19.3 °C
Feels like 15.5 °C
Min 16 °C / Max 28 °C
Partly cloudy
Today's Summary
Right now Boulder has partly cloudy weather. The thermometer currently shows 19.3°C. With wind from the west-north-west, it feels noticeably colder, around 15.5°C. Pack a light jacket for the evening. During the day temperatures will range between 15.5°C and 27.5°C.
Hourly forecast – Boulder, today
Sep 1, 22:00
18 °C
Clear
Sep 1, 23:00
18 °C
Clear
Sep 2, 00:00
18 °C
Clear
Sep 2, 01:00
18 °C
Clear
Sep 2, 02:00
17 °C
Clear
Sep 2, 03:00
16 °C
Clear
Sep 2, 04:00
16 °C
Clear
Sep 2, 05:00
16 °C
Sunny
Sep 2, 06:00
20 °C
Sunny
Sep 2, 07:00
23 °C
Sunny
Sep 2, 08:00
25 °C
Sunny
Sep 2, 09:00
26 °C
Sunny
Sep 2, 10:00
27 °C
Partly cloudy
Sep 2, 11:00
28 °C
Cloudy
Sep 2, 12:00
29 °C
Overcast
Sep 2, 13:00
28 °C
Sunny
Sep 2, 14:00
28 °C
Patchy rain possible
Sep 2, 15:00
27 °C
Patchy rain possible
Sep 2, 16:00
26 °C
Sunny
Sep 2, 17:00
23 °C
Light drizzle
Sep 2, 18:00
22 °C
Clear
Sep 2, 19:00
20 °C
Patchy rain possible
Sep 2, 20:00
18 °C
Patchy rain possible
Sep 2, 21:00
17 °C
Clear
Time
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Temperature (°C)
Chance of rain (%)
1
1
1
1
1
1
1
1
1
0
0
1
3
7
9
1
6
5
1
22
1
9
8
2
Precipitation
Wind (km/h)
W
14
14
W
14
14
W
14
14
W
14
14
W
14
14
WSW
14
14
WSW
14
14
WSW
14
14
WSW
9
9
S
6
6
SE
11
11
SE
17
17
SE
22
22
SE
22
22
ESE
18
18
SE
13
13
NE
10
10
N
21
21
NNW
13
13
WNW
8
8
WSW
14
14
WSW
13
13
W
14
14
W
14
14
Pressure (hPa)
1013
1013
1013
1013
1013
1014
1014
1015
1014
1014
1013
1012
1011
1010
1009
1009
1008
1008
1008
1008
1010
1012
1013
1013
Humidity (%)
Cloud cover (%)
14-day weather forecast – Boulder
14-day trend for Boulder: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 8.2°C at night, with daytime highs up to 31.5°C.
Date
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Temperature (°C)
Chance of rain (%)
17
17
17
36
9
36
7
36
36
38
1
36
17
1
Precipitation
Wind max (km/h)
19
22
19
31
18
22
17
23
17
35
18
17
17
14
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| September 1, 2026 |
Overcast
|
16 °C | 28 °C | 06:28 | 19:33 | 21:27 | 11:12 | Waning Moon (70 %) |
| September 2, 2026 |
Sunny
|
16 °C | 29 °C | 06:29 | 19:31 | 21:59 | 12:20 | Last Quarter (60 %) |
| September 3, 2026 |
Sunny
|
16 °C | 31 °C | 06:30 | 19:30 | 22:40 | 13:30 | Last Quarter (50 %) |
| September 4, 2026 |
Sunny
|
17 °C | 32 °C | 06:31 | 19:28 | 23:32 | 14:39 | Last Quarter (39 %) |
| September 5, 2026 |
Overcast
|
18 °C | 29 °C | 06:32 | 19:26 | Does not rise today | 15:42 | Waning Crescent (29 %) |
| September 6, 2026 |
Overcast
|
19 °C | 29 °C | 06:33 | 19:25 | 00:35 | 16:37 | Waning Crescent (20 %) |
| September 7, 2026 |
Overcast
|
18 °C | 28 °C | 06:34 | 19:23 | 01:49 | 17:22 | Waning Crescent (12 %) |
| September 8, 2026 |
Sunny
|
16 °C | 30 °C | 06:35 | 19:21 | 03:07 | 17:59 | Waning Crescent (6 %) |
| September 9, 2026 |
Overcast
|
13 °C | 26 °C | 06:36 | 19:20 | 04:27 | 18:30 | New Moon (2 %) |
| September 10, 2026 |
Overcast
|
11 °C | 26 °C | 06:37 | 19:18 | 05:46 | 18:57 | New Moon (0 %) |
| September 11, 2026 |
Sunny
|
8 °C | 27 °C | 06:38 | 19:17 | 07:03 | 19:23 | New Moon (0 %) |
| September 12, 2026 |
Sunny
|
8 °C | 20 °C | 06:39 | 19:15 | 08:17 | 19:48 | New Moon (3 %) |
| September 13, 2026 |
Sunny
|
9 °C | 21 °C | 06:40 | 19:13 | 09:31 | 20:15 | Waxing Crescent (8 %) |
| September 14, 2026 |
Sunny
|
9 °C | 25 °C | 06:41 | 19:12 | 10:44 | 20:45 | Waxing Crescent (14 %) |