Boulder Weather Conditions
Current Temperature Level
20 °C
22 AQI
Air quality index is: Good
Last Updated: 2025-10-21 15:45 (Local Time)
MapBoulder
Boulder Weather Parameters
9 km/h
4 m/s
2° N
0 %
16 km
0 mm
1020 mb
UV Index3
Suggestions for
TodayBoulder21 Oct.
Umbrella• Optional
Clothing• More Layered
Driving• Enjoy Driving
Sunscreen• ApplyBoulder 10-Days Weather Forecast
Today
2°C
63 %Wednesday
5°C45 %Thursday
6°C54 %Friday
6°C51 %Saturday
7°C41 %Sunday
4°C61 %Monday
-4°C64 %Tuesday
-2°C82 %Wednesday
2°C79 %Thursday
5°C62 %Sunny
Clear Sky with temperature at 2 °C and humidity will be at 63% with 11.5 km/h winds.10°C / -3°C
Humi.63 %
Prec.0 mm
Sunrise
07:40 AM10hrs 46min
Sunset
06:26 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
-2 °C
91 %
0
8.6 kmph / NNW
Clear 
Feels -7 °C
Cover 21 %
Visibility 10 km
1 AM
Clear
-3 °C
93 %
0
7.9 kmph / NNW
Clear Feels -7.1 °C
Cover 25 %
Visibility 10 km
2 AM
Partly Cloudy
-3 °C
92 %
0
7.6 kmph / NNW
Partly Cloudy Feels -7.3 °C
Cover 35 %
Visibility 10 km
3 AM
Clear
-3 °C
73 %
0
7.6 kmph / NW
Clear Feels -7.3 °C
Cover 0 %
Visibility 10 km
4 AM
Clear
-3 °C
75 %
0
7.2 kmph / NW
Clear Feels -7.4 °C
Cover 0 %
Visibility 10 km
5 AM
Clear
-3 °C
77 %
0
7.2 kmph / NNW
Clear Feels -7.2 °C
Cover 0 %
Visibility 10 km
6 AM
Clear
-3 °C
79 %
0
7.6 kmph / NNW
Clear Feels -6.7 °C
Cover 0 %
Visibility 10 km
7 AM
Clear
-3 °C
78 %
0
6.8 kmph / NW
Clear Feels -5.9 °C
Cover 0 %
Visibility 10 km
8 AM
Sunny
-1 °C
75 %
0
5.8 kmph / WNW
SunnyFeels -3.1 °C
Cover 0 %
Visibility 10 km
9 AM
Sunny
1 °C
64 %
0.3
4.7 kmph / WNW
SunnyFeels -0.8 °C
Cover 0 %
Visibility 10 km
10 AM
Sunny
4 °C
55 %
1.1
6.8 kmph / W
SunnyFeels 1.6 °C
Cover 0 %
Visibility 10 km
11 AM
Sunny
6 °C
51 %
2.2
7.6 kmph / W
SunnyFeels 3.5 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
7 °C
49 %
3.3
7.6 kmph / W
SunnyFeels 5 °C
Cover 0 %
Visibility 10 km
1 PM
Sunny
8 °C
46 %
3.9
8.6 kmph / WNW
SunnyFeels 6 °C
Cover 0 %
Visibility 10 km
2 PM
Sunny
9 °C
44 %
3.8
10.4 kmph / W
SunnyFeels 7.1 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
10 °C
42 %
3
11.5 kmph / W
SunnyFeels 7.7 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
12 °C
17 %
1.8
11.5 kmph / W
SunnyFeels 8 °C
Cover 0 %
Visibility 16 km
5 PM
Sunny
9 °C
42 %
0.7
11.2 kmph / W
SunnyFeels 7.2 °C
Cover 0 %
Visibility 10 km
6 PM
Sunny
7 °C
49 %
0.2
7.9 kmph / WSW
SunnyFeels 5.3 °C
Cover 0 %
Visibility 10 km
7 PM
Clear
4 °C
53 %
0
4.7 kmph / WNW
Clear Feels 2.2 °C
Cover 0 %
Visibility 10 km
8 PM
Clear
2 °C
58 %
0
4.7 kmph / NNW
Clear Feels 0 °C
Cover 0 %
Visibility 10 km
9 PM
Clear
1 °C
61 %
0
6.5 kmph / NNW
Clear Feels -1.5 °C
Cover 0 %
Visibility 10 km
10 PM
Clear
1 °C
62 %
0
5.8 kmph / NNW
Clear Feels -2.4 °C
Cover 0 %
Visibility 10 km
11 PM
Clear
0 °C
60 %
0
6.1 kmph / NNW
Clear Feels -2.9 °C
Cover 0 %
Visibility 10 km
Today
2°C63 %Wednesday
5°C45 %Thursday
6°C54 %Friday
6°C51 %Saturday
7°C41 %Sunday
4°C61 %Monday
-4°C64 %Tuesday
-2°C82 %Wednesday
2°C79 %Thursday
5°C62 %Temp9 °C
ConditionSunny
Humidity42 %
Feels7.2 °C
Cover0 %
Visibility10 km
Wind Speed & Dir.11.2 kmph / W
UV0.7
Boulder 30-Days (October 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Wed.
26°15 °C
2Thu.
26°12 °C
3Fri.
29°12 °C
4Sat.
26°12 °C
5Sun.
17°8 °C
6Mon.
9°4 °C
7Tue.
15°5 °C
8Wed.
26°10 °C
9Thu.
26°9 °C
10Fri.
18°11 °C
11Sat.
19°11 °C
12Sun.
21°10 °C
13Mon.
14°4 °C
14Tue.
19°3 °C
15Wed.
22°8 °C
16Thu.
21°7 °C
17Fri.
19°6 °C
18Sat.
16°6 °C
19Sun.
25°6 °C
20Mon.
16°6 °C
21Today
18°5 °C
22Wed.
20°2 °C
23Thu.
14°8 °C
24Fri.
16°7 °C
25Sat.
21°6 °C
26Sun.
18°10 °C
27Mon.
6°0 °C
28Tue.
12°0 °C
29Wed.
16°4 °C
30Thu.
21°8 °C
31Fri.
18°10 °C
OctoberWeather Overview
No. of days:
Sunny
18
Cloudy
5
Rainy
6
Snowy
0
The monthly weather averages in Boulder consist of 18 sunny days, 5 cloudy days, 6 rainy days, and 0 snowy days.
Boulder's Locations Weather Conditions
United States's Hottest Cities - October 2025
1.
Tucson, United States
Sunny
7%
3.1
3.6 kmph / W
2.
Mission, United States
Sunny
38%
1.9
13 kmph / ESE
3.
Flowing Wells, United States
Sunny
8%
5
3.6 kmph / SSW
4.
Edinburg, United States
Sunny
38%
1.9
13.7 kmph / SE
5.
Victoria, United States
Sunny
37%
3.3
10.8 kmph / SE
6.
Harlingen, United States
Partly cloudy
37%
3.9
16.9 kmph / SE
7.
Laredo, United States
Sunny
36%
2
10.4 kmph / ENE
8.
Brownsville, United States
Sunny
45%
4
20.2 kmph / SE
9.
Yuma, United States
Sunny
12%
3
3.6 kmph / NNE
10.
Mecca, United States
Sunny
15%
3.3
10.1 kmph / SE
Last Updated: 21 Oct 2025, 10:08 PM
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