21.3 °C
Feels like 16.9 °C
Min 5 °C / Max 22 °C
Sunny
Today's Summary
In Boulder the weather today is sunny. The thermometer currently shows 21.3°C. With wind from the east, it feels noticeably colder, around 16.9°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 4.7°C and 22.2°C.
Hourly forecast – Boulder, today
Oct 17, 12:00
22 °C
Sunny
Oct 17, 13:00
22 °C
Sunny
Oct 17, 14:00
22 °C
Sunny
Oct 17, 15:00
20 °C
Sunny
Oct 17, 16:00
13 °C
Sunny
Oct 17, 17:00
12 °C
Clear
Oct 17, 18:00
11 °C
Clear
Oct 17, 19:00
11 °C
Clear
Oct 17, 20:00
11 °C
Clear
Oct 17, 21:00
10 °C
Clear
Oct 17, 22:00
10 °C
Clear
Oct 17, 23:00
10 °C
Clear
Oct 18, 00:00
9 °C
Clear
Oct 18, 01:00
9 °C
Clear
Oct 18, 02:00
9 °C
Clear
Oct 18, 03:00
9 °C
Clear
Oct 18, 04:00
8 °C
Clear
Oct 18, 05:00
8 °C
Clear
Oct 18, 06:00
9 °C
Sunny
Oct 18, 07:00
14 °C
Sunny
Oct 18, 08:00
19 °C
Sunny
Oct 18, 09:00
20 °C
Sunny
Oct 18, 10:00
21 °C
Sunny
Oct 18, 11:00
21 °C
Partly cloudy
Time
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
2
Precipitation
Wind (km/h)
E
10
10
ESE
9
9
ESE
8
8
ESE
4
4
W
5
5
W
13
13
W
15
15
W
16
16
WSW
16
16
WSW
17
17
WSW
17
17
W
17
17
W
17
17
W
17
17
W
16
16
W
16
16
W
16
16
W
16
16
W
14
14
W
8
8
NE
2
2
E
8
8
E
10
10
E
10
10
Pressure (hPa)
1017
1016
1016
1016
1016
1017
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1016
1015
1014
1014
1014
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 -1.2°C at night, with daytime highs up to 22.6°C.
Date
Oct 17
Oct 18
Oct 19
Oct 20
Oct 21
Oct 22
Oct 23
Oct 24
Oct 25
Oct 26
Oct 27
Oct 28
Oct 29
Oct 30
Temperature (°C)
Chance of rain (%)
0
2
4
3
5
8
36
3
3
7
2
6
6
57
Precipitation
Wind max (km/h)
17
17
14
14
16
11
40
27
10
12
16
19
14
38
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| October 17, 2026 |
Sunny
|
5 °C | 22 °C | 07:13 | 18:19 | 14:19 | 23:36 | First Quarter (47 %) |
| October 18, 2026 |
Sunny
|
8 °C | 22 °C | 07:14 | 18:17 | 14:52 | Does not set today | First Quarter (58 %) |
| October 19, 2026 |
Overcast
|
6 °C | 19 °C | 07:15 | 18:16 | 15:19 | 00:38 | First Quarter (68 %) |
| October 20, 2026 |
Sunny
|
7 °C | 21 °C | 07:16 | 18:14 | 15:43 | 01:40 | Waxing Moon (77 %) |
| October 21, 2026 |
Overcast
|
9 °C | 23 °C | 07:18 | 18:13 | 16:05 | 02:41 | Waxing Moon (86 %) |
| October 22, 2026 |
Overcast
|
10 °C | 21 °C | 07:19 | 18:11 | 16:26 | 03:42 | Waxing Moon (92 %) |
| October 23, 2026 |
Overcast
|
7 °C | 21 °C | 07:20 | 18:10 | 16:46 | 04:43 | Full Moon (97 %) |
| October 24, 2026 |
Sunny
|
6 °C | 17 °C | 07:21 | 18:09 | 17:08 | 05:46 | Full Moon (100 %) |
| October 25, 2026 |
Sunny
|
3 °C | 17 °C | 07:22 | 18:07 | 17:33 | 06:51 | Full Moon (100 %) |
| October 26, 2026 |
Overcast
|
7 °C | 20 °C | 07:23 | 18:06 | 18:03 | 07:59 | Full Moon (98 %) |
| October 27, 2026 |
Sunny
|
5 °C | 21 °C | 07:24 | 18:05 | 18:39 | 09:10 | Waning Moon (94 %) |
| October 28, 2026 |
Overcast
|
5 °C | 18 °C | 07:25 | 18:03 | 19:25 | 10:20 | Waning Moon (88 %) |
| October 29, 2026 |
Overcast
|
4 °C | 17 °C | 07:26 | 18:02 | 20:21 | 11:28 | Waning Moon (80 %) |
| October 30, 2026 |
Sunny
|
-1 °C | 9 °C | 07:27 | 18:01 | 21:27 | 12:27 | Waning Moon (71 %) |