Boulder, CO 14-Day Forecast

Colorado, United States 🇺🇸
84°
Sunny right now Today: high 86°, low 55°
Updated 5 hours ago

Boulder weather for the next 14 days

Today

Sunny High 86° Low 55°
Precipitation
57% · 0.04 in
12 mph
6 - High
Sunrise / sunset
07:01 AM / 06:37 PM

Tuesday, October 6

Overcast High 85° Low 58°
Precipitation
7% · 0.0 in
Max wind
13 mph
Humidity
24%
UV index
5 - Moderate
Sunrise / sunset
07:02 AM / 06:35 PM

Wednesday, October 7

Overcast High 81° Low 54°
Precipitation
36% · 0.01 in
Max wind
12 mph
Humidity
30%
UV index
6 - High
Sunrise / sunset
07:03 AM / 06:34 PM

Thursday, October 8

Sunny High 81° Low 54°
Precipitation
1% · 0.0 in
Max wind
12 mph
Humidity
31%
UV index
6 - Moderate
Sunrise / sunset
07:04 AM / 06:32 PM

Friday, October 9

Sunny High 80° Low 52°
Precipitation
36% · 0.03 in
Max wind
12 mph
Humidity
30%
UV index
7 - High
Sunrise / sunset
07:05 AM / 06:31 PM

Saturday, October 10

Sunny High 79° Low 54°
Precipitation
3% · 0.0 in
Max wind
15 mph
Humidity
28%
UV index
6 - High
Sunrise / sunset
07:06 AM / 06:29 PM

Sunday, October 11

Sunny High 73° Low 50°
Precipitation
60% · 0.72 in
Max wind
10 mph
Humidity
42%
UV index
6 - High
Sunrise / sunset
07:07 AM / 06:28 PM

Monday, October 12

Sunny High 76° Low 44°
Precipitation
4% · 0.0 in
Max wind
11 mph
Humidity
51%
UV index
6 - High
Sunrise / sunset
07:08 AM / 06:26 PM

Tuesday, October 13

Sunny High 61° Low 39°
Precipitation
36% · 0.01 in
Snow
0.07 cm
Max wind
12 mph
Humidity
37%
UV index
5 - Moderate
Sunrise / sunset
07:09 AM / 06:25 PM

Wednesday, October 14

Heavy snow High 38° Low 32°
Precipitation
83% · 0.21 in
Snow
3.74 cm
Max wind
8 mph
Humidity
81%
UV index
1 - Low
Sunrise / sunset
07:10 AM / 06:23 PM

Thursday, October 15

Sunny High 52° Low 26°
Precipitation
5% · 0.0 in
Max wind
7 mph
Humidity
60%
UV index
4 - Moderate
Sunrise / sunset
07:11 AM / 06:22 PM

Friday, October 16

Sunny High 62° Low 33°
Precipitation
1% · 0.0 in
Max wind
8 mph
Humidity
41%
UV index
5 - Moderate
Sunrise / sunset
07:12 AM / 06:20 PM

Saturday, October 17

Sunny High 66° Low 39°
Precipitation
1% · 0.0 in
Max wind
9 mph
Humidity
30%
UV index
5 - Moderate
Sunrise / sunset
07:13 AM / 06:19 PM

Sunday, October 18

Overcast High 64° Low 41°
Precipitation
7% · 0.0 in
Max wind
8 mph
Humidity
27%
UV index
4 - Moderate
Sunrise / sunset
07:14 AM / 06:17 PM

Boulder 14-day outlook: the story

The warmest day of Boulder's 14-day outlook is Monday, October 5 with a high near 86°F (30°C); the coolest night comes Thursday, October 15, dipping to 26°F (-3°C). The trend points cooler: week two runs about 21°F below week one. Highs over the next two weeks average 81°F (27°C), about 18°F (10°C) above the typical October high of 63°F (17°C).

Precipitation is most likely on Monday 5, Sunday 11, Wednesday 14; the wettest day looks like Sunday, October 11 with about 0.72 in (18.3 mm) expected. For the weekend, expect Saturday 79°F (26°C) and sunny / Sunday 73°F (23°C) and sunny.

For typical conditions month by month, see the Boulder climate & average temperatures guide.

Boulder forecast questions

Will it rain in Boulder this week?
The forecast currently shows meaningful precipitation chances on 3 of the next 14 days, peaking around Sunday, October 11.
What will be the warmest day in Boulder over the next 14 days?
Monday, October 5, with a forecast high near 86°F (30°C).
How accurate is a 14-day forecast for Boulder?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in Boulder by month

Monthly averages for Boulder based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 38° 17° 6 1.0 in 7.9 h/day 9.6 h 18% 61%
February 39° 15° 7 1.4 in 9.1 h/day 10.6 h 26% 61%
March 49° 24° 8 2.1 in 10.1 h/day 11.8 h 27% 61%
April 57° 31° 10 2.3 in 10.9 h/day 13.2 h 32% 58%
May 65° 41° 15 4.6 in 11.7 h/day 14.4 h 47% 64%
June 80° 54° 8 1.9 in 13.0 h/day 15.0 h 28% 52%
July 85° 59° 9 1.5 in 13.1 h/day 14.7 h 29% 50%
August 83° 58° 8 1.4 in 12.3 h/day 13.7 h 25% 50%
September 78° 52° 6 1.0 in 11.2 h/day 12.4 h 21% 47%
October 63° 38° 6 1.3 in 9.7 h/day 11.1 h 20% 53%
November 49° 27° 6 1.3 in 8.5 h/day 9.9 h 20% 57%
December 42° 20° 5 0.9 in 7.8 h/day 9.3 h 17% 56%
14-day forecasts nearby