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United States weather

Weather in Lewis and Clark County, Montana for March 2027

Your guide to Lewis and Clark County weather in March - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Lewis and Clark County usually enjoys a light touch of snow in March.

    • Rain 🌧️

  • With an average of 4 rainy days, Lewis and Clark County experiences minimal rainfall in March.

    • More

  • Is March a good time to visit Lewis and Clark County? check out the best time to travel to Lewis and Clark County page.

  • ✨ Is March a good time to visit Lewis and Clark County? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
4
Rainy days
Average snowy days
3
Snow days
Average temperatures
8°/-2°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Lewis and Clark County Weather March

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

Temperatures trend during March in Lewis and Clark County

See the weather trend as well as the moving average line

March weather in Lewis and Clark County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Cloudy
Cloudy
 8° /-4° 0 mm 0 cm
Mar. 2 Overcast
Overcast
 7° /-5° 0 mm 0 cm
Mar. 3 Light freezing rain
Light freezing rain
 6° /-1° 0.7 mm 0 cm
Mar. 4 Light freezing rain
Light freezing rain
 5° /-2° 1.3 mm 0 cm
Mar. 5 Light snow
Light snow
 4° /-4° 2.5 mm 1.8 cm
Mar. 6 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Mar. 7 Overcast
Overcast
 5° /-7° 0 mm 0 cm
Mar. 8 Overcast
Overcast
 7° /-5° 0 mm 0 cm
Mar. 9 Partly cloudy
Partly cloudy
 8° /-4° 0 mm 0 cm
Mar. 10 Patchy rain possible
Patchy rain possible
 4° /-5° 0.8 mm 0 cm
Mar. 11 Patchy rain possible
Patchy rain possible
 7° /-4° 0.3 mm 0 cm
Mar. 12 Overcast
Overcast
 9° /-1° 0 mm 0 cm
Mar. 13 Light rain
Light rain
 4° /-2° 4.3 mm 0.5 cm
Mar. 14 Light rain
Light rain
 5° /-6° 3.3 mm 2.1 cm
Mar. 15 Patchy rain possible
Patchy rain possible
 3° /-10° 0.9 mm 0 cm
Mar. 16 Patchy rain possible
Patchy rain possible
 8° /-2° 1.9 mm 0 cm
Mar. 17 Patchy rain possible
Patchy rain possible
 9° /0° 2.4 mm 0 cm
Mar. 18 Cloudy
Cloudy
 10° /-1° 0 mm 0 cm
Mar. 19 Overcast
Overcast
 13° /-2° 0 mm 0 cm
Mar. 20 Patchy rain possible
Patchy rain possible
 12° /2° 0.2 mm 0 cm
Mar. 21 Overcast
Overcast
 11° /-1° 0 mm 0 cm
Mar. 22 Overcast
Overcast
 7° /-2° 0.6 mm 0.2 cm
Mar. 23 Patchy rain possible
Patchy rain possible
 11° /-1° 0.2 mm 0 cm
Mar. 24 Patchy rain possible
Patchy rain possible
 15° /3° 0.1 mm 0 cm
Mar. 25 Cloudy
Cloudy
 15° /2° 0 mm 0 cm
Mar. 26 Partly cloudy
Partly cloudy
 11° /-2° 0 mm 0 cm
Mar. 27 Overcast
Overcast
 16° /-2° 0 mm 0 cm
Mar. 28 Cloudy
Cloudy
 14° /1° 0.2 mm 0 cm
Mar. 29 Overcast
Overcast
 11° /1° 0.2 mm 0 cm
Mar. 30 Moderate snow
Moderate snow
 4° /-2° 8.5 mm 6.2 cm
Mar. 31 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 8° /-5° 6.9 mm 3 cm
Next
Important Notice
Our weather forecast for Lewis and Clark 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 Lewis and Clark County forecast closer to your planned date for the most up-to-date weather information.
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Lewis and Clark County in March - FAQ

What are the expected maximum and minimum temperatures in Lewis and Clark County during March?
Prepare for cooler days with highs just around 8° and colder nights, dipping below -2°.

How much rainfall should be expected in Lewis and Clark County during March?
In March, Lewis and Clark County can expect light to moderate rainfall, totaling 35.2 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Lewis and Clark County in March 2027?
Lewis and Clark County experiences an average snowfall of 13.7 cm during March, occurring over 3 days.

What are the typical wind conditions in Lewis and Clark County during March?
The average wind speed in Lewis and Clark County during March is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Lewis and Clark County snow forecast March 2027

Track daily snowfall levels and discover Lewis and Clark County’s snowy potential this March ❄️
On average, Lewis and Clark County sees 3 snowy days during March, with approximately 13.7 cm of total snowfall.

March rainfall patterns in Lewis and Clark County

Explore the daily rainfall trends and prepare for Lewis and Clark Countys March weather 💧
Typically, Lewis and Clark County has 4 rainy days in March with a total of 35.2 mm of rainfall.
Top locations in Lewis and Clark County
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Helena
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