Weather forecast for 10 days
Boulder, CO

Weather forecast for the weekend

Saturday, May 10.

Mostly Sunny
5:48 am

8:06 pm
MDT
Mostly Sunny
81°F / 50°F
  • Wind: 7mph SE
  • Humidity: 31%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
On Saturday, May 10, sunny intervals will be long-lasting, with few disruptions.
The peak daytime temperature will touch a moderately hot 80.6°F, while the nighttime temperature will descend to a fresh 50°F.
Tomorrow, expect warmer conditions as the high matches June's average of 76.6°F, not May's.
Sunrise will be at 5:48 am and sunset at 8:06 pm; tomorrow's daylight will last for 14h and 18min.

Sunday, May 11.

Mostly Sunny
5:47 am

8:07 pm
MDT
Mostly Sunny
82°F / 55°F
  • Wind: 8mph SSE
  • Humidity: 30%
  • Precip. probability: 20%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in Boulder, golden sunshine will carry through the day.
A considerable disparity in temperature is predicted, reaching up to a maximum of a warm 82.4°F and falling to a minimum of a mild 55.4°F.
Forecast models suggest warmer conditions, with a peak that mirrors June's climate average rather than May's.
Sunrise will be at 5:47 am and sunset at 8:07 pm; the daylight will last for 14h and 20min.

Frequently asked questions

What is the weather forecast for Boulder for tomorrow?
Tomorrow, sunshine will dominate, with only occasional cloud cover.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 50°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 61°F in May. The lowest temperature will be also noticeably higher than the average low of 38.7°F.
When are sunrise and sunset tomorrow?
On Saturday, in Boulder, sunrise will be at 5:48 am and sunset at 8:06 pm (MDT).
How many hours of daylight will Boulder have tomorrow?
In Boulder, tomorrow, there will be 14h and 18min of daylight.
What is the weather forecast for Boulder for Sunday?
On Sunday, mostly sunny skies are expected.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 82.4°F, while the minimum temperature will be 55.4°F.
What is the weather forecast for Boulder for the next ten days?
In Boulder, a combination of dull, mostly clear and unstable weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated only on next Sunday. With a probability of 36%, minimal precipitation of 0.12" is expected.
How hot will it be in the next ten days?
The maximum temperature will vary between 66.2°F and 86°F, as the minimum temperature will be between 41°F and 55.4°F.
What will be the hottest and the coldest days?
With a maximum temperature of 86°F, Monday and Tuesday will be the hottest days. With a maximum temperature of 66.2°F, Wednesday and Thursday will be the coldest days in Boulder.

Long-term weather forecast

FriMay 9.
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NE
  • Humidity: 28%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:49 am 8:05 pm MDT
SatMay 10.
  • 81°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph SE
  • Humidity: 31%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:48 am 8:06 pm MDT
SunMay 11.
  • 82°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SSE
  • Humidity: 30%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:47 am 8:07 pm MDT
MonMay 12.
  • 86°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph SSW
  • Humidity: 23%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:46 am 8:08 pm MDT
TueMay 13.
  • 86°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSE
  • Humidity: 21%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:45 am 8:09 pm MDT
WedMay 14.
  • 66°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph W
  • Humidity: 26%
  • UV index: 8
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:44 am 8:10 pm MDT
ThuMay 15.
  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Humidity: 27%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:43 am 8:11 pm MDT
FriMay 16.
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NNE
  • Humidity: 37%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:42 am 8:12 pm MDT
SatMay 17.
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSW
  • Humidity: 36%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:41 am 8:13 pm MDT
SunMay 18.
  • 68°F
  • 46°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 9mph NNW
  • Humidity: 46%
  • UV index: 8
  • Precip. probability: 36%
  • Precipitation: 0.12"
  • 5:41 am 8:14 pm MDT
Over the next ten days, a mix of cloudy, dry and sunny and thunderstorm-prone weather is anticipated.
With a 36% probability, rainfall is anticipated only on next Sunday. Forecasted precipitation will be minimal at 0.12".
The temperature will vary considerably in the coming days. Forecast highs will fluctuate between 66.2°F and 86°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 41°F up to 55.4°F.
With a maximum temperature of 86°F, Monday and Tuesday will be the hottest days in Boulder; with a maximum temperature of 66.2°F, Wednesday and Thursday will be the coldest days in Boulder.
Updated: May 9, 2025 @ 20:33:23 UTC
Published by: Weather Atlas | About Us
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