Boulder Weather Today — Colorado, United States
Current temperature, rain chance, humidity, wind and air quality in Boulder, plus an hourly and 3-day forecast. Updated through the day.
23:36
Fri, 18 Sep 2026
📍 Colorado, United States
Boulder??
15
°C
Light rain shower
Feels 13°C · 59°F
💧 66% Humidity
💨 ← 10.4 km/h WSW
👁 10 km Visibility
🌧 0.25 mm Precip
☁ 62% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1016
hPa · 30 in
💨 Wind
10.4
km/h · Gust 28.4 km/h
← WSW
💧 Humidity
66%
Dew point 8.8°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
14.9°
Wind chill 14.5°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:45 AM
🌇
Sunset
07:05 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Overcast
26°
/
15°
💧55%
🌧4.06mm
💨12
☀️UV 5.8
Saturday
19 Sep 2026
Sunny
25°
/
12°
💧61%
🌧5.8mm
💨21
☀️UV 6
Sunday
20 Sep 2026
Patchy rain nearby
21°
/
10°
💧62%
🌧2.51mm
💨17
☀️UV 6.5
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