sulphur Dioxide) 0.5 μg/m³
PM2.5 (Fine particles) 7.4 μg/m³
PM10 (Coarse particles) 8.5 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Boulder Today

The most comfortable window in Boulder today looks like 18:00 to 20:00, when it is around 21°C. It should stay dry through that window. The next likely rain is around 21:00.

Frequently Asked Questions about Weather in Boulder

What is the temperature in Boulder right now?

The current temperature in Boulder is 25°C (77°F), sunny (feels like 24°C).

What's the weather like in Boulder right now?

Conditions in Boulder right now: Sunny, humidity 39%, wind 17 km/h E.

What is today's forecast for Boulder?

Today in Boulder: high 30°C, low 12°C, patchy rain nearby. Chance of rain: 57%.

What is the 7-day weather forecast for Boulder?

Daily highs and lows for Boulder:

  • 2026-06-23: 30°C / 12°C
  • 2026-06-24: 31°C / 13°C
  • 2026-06-25: 29°C / 11°C
  • 2026-06-26: 34°C / 12°C
  • 2026-06-27: 36°C / 16°C
  • 2026-06-28: 34°C / 14°C
  • 2026-06-29: 32°C / 12°C
Is it going to rain in Boulder today?

There is a 57% chance of rain in Boulder today. Total expected precipitation: 2.75 mm.

What is the wind speed in Boulder right now?

Wind in Boulder is currently 17 km/h (11 mph) from the E.

What is the UV index in Boulder right now?

The UV index in Boulder is currently 10.4 (very high). Sun protection is recommended when the index is 3 or higher.

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