Today's Summary
If you head out in Boulder today, you'll see a patchy rain possible sky. The thermometer currently shows 18.5°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 15.7°C and 29.4°C.
Hourly forecast – Boulder, today
Aug 25, 20:00
60 °F
Patchy rain possible
Aug 25, 21:00
61 °F
Partly cloudy
Aug 25, 22:00
62 °F
Patchy rain possible
Aug 25, 23:00
61 °F
Clear
Aug 26, 00:00
60 °F
Clear
Aug 26, 01:00
60 °F
Clear
Aug 26, 02:00
60 °F
Cloudy
Aug 26, 03:00
60 °F
Cloudy
Aug 26, 04:00
59 °F
Clear
Aug 26, 05:00
60 °F
Sunny
Aug 26, 06:00
67 °F
Sunny
Aug 26, 07:00
69 °F
Cloudy
Aug 26, 08:00
71 °F
Sunny
Aug 26, 09:00
74 °F
Overcast
Aug 26, 10:00
76 °F
Sunny
Aug 26, 11:00
80 °F
Sunny
Aug 26, 12:00
82 °F
Thundery outbreaks possible
Aug 26, 13:00
84 °F
Sunny
Aug 26, 14:00
85 °F
Partly cloudy
Aug 26, 15:00
83 °F
Light rain shower
Aug 26, 16:00
70 °F
Patchy rain possible
Aug 26, 17:00
68 °F
Patchy rain possible
Aug 26, 18:00
63 °F
Partly cloudy
Aug 26, 19:00
63 °F
Patchy rain possible
Time
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
Temperature (°F)
Chance of rain (%)
19
6
16
5
6
6
12
12
5
4
2
8
2
10
1
1
4
1
2
36
57
36
9
27
Precipitation
Wind (mph)
NW
4
4
WNW
6
6
W
6
6
W
6
6
WSW
4
4
WSW
5
5
WSW
6
6
WSW
6
6
W
5
5
WNW
5
5
N
1
1
ENE
5
5
E
6
6
E
7
7
E
7
7
E
8
8
ENE
6
6
E
6
6
E
11
11
ENE
14
14
NNW
1
1
SSE
9
9
SSW
8
8
WSW
6
6
Pressure (hPa)
1022
1022
1021
1021
1021
1021
1021
1020
1020
1021
1021
1021
1021
1019
1018
1017
1016
1014
1013
1013
1017
1018
1019
1019
Humidity (%)
Cloud cover (%)
14-day weather forecast – Boulder
14-day trend for Boulder: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 6.2°C at night, with daytime highs up to 32.5°C.
Date
Aug 25
Aug 26
Aug 27
Aug 28
Aug 29
Aug 30
Aug 31
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Temperature (°F)
Chance of rain (%)
57
57
17
36
10
25
36
3
36
10
17
36
57
36
Precipitation
Wind max (mph)
14
14
15
17
19
14
12
11
16
17
8
8
11
13
| Date | Weather | Min °F | Max °F | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| August 25, 2026 |
|
60 °F | 85 °F | 06:22 | 19:44 | 18:49 | 03:57 | Full Moon (97 %) |
| August 26, 2026 |
|
59 °F | 85 °F | 06:23 | 19:42 | 19:14 | 04:59 | Full Moon (100 %) |
| August 27, 2026 |
|
59 °F | 88 °F | 06:24 | 19:40 | 19:36 | 06:01 | Full Moon (100 %) |
| August 28, 2026 |
|
65 °F | 90 °F | 06:25 | 19:39 | 19:56 | 07:02 | Full Moon (98 %) |
| August 29, 2026 |
|
65 °F | 90 °F | 06:26 | 19:37 | 20:16 | 08:02 | Waning Moon (94 %) |
| August 30, 2026 |
|
63 °F | 82 °F | 06:27 | 19:36 | 20:37 | 09:04 | Waning Moon (87 %) |
| August 31, 2026 |
|
61 °F | 79 °F | 06:28 | 19:34 | 21:00 | 10:07 | Waning Moon (80 %) |
| September 1, 2026 |
|
61 °F | 91 °F | 06:28 | 19:33 | 21:27 | 11:12 | Waning Moon (70 %) |
| September 2, 2026 |
|
66 °F | 87 °F | 06:29 | 19:31 | 21:59 | 12:20 | Last Quarter (60 %) |
| September 3, 2026 |
|
62 °F | 86 °F | 06:30 | 19:30 | 22:40 | 13:30 | Last Quarter (50 %) |
| September 4, 2026 |
|
63 °F | 88 °F | 06:31 | 19:28 | 23:32 | 14:39 | Last Quarter (39 %) |
| September 5, 2026 |
|
64 °F | 85 °F | 06:32 | 19:26 | Does not rise today | 15:42 | Waning Crescent (29 %) |
| September 6, 2026 |
|
49 °F | 80 °F | 06:33 | 19:25 | 00:35 | 16:37 | Waning Crescent (20 %) |
| September 7, 2026 |
|
43 °F | 66 °F | 06:34 | 19:23 | 01:49 | 17:22 | Waning Crescent (12 %) |