Two-week planning outlook

14-Day Weather Forecast for Boulder, Colorado

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 52°F and 91°F during the next 14 days. Rain chances peak at 100% on Saturday, Sep 12, while Mon, Sep 14 · Thu, Sep 17 · Tue, Sep 15 currently look most favorable for outdoor plans.

Updated Sep 6, 9:12 AM -06:00

14 Days at a Glance

Complete two-week outlook

Warmest DayFri, Sep 11 · 91°FFew Clouds

Coolest NightSun, Sep 13 · 43°FVery Heavy Rain

Highest Rain ChanceSat, Sep 12 · 100%Heavy Intensity Rain

Strongest WindSat, Sep 12 · 16.6 mphNo gust data

Weekend OutlookRain possible · Light Rain89°F / 65°F

Total Precipitation1.97 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Sunday, Sep 6 · 89°F / 65°F

Light Rain

Rain chance 56%, 13.1 mph WNW, humidity 27%.

Morning: 65°F
Afternoon: 87°F
Evening: 73°F
Overnight: 71°F
Humidity: 27%
Pressure: 29.83 inHg
Dew point: —
UV index: 0 low
Sunrise: 6:33 AM
Sunset: 7:25 PM

Temperature Trend

HighLow43°F – 91°F

9/69/79/89/99/109/119/129/139/149/159/169/179/189/19

Rain Chances

56%9/6

36%9/7

12%9/8

12%9/9

0%9/10

36%9/11

100%9/12

100%9/13

0%9/14

0%9/15

0%9/16

0%9/17

0%9/18

0%9/19

UV Index

Daily peak

09/6

09/7

09/8

09/9

09/10

09/11

09/12

09/13

09/14

09/15

09/16

09/17

09/18

09/19

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

Mon, Sep 14 · Thu, Sep 17 · Tue, Sep 15

Lower rain chances and manageable winds

Rainy Days

Sat, Sep 12 · Sun, Sep 13 · Sun, Sep 6

Peak chance 100%

Warmest Days

Fri, Sep 11 · Sat, Sep 19 · Thu, Sep 10

Highs up to 91°F

Coolest Nights

Sun, Sep 13 · Mon, Sep 14 · Sat, Sep 12

Lows near 43°F

Windiest Day

Saturday, Sep 12

16.6 mph · Gusts —

Weekend Weather

Two-week planning

This Weekend

Sun, Sep 689°F / 65°FLight Rain · Rain 56%

Next Weekend

Sat, Sep 1280°F / 52°FHeavy Intensity Rain · Rain 100%

Sun, Sep 1352°F / 43°FVery Heavy Rain · Rain 100%

14-Day Weather Forecast for Boulder, Colorado

Temperatures range from an overnight low near 43°F to a daytime high near 91°F. The strongest rain signal is 100% on Saturday, Sep 12, with 3 notable wet days in the current outlook.

FAQ

14-day forecast questions for Boulder

What is the 14-day weather forecast for Boulder?

Will it rain in Boulder during the next two weeks?

The strongest rain signal is 100% on Saturday, Sep 12, with 3 notable wet days in the current outlook.

What is the hottest day in Boulder during the next 14 days?

The warmest forecast day is Friday, Sep 11, with a high near 91°F.

What is the coldest night in Boulder?

The lowest forecast temperature is 43°F on Sunday, Sep 13.

What will the weather be this weekend in Boulder?

This Weekend currently ranges from 65°F to 89°F, with rain chances peaking at 56%.