Dailymet

Weather Boulder: Current forecast

Boulder / Colorado (CO) / United States

27 °C
Feels like 26 °C
Min 15 °C / Max 33 °C
Weather Boulder: Partly cloudy, 27 °C Partly cloudy
6.3 mph ENE
Wind
11.9 mph ENE
Gusts
1021 hPa
Pressure
0 mm
Precipitation
30 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass High
Mugwort None
Ragweed None
05:47 / 20:27
Sunrise / Sunset
10:38 / 22:58
Moonrise / Moonset
Waxing Crescent (23 %)
Moon phase

Updated: Jul 19, 2026, 6:40 CEST Jul 18, 2026, 22:40 MDT

Today's Summary

If you head out in Boulder today, you'll see a partly cloudy sky. The thermometer currently shows 27°C. Wear light, breathable clothes and drink plenty of fluids. During the day temperatures will range between 14.9°C and 33.3°C.

Hourly forecast – Boulder, today

Jul 18, 23:00
18 °C
Clear
Boulder Jul 18, 23:00: Clear, 18 °C
Jul 19, 00:00
16 °C
Clear
Boulder Jul 19, 00:00: Clear, 16 °C
Jul 19, 01:00
16 °C
Clear
Boulder Jul 19, 01:00: Clear, 16 °C
Jul 19, 02:00
16 °C
Clear
Boulder Jul 19, 02:00: Clear, 16 °C
Jul 19, 03:00
16 °C
Clear
Boulder Jul 19, 03:00: Clear, 16 °C
Jul 19, 04:00
15 °C
Sunny
Boulder Jul 19, 04:00: Sunny, 15 °C
Jul 19, 05:00
21 °C
Sunny
Boulder Jul 19, 05:00: Sunny, 21 °C
Jul 19, 06:00
25 °C
Sunny
Boulder Jul 19, 06:00: Sunny, 25 °C
Jul 19, 07:00
28 °C
Sunny
Boulder Jul 19, 07:00: Sunny, 28 °C
Jul 19, 08:00
30 °C
Sunny
Boulder Jul 19, 08:00: Sunny, 30 °C
Jul 19, 09:00
31 °C
Sunny
Boulder Jul 19, 09:00: Sunny, 31 °C
Jul 19, 10:00
33 °C
Sunny
Boulder Jul 19, 10:00: Sunny, 33 °C
Jul 19, 11:00
34 °C
Sunny
Boulder Jul 19, 11:00: Sunny, 34 °C
Jul 19, 12:00
35 °C
Sunny
Boulder Jul 19, 12:00: Sunny, 35 °C
Jul 19, 13:00
35 °C
Sunny
Boulder Jul 19, 13:00: Sunny, 35 °C
Jul 19, 14:00
35 °C
Sunny
Boulder Jul 19, 14:00: Sunny, 35 °C
Jul 19, 15:00
35 °C
Sunny
Boulder Jul 19, 15:00: Sunny, 35 °C
Jul 19, 16:00
35 °C
Sunny
Boulder Jul 19, 16:00: Sunny, 35 °C
Jul 19, 17:00
34 °C
Partly cloudy
Boulder Jul 19, 17:00: Partly cloudy, 34 °C
Jul 19, 18:00
29 °C
Cloudy
Boulder Jul 19, 18:00: Cloudy, 29 °C
Jul 19, 19:00
24 °C
Clear
Boulder Jul 19, 19:00: Clear, 24 °C
Jul 19, 20:00
23 °C
Clear
Boulder Jul 19, 20:00: Clear, 23 °C
Jul 19, 21:00
22 °C
Clear
Boulder Jul 19, 21:00: Clear, 22 °C
Jul 19, 22:00
21 °C
Clear
Boulder Jul 19, 22:00: Clear, 21 °C
Time
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
Boulder Jul 18, 23:00: Clear
Boulder Jul 19, 00:00: Clear
Boulder Jul 19, 01:00: Clear
Boulder Jul 19, 02:00: Clear
Boulder Jul 19, 03:00: Clear
Boulder Jul 19, 04:00: Sunny
Boulder Jul 19, 05:00: Sunny
Boulder Jul 19, 06:00: Sunny
Boulder Jul 19, 07:00: Sunny
Boulder Jul 19, 08:00: Sunny
Boulder Jul 19, 09:00: Sunny
Boulder Jul 19, 10:00: Sunny
Boulder Jul 19, 11:00: Sunny
Boulder Jul 19, 12:00: Sunny
Boulder Jul 19, 13:00: Sunny
Boulder Jul 19, 14:00: Sunny
Boulder Jul 19, 15:00: Sunny
Boulder Jul 19, 16:00: Sunny
Boulder Jul 19, 17:00: Partly cloudy
Boulder Jul 19, 18:00: Cloudy
Boulder Jul 19, 19:00: Clear
Boulder Jul 19, 20:00: Clear
Boulder Jul 19, 21:00: Clear
Boulder Jul 19, 22:00: Clear
Temperature (°C)
Chance of rain (%)
1
2
2
3
3
2
1
1
1
0
0
0
0
0
1
1
1
1
3
5
2
1
1
1
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (mph)
NW
4
WNW
4
W
5
W
5
W
6
W
6
WSW
4
SE
1
ESE
5
E
6
E
7
ESE
10
ESE
12
ESE
13
SE
9
SE
8
ESE
7
ESE
7
ESE
8
NE
12
WNW
7
WNW
9
WNW
7
WSW
5
Pressure (hPa)
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1007
1006
1006
1009
1010
1011
1011
1011
Humidity (%)
43 %
50 %
52 %
53 %
54 %
53 %
43 %
34 %
29 %
26 %
23 %
20 %
18 %
17 %
16 %
16 %
15 %
15 %
15 %
22 %
30 %
32 %
33 %
37 %
Cloud cover (%)
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
1 %
1 %
0 %
0 %
0 %
7 %
9 %
9 %
14 %
46 %
66 %
24 %
13 %
6 %
6 %

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 38.7°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
Boulder July 18, 2026: Sunny
Boulder July 19, 2026: Sunny
Boulder July 20, 2026: Sunny
Boulder July 21, 2026: Sunny
Boulder July 22, 2026: Sunny
Boulder July 23, 2026: Sunny
Boulder July 24, 2026: Sunny
Boulder July 25, 2026: Sunny
Boulder July 26, 2026: Sunny
Boulder July 27, 2026: Sunny
Boulder July 28, 2026: Sunny
Boulder July 29, 2026: Sunny
Boulder July 30, 2026: Sunny
Boulder July 31, 2026: Sunny
Temperature (°C)
Chance of rain (%)
1
1
1
36
64
17
2
57
4
57
1
17
17
2
Precipitation
—
0 mm
—
0.5 mm
12.7 mm
0.2 mm
0 mm
7.2 mm
0 mm
1.1 mm
—
0.1 mm
0.1 mm
0 mm
Wind max (mph)
12
13
15
17
15
9
12
17
10
11
16
10
18
15
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 Boulder July 18, 2026: Sunny Sunny 15 °C 33 °C 05:47 20:27 10:38 22:58 Waxing Crescent (23 %)
July 19, 2026 Boulder July 19, 2026: Sunny Sunny 15 °C 35 °C 05:48 20:26 11:50 23:22 First Quarter (33 %)
July 20, 2026 Boulder July 20, 2026: Sunny Sunny 18 °C 37 °C 05:48 20:25 12:59 23:48 First Quarter (43 %)
July 21, 2026 Boulder July 21, 2026: Sunny Sunny 18 °C 34 °C 05:49 20:25 14:08 Does not set today First Quarter (53 %)
July 22, 2026 Boulder July 22, 2026: Sunny Sunny 15 °C 31 °C 05:50 20:24 15:16 00:15 First Quarter (64 %)
July 23, 2026 Boulder July 23, 2026: Sunny Sunny 16 °C 33 °C 05:51 20:23 16:22 00:48 Waxing Moon (74 %)
July 24, 2026 Boulder July 24, 2026: Sunny Sunny 17 °C 33 °C 05:52 20:22 17:24 01:26 Waxing Moon (82 %)
July 25, 2026 Boulder July 25, 2026: Sunny Sunny 17 °C 36 °C 05:53 20:22 18:19 02:11 Waxing Moon (90 %)
July 26, 2026 Boulder July 26, 2026: Sunny Sunny 17 °C 37 °C 05:54 20:21 19:06 03:04 Waxing Moon (95 %)
July 27, 2026 Boulder July 27, 2026: Sunny Sunny 18 °C 35 °C 05:55 20:20 19:45 04:02 Full Moon (99 %)
July 28, 2026 Boulder July 28, 2026: Sunny Sunny 18 °C 37 °C 05:55 20:19 20:18 05:03 Full Moon (100 %)
July 29, 2026 Boulder July 29, 2026: Sunny Sunny 20 °C 36 °C 05:56 20:18 20:45 06:05 Full Moon (99 %)
July 30, 2026 Boulder July 30, 2026: Sunny Sunny 18 °C 38 °C 05:57 20:17 21:09 07:07 Waning Moon (96 %)
July 31, 2026 Boulder July 31, 2026: Sunny Sunny 19 °C 39 °C 05:58 20:16 21:30 08:08 Waning Moon (91 %)
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