NimbocastBoulder, CO Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Boulder, Boulder County, Colorado.
Updated Jul 29, 2026, 3:03 PM local time · Radar refreshes every 5 minutes
🌦️
Boulder
83°F
Wind 24 mph
Humidity 37%
Cloud cover 100%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Boulder, CO.
Boulder weather radar
Light
Heavy
Next 24 hours
Now
🌦️
83°F
48%
4 PM
🌦️
87°F
32%
5 PM
☁️
84°F
31%
6 PM
🌦️
82°F
22%
7 PM
☁️
79°F
17%
8 PM
🌦️
72°F
16%
9 PM
☁️
70°F
9%
10 PM
⛅
70°F
4%
11 PM
⛅
68°F
2%
12 AM
☀️
68°F
1%
1 AM
☀️
67°F
1%
2 AM
☀️
67°F
1%
3 AM
☀️
66°F
3%
4 AM
☀️
65°F
1%
5 AM
🌦️
67°F
1%
6 AM
🌦️
66°F
3%
7 AM
☀️
69°F
1%
8 AM
☀️
79°F
1%
9 AM
☁️
80°F
1%
10 AM
☀️
87°F
11 AM
☀️
91°F
1%
12 PM
🌤️
93°F
1%
1 PM
☁️
94°F
2%
2 PM
🌤️
95°F
7%
7-day forecast
Today
Jul 29
🌦️
91°F
66°F
48%
Thu
Jul 30
🌦️
95°F
65°F
24%
Fri
Jul 31
🌧️
92°F
63°F
41%
Sat
Aug 1
🌧️
88°F
64°F
41%
Sun
Aug 2
☁️
98°F
67°F
2%
Mon
Aug 3
🌦️
103°F
72°F
13%
Tue
Aug 4
🌦️
86°F
63°F
31%
Weather near Boulder
8 mi
Louisville, CO10 mi
Lafayette, CO12 mi
Broomfield, CO12 mi
Erie, CO14 mi
Longmont, CO17 mi
Westminster, CO17 mi
Northglenn, CO18 mi
Arvada, CO
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.