Weather 10 days - Boulder, UT

10-day overview

Daily temperatures

Warmest day: Wednesday 28.10. 55°C.
Coldest day: Saturday 48°C.

Chance of precipitation

Highest chance: tomorrow 98%.

Long-term weather forecast

Wednesday
Oct 21, 2026

50°F
46°F

Rain

Precip. probability: 97%
Precipitation: 0.71"
Wind: 5mphENE 76°
Humidity: 99%
UV index: 1
Sunrise: 7:40 am MDT
Sunset: 6:40 pm MDT
details ▼

Thursday
Oct 22, 2026

52°F
37°F

Thunderstorms

Precip. probability: 98%
Precipitation: 1.42"
Wind: 7mphESE 108°
Humidity: 99%
UV index: 2
Sunrise: 7:41 am MDT
Sunset: 6:38 pm MDT
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Friday
Oct 23, 2026

52°F
36°F

Partly Cloudy

Precip. probability: 15%
Precipitation: 0"
Wind: 9mphSSW 209°
Humidity: 69%
UV index: 5
Sunrise: 7:42 am MDT
Sunset: 6:37 pm MDT
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Saturday
Oct 24, 2026

48°F
34°F

PM Showers

Precip. probability: 43%
Precipitation: 0.08"
Wind: 9mphNE 38°
Humidity: 75%
UV index: 4
Sunrise: 7:43 am MDT
Sunset: 6:36 pm MDT
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Sunday
Oct 25, 2026

50°F
34°F

Partly Cloudy

Precip. probability: 24%
Precipitation: 0"
Wind: 6mphESE 122°
Humidity: 80%
UV index: 4
Sunrise: 7:44 am MDT
Sunset: 6:35 pm MDT
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Monday
Oct 26, 2026

54°F
36°F

Sunny

Precip. probability: 4%
Precipitation: 0"
Wind: 7mphESE 107°
Humidity: 70%
UV index: 4
Sunrise: 7:45 am MDT
Sunset: 6:33 pm MDT
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Tuesday
Oct 27, 2026

54°F
36°F

Mostly Sunny

Precip. probability: 2%
Precipitation: 0"
Wind: 7mphSSW 192°
Humidity: 65%
UV index: 4
Sunrise: 7:46 am MDT
Sunset: 6:32 pm MDT
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Wednesday
Oct 28, 2026

55°F
37°F

Partly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 7mphSSW 194°
Humidity: 57%
UV index: 4
Sunrise: 7:47 am MDT
Sunset: 6:31 pm MDT
details ▼

Thursday
Oct 29, 2026

54°F
37°F

Partly Cloudy

Precip. probability: 10%
Precipitation: 0"
Wind: 9mphSSW 193°
Humidity: 63%
UV index: 4
Sunrise: 7:48 am MDT
Sunset: 6:30 pm MDT
details ▼

Friday
Oct 30, 2026

50°F
36°F

Partly Cloudy

Precip. probability: 17%
Precipitation: 0"
Wind: 8mphS 182°
Humidity: 70%
UV index: 3
Sunrise: 7:49 am MDT
Sunset: 6:29 pm MDT
details ▼

The next ten days will bring unstable conditions, and a mix of gloomy, damp, sun-filled and lightning-active weather is expected.
Rainfall is predicted for Wednesday, Thursday and Saturday.
In the upcoming period, the highest temperature will range between 48.2°F and 55.4°F, while the lowest night temperatures will vary significantly, as nighttime lows are forecast to fall between 33.8°F and 46.4°F.
Next Wednesday will be the warmest day, with a maximum temperature of 55.4°F; the lowest daytime temperature of the period will be reached on Saturday, peaking at 48.2°F.

Updated: Oct 21, 2026 @ 20:00:38 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Boulder, weather will be unstable, and a combination of cloudy, wet, bright and stormy weather is forecasted for the next ten days.

Rainfall is anticipated on Wednesday, Thursday and Saturday in Boulder. Thursday, with intense precipitation of 1.42", will be the day with the most rainfall.

The maximum temperature will range between 48.2°F and 55.4°F, as the minimum temperature will range between 33.8°F and 46.4°F.

The warmest day will be next Wednesday, with a maximum of 55.4°F. Saturday will be the coldest day, with a maximum temperature of 48.2°F.

On Saturday, on-and-off showers may develop in the afternoon.

On Saturday, there is a low probability of minimal rainfall in Boulder.

On Saturday, the highest temperature will be 48.2°F, while the lowest temperature will be 33.8°F.

On Sunday, thin clouds will pass through at times, but overall, it will remain bright.

No, it will not rain on Sunday.

On Sunday, the maximum temperature will be 50°F, while the minimum temperature will be 33.8°F.

Today

Tomorrow

Long-term