35.3 °C
Feels like 33.5 °C
Min 15 °C / Max 34 °C
Partly cloudy
Today's Summary
In Boulder the weather today is partly cloudy. The thermometer currently shows 35.3°C. Stay in the shade, wear light clothing and drink lots of water. During the day temperatures will range between 14.9°C and 33.6°C.
Hourly forecast – Boulder, today
Jul 18, 18:00
28 °C
Partly cloudy
Jul 18, 19:00
22 °C
Partly cloudy
Jul 18, 20:00
22 °C
Partly cloudy
Jul 18, 21:00
23 °C
Clear
Jul 18, 22:00
23 °C
Clear
Jul 18, 23:00
18 °C
Clear
Jul 19, 00:00
17 °C
Clear
Jul 19, 01:00
16 °C
Clear
Jul 19, 02:00
16 °C
Clear
Jul 19, 03:00
16 °C
Clear
Jul 19, 04:00
15 °C
Sunny
Jul 19, 05:00
21 °C
Sunny
Jul 19, 06:00
25 °C
Sunny
Jul 19, 07:00
28 °C
Sunny
Jul 19, 08:00
29 °C
Sunny
Jul 19, 09:00
31 °C
Sunny
Jul 19, 10:00
33 °C
Sunny
Jul 19, 11:00
34 °C
Sunny
Jul 19, 12:00
35 °C
Sunny
Jul 19, 13:00
35 °C
Sunny
Jul 19, 14:00
36 °C
Sunny
Jul 19, 15:00
35 °C
Sunny
Jul 19, 16:00
35 °C
Sunny
Jul 19, 17:00
34 °C
Partly cloudy
Time
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
Temperature (°C)
Chance of rain (%)
3
3
2
1
1
1
1
2
2
2
2
1
1
0
0
0
0
0
0
0
0
1
1
2
Precipitation
Wind (km/h)
E
21
21
E
10
10
NNE
6
6
NNW
9
9
NW
11
11
WNW
9
9
W
9
9
W
9
9
W
9
9
W
9
9
W
9
9
WSW
6
6
ESE
3
3
E
7
7
E
10
10
E
12
12
ESE
15
15
ESE
18
18
ESE
20
20
ESE
16
16
ESE
13
13
ESE
11
11
SE
10
10
SE
10
10
Pressure (hPa)
1010
1012
1013
1014
1014
1014
1015
1015
1014
1014
1015
1015
1014
1013
1013
1012
1011
1010
1008
1008
1007
1006
1006
1006
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 14.9°C at night, with daytime highs up to 38.6°C.
Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
Temperature (°C)
Chance of rain (%)
1
1
1
57
57
57
36
36
57
36
2
1
1
3
Precipitation
Wind max (km/h)
21
20
25
34
23
35
23
26
21
19
23
26
16
23
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| July 18, 2026 |
Sunny
|
15 °C | 34 °C | 05:47 | 20:27 | 10:38 | 22:58 | Waxing Crescent (23 %) |
| July 19, 2026 |
Sunny
|
15 °C | 36 °C | 05:48 | 20:26 | 11:50 | 23:22 | First Quarter (33 %) |
| July 20, 2026 |
Sunny
|
18 °C | 37 °C | 05:48 | 20:25 | 12:59 | 23:48 | First Quarter (43 %) |
| July 21, 2026 |
Sunny
|
18 °C | 35 °C | 05:49 | 20:25 | 14:08 | Does not set today | First Quarter (53 %) |
| July 22, 2026 |
Sunny
|
15 °C | 32 °C | 05:50 | 20:24 | 15:16 | 00:15 | First Quarter (64 %) |
| July 23, 2026 |
Sunny
|
16 °C | 35 °C | 05:51 | 20:23 | 16:22 | 00:48 | Waxing Moon (74 %) |
| July 24, 2026 |
Sunny
|
18 °C | 37 °C | 05:52 | 20:22 | 17:24 | 01:26 | Waxing Moon (82 %) |
| July 25, 2026 |
Sunny
|
19 °C | 36 °C | 05:53 | 20:22 | 18:19 | 02:11 | Waxing Moon (90 %) |
| July 26, 2026 |
Sunny
|
17 °C | 35 °C | 05:54 | 20:21 | 19:06 | 03:04 | Waxing Moon (95 %) |
| July 27, 2026 |
Sunny
|
17 °C | 35 °C | 05:55 | 20:20 | 19:45 | 04:02 | Full Moon (99 %) |
| July 28, 2026 |
Sunny
|
17 °C | 33 °C | 05:55 | 20:19 | 20:18 | 05:03 | Full Moon (100 %) |
| July 29, 2026 |
Sunny
|
19 °C | 36 °C | 05:56 | 20:18 | 20:45 | 06:05 | Full Moon (99 %) |
| July 30, 2026 |
Sunny
|
17 °C | 39 °C | 05:57 | 20:17 | 21:09 | 07:07 | Waning Moon (96 %) |
| July 31, 2026 |
Sunny
|
18 °C | 38 °C | 05:58 | 20:16 | 21:30 | 08:08 | Waning Moon (91 %) |