Weather forecast for 10 days
Boulder, WY

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Weather forecast for the weekend

Saturday, May 10.

Mostly Sunny
5:59 am

8:31 pm
MDT
Mostly Sunny
75°F / 43°F
  • Wind: 10mph WSW
  • Humidity: 28%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, on Saturday, dry and sunny weather is expected throughout the day.
Day and night temperatures will contrast sharply, ranging from a peak of a warm 75.2°F to a low of a frosty 42.8°F.
On tomorrow, conditions will be warmer with a temperature more like June's typical high of 69.6°F.
Sunrise will be at 5:59 am and sunset at 8:31 pm; tomorrow's daylight will last for 14h and 32min.

Sunday, May 11.

Mostly Cloudy / Wind
5:58 am

8:32 pm
MDT
Mostly Cloudy / Wind
72°F / 45°F
  • Wind: 22mph SSW
  • Humidity: 33%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 5
On Sunday, May 11, cloudy and breezy weather is expected.
Significant temperature fluctuations from a high of an agreeable 71.6°F to a low of a frosty 44.6°F are forecasted.
The expected high is higher and consistent with June's normal of 69.6°F rather than May's.
Sunrise will be at 5:58 am and sunset at 8:32 pm; the daylight will last for 14h and 34min.

Frequently asked questions

What is the weather forecast for Boulder for tomorrow?
Tomorrow, sunshine will prevail for most of the day.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 42.8°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 56.7°F in May. The lowest temperature will be moderately higher than the average low of 38.3°F.
When are sunrise and sunset tomorrow?
On Saturday, in Boulder, sunrise will be at 5:59 am and sunset at 8:31 pm (MDT).
How many hours of daylight will Boulder have tomorrow?
Tomorrow, the daylight will last for 14h and 32min.
What is the weather forecast for Boulder for Sunday?
On Sunday, gray and windy conditions will persist.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 71.6°F, while the lowest temperature will be 44.6°F.
What is the weather forecast for Boulder for the next ten days?
In Boulder, a combination of predominantly cloud-filled and occasionally bright and damp weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Wednesday and Thursday in Boulder. Wednesday, with light precipitation of 0.2", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 48.2°F and 75.2°F, as the minimum temperature will be between 30.2°F and 44.6°F.
What will be the warmest and the coldest days?
The warmest day will be tomorrow, with a maximum of 75.2°F. With a maximum temperature of 48.2°F, Wednesday will be the coldest day.

Long-term weather forecast

FriMay 9.
  • 72°F
  • 36°F
Sunny
Sunny
  • Wind: 8mph WNW
  • Humidity: 34%
  • UV index: 7
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:00 am 8:30 pm MDT
SatMay 10.
  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph WSW
  • Humidity: 28%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:59 am 8:31 pm MDT
SunMay 11.
  • 72°F
  • 45°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Wind: 22mph SSW
  • Humidity: 33%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:58 am 8:32 pm MDT
MonMay 12.
  • 72°F
  • 39°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 22mph SW
  • Humidity: 26%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:57 am 8:33 pm MDT
TueMay 13.
  • 61°F
  • 32°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 17mph SSW
  • Humidity: 30%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:56 am 8:34 pm MDT
WedMay 14.
  • 48°F
  • 30°F
PM Showers
PM Showers
  • Wind: 16mph W
  • Humidity: 55%
  • UV index: 6
  • Precip. probability: 35%
  • Precipitation: 0.2"
  • 5:55 am 8:35 pm MDT
ThuMay 15.
  • 54°F
  • 30°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph WNW
  • Humidity: 47%
  • UV index: 6
  • Precip. probability: 20%
  • Precipitation: 0.08"
  • 5:54 am 8:36 pm MDT
FriMay 16.
  • 55°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WNW
  • Humidity: 48%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:53 am 8:37 pm MDT
SatMay 17.
  • 57°F
  • 32°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 14mph WNW
  • Humidity: 50%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:52 am 8:38 pm MDT
SunMay 18.
  • 57°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph WNW
  • Humidity: 51%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:51 am 8:39 pm MDT
During the ten-day period, primarily overcast and occasionally clear and showery weather is anticipated.
Rainfall is anticipated on Wednesday and Thursday.
The temperature will vary considerably across the forecast period. Highs will range from 48.2°F to 75.2°F, while the variation in nighttime lows will be also notably wide, as the overnight lows will vary from 30.2°F to 44.6°F.
With the highest temperature of 75.2°F, Saturday will be the warmest day; with the highest temperature of 48.2°F, Wednesday will be the coldest day.
Updated: May 9, 2025 @ 07:13:15 UTC
Published by: Weather U.S. | About Us
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