Today's Summary
If you head out in Boulder today, you'll see a sunny sky. The thermometer currently shows 17.3°C. Pack a light jacket for the evening. During the day temperatures will range between 0.4°C and 20.7°C.
Hourly forecast – Boulder, today
Apr 19, 11:00
17 °C
Sunny
Apr 19, 12:00
18 °C
Sunny
Apr 19, 13:00
19 °C
Sunny
Apr 19, 14:00
20 °C
Sunny
Apr 19, 15:00
20 °C
Sunny
Apr 19, 16:00
20 °C
Sunny
Apr 19, 17:00
20 °C
Partly cloudy
Apr 19, 18:00
18 °C
Partly cloudy
Apr 19, 19:00
14 °C
Sunny
Apr 19, 20:00
11 °C
Clear
Apr 19, 21:00
9 °C
Clear
Apr 19, 22:00
8 °C
Clear
Apr 19, 23:00
7 °C
Clear
Apr 20, 00:00
7 °C
Clear
Apr 20, 01:00
6 °C
Clear
Apr 20, 02:00
6 °C
Clear
Apr 20, 03:00
6 °C
Clear
Apr 20, 04:00
5 °C
Clear
Apr 20, 05:00
5 °C
Partly cloudy
Apr 20, 06:00
6 °C
Partly cloudy
Apr 20, 07:00
9 °C
Cloudy
Apr 20, 08:00
13 °C
Sunny
Apr 20, 09:00
16 °C
Partly cloudy
Apr 20, 10:00
19 °C
Partly cloudy
Time
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
Wind (mph)
ESE
4
4
SSE
1
1
W
4
4
WNW
11
11
NW
13
13
WNW
9
9
W
9
9
NNW
7
7
N
5
5
W
5
5
WSW
9
9
WSW
10
10
WSW
10
10
W
9
9
W
10
10
W
10
10
W
10
10
WSW
10
10
W
10
10
W
9
9
WSW
9
9
WSW
6
6
WSW
3
3
WSW
2
2
Pressure (hPa)
1021
1014
1013
1012
1012
1011
1010
1011
1012
1014
1016
1017
1016
1016
1017
1016
1016
1017
1017
1017
1017
1016
1015
1014
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 -2.6°C at night, with daytime highs up to 27.2°C.
Date
Apr 19
Apr 20
Apr 21
Apr 22
Apr 23
Apr 24
Apr 25
Apr 26
Apr 27
Apr 28
Apr 29
Apr 30
May 1
May 2
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
74
88
79
84
79
0
0
0
87
Precipitation
Wind max (mph)
13
17
14
26
38
12
6
6
8
6
10
11
17
16
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| April 19, 2026 |
|
0 °C | 21 °C | 06:17 | 19:44 | 07:19 | 23:08 | Waxing Crescent (3 %) |
| April 20, 2026 |
|
5 °C | 24 °C | 06:15 | 19:45 | 08:09 | — | Waxing Crescent (9 %) |
| April 21, 2026 |
|
9 °C | 26 °C | 06:14 | 19:46 | 09:11 | 00:20 | Waxing Crescent (17 %) |
| April 22, 2026 |
|
8 °C | 27 °C | 06:13 | 19:47 | 10:21 | 01:21 | Waxing Crescent (27 %) |
| April 23, 2026 |
|
4 °C | 18 °C | 06:11 | 19:48 | 11:36 | 02:10 | Waxing Crescent (38 %) |
| April 24, 2026 |
|
-1 °C | 10 °C | 06:10 | 19:49 | 12:49 | 02:48 | First Quarter (49 %) |
| April 25, 2026 |
|
-1 °C | 4 °C | 06:09 | 19:50 | 14:00 | 03:18 | Waxing Moon (60 %) |
| April 26, 2026 |
|
-3 °C | 14 °C | 06:07 | 19:51 | 15:07 | 03:44 | Waxing Moon (70 %) |
| April 27, 2026 |
|
2 °C | 12 °C | 06:06 | 19:52 | 16:11 | 04:06 | Waxing Moon (79 %) |
| April 28, 2026 |
|
2 °C | 14 °C | 06:05 | 19:53 | 17:15 | 04:27 | Waxing Moon (87 %) |
| April 29, 2026 |
|
5 °C | 21 °C | 06:03 | 19:54 | 18:18 | 04:48 | Waxing Moon (93 %) |
| April 30, 2026 |
|
6 °C | 22 °C | 06:02 | 19:55 | 19:22 | 05:11 | Waxing Moon (97 %) |
| May 1, 2026 |
|
6 °C | 24 °C | 06:01 | 19:56 | 20:25 | 05:36 | Full Moon (99 %) |
| May 2, 2026 |
|
3 °C | 17 °C | 06:00 | 19:57 | 21:29 | 06:04 | Waning Moon (100 %) |