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Weather in Boulder County, Colorado for March 2026

Your guide to Boulder County weather in March - trends and predictions

    Snow Forecast ❄️

  • With an average of 5 snowy days, Boulder County usually enjoys a light touch of snow in March.
    According to Boulder County snow forecast for March 2026, no snow is expected until the end of the month.

    • Temperatures

  • So far, March 2026 in Boulder County shows a warmer trend than usual by 3.4 °F.

  • The forecast for the next days in Boulder County predicts a temperature of 17.8 °F, which is cooler than the historical average.

  • In general, the average temperature in Boulder County at the beginning of March is 9.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.9 °F by the end of March.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
4
Rainy days
Average snowy days
5
Snow days
Average temperatures
12°/0°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Boulder County Weather March

Move between months or click on a day
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
14°
2
Cloudy
16°
3
Moderate rain at times
10°
4
Overcast
11°
5
Partly cloudy
11°
6
Light freezing rain
7°
7
Light freezing rain
0°
8
Sunny
6°
9
Sunny
18°
10
Sunny
19°
11
Overcast
12°
12
Partly cloudy
16°
13
Overcast
15°
14
Moderate or heavy rain shower
14°
15
Overcast
6°
16
Sunny
11°
17
Cloudy
18°
18
Patchy rain possible
18°
19
Overcast
15°
20
Overcast
19°
21
Partly cloudy
20°
22
Sunny
16°
23
Cloudy
16°
24
Cloudy
18°
25
Sunny
23°
26
Sunny
29°
27
Cloudy
7°
28
Sunny
24°
29
Partly cloudy
23°
30
Partly cloudy
24°
31
Partly cloudy
23°

Temperatures trend during March in Boulder County

See the weather trend as well as the moving average line

March weather in Boulder County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Sunny
Sunny
 14° /-1° 0 mm 0 cm
Mar. 2 Cloudy
Cloudy
 16° /1° 0 mm 0 cm
Mar. 3 Moderate rain at times
Moderate rain at times
 10° /1° 11 mm 0 cm
Mar. 4 Overcast
Overcast
 11° /-1° 2.8 mm 1.3 cm
Mar. 5 Partly cloudy
Partly cloudy
 11° /0° 0 mm 0 cm
Mar. 6 Light freezing rain
Light freezing rain
 7° /-2° 6.9 mm 0.5 cm
Mar. 7 Light freezing rain
Light freezing rain
 0° /-5° 1.7 mm 0.5 cm
Mar. 8 Sunny
Sunny
 6° /-6° 0 mm 0 cm
Mar. 9 Sunny
Sunny
 18° /1° 0 mm 0 cm
Mar. 10 Sunny
Sunny
 19° /3° 0 mm 0 cm
Mar. 11 Overcast
Overcast
 12° /0° 0 mm 0 cm
Mar. 12 Partly cloudy
Partly cloudy
 16° /3° 0 mm 0 cm
Mar. 13 Overcast
Overcast
 15° /2° 0 mm 0 cm
Mar. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /2° 2 mm 0 cm
Mar. 15 Overcast
Overcast
 6° /-5° 0 mm 0 cm
Mar. 16 Sunny
Sunny
 11° /-4° 0 mm 0 cm
Mar. 17 Cloudy
Cloudy
 18° /4° 0 mm 0 cm
Mar. 18 Patchy rain possible
Patchy rain possible
 18° /4° 0.6 mm 0 cm
Mar. 19 Overcast
Overcast
 15° /4° 0 mm 0 cm
Mar. 20 Overcast
Overcast
 19° /5° 0 mm 0 cm
Mar. 21 Partly cloudy
Partly cloudy
 20° /5° 0 mm 0 cm
Mar. 22 Sunny
Sunny
 16° /4° 0.2 mm 0 cm
Mar. 23 Cloudy
Cloudy
 16° /4° 0 mm 0 cm
Mar. 24 Cloudy
Cloudy
 18° /6° 0 mm 0 cm
Mar. 25 Sunny
Sunny
 23° /9° 0 mm 0 cm
Mar. 26 Sunny
Sunny
 29° /2° 0 mm 0 cm
Mar. 27 Cloudy
Cloudy
 7° /-1° 0 mm 0 cm
Mar. 28 Sunny
Sunny
 24° /3° 0 mm 0 cm
Mar. 29 Partly cloudy
Partly cloudy
 23° /9° 0 mm 0 cm
Mar. 30 Partly cloudy
Partly cloudy
 24° /11° 0 mm 0 cm
Mar. 31 Partly cloudy
Partly cloudy
 23° /11° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Boulder County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Boulder County forecast closer to your planned date for the most up-to-date weather information.
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Boulder County in March - FAQ

What are the expected maximum and minimum temperatures in Boulder County during March?

Prepare for cooler days with highs just around 12° and colder nights, dipping below 0°.

How much rainfall should be expected in Boulder County during March?

In March, Boulder County can expect light to moderate rainfall, totaling 33.7 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Boulder County in March 2026?

Boulder County experiences an average snowfall of 5.365 cm during March, occurring over 5 days.

What are the typical wind conditions in Boulder County during March?

The average wind speed in Boulder County during March is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Boulder County snow forecast March 2026

Track daily snowfall levels and discover Boulder County’s snowy potential this March ❄️
On average, Boulder County sees 5 snowy days during March, with approximately 5.4 cm of total snowfall.

March rainfall patterns in Boulder County

Explore the daily rainfall trends and prepare for Boulder Countys March weather 💧
Typically, Boulder County has 4 rainy days in March with a total of 33.7 mm of rainfall.

UV exposure in Boulder County during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
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Location coordinates Where is Boulder County?

Get accurate weather forecasts for Boulder County, located at latitude 40.015 and longitude -105.271. Stay updated with localized weather information tailored for Boulder County.

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