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Weather in Cass County, North Dakota for May 2026

Your guide to Cass County weather in May - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Cass County usually enjoys a light touch of snow in May.
    According to Cass County snow forecast for May 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • The forecast for the next days in Cass County predicts temperatures to be around 19 °F, close to the historical average.

  • In general, the average temperature in Cass County at the beginning of May is 16.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °F by the end of May.

    • Rain 🌧️

  • The climate of Cass County in May is notably wet, with an average of 11 rainy days, and a total of 182.7 mm of precipitation.

    • More

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

Average dry days
18
Dry days
Average rainy days
11
Rainy days
Average snowy days
2
Snow days
Average temperatures
20°/8°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Cass County Weather May

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

Temperatures trend during May in Cass County

See the weather trend as well as the moving average line

May weather in Cass County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Sunny
Sunny
 15° /3° 8.7 mm 5
May 2 Overcast
Overcast
 15° /4° 4.3 mm 4
May 3 Overcast
Overcast
 20° /5° 0 mm 5
May 4 Patchy rain possible
Patchy rain possible
 18° /5° 0.5 mm 5
May 5 Sunny
Sunny
 22° /7° 0 mm 6
May 6 Partly cloudy
Partly cloudy
 9° /-1° 0 mm 4.5
May 7 Partly cloudy
Partly cloudy
 17° /2° 0 mm 4.2
May 8 Patchy rain possible
Patchy rain possible
 19° /8° 0.2 mm 0.1
May 9 Patchy rain possible
Patchy rain possible
 15° /6° 3.5 mm 2
May 10 Partly cloudy
Partly cloudy
 14° /4° 0 mm 3
May 11 Cloudy
Cloudy
 22° /5° 0 mm 3
May 12 Patchy rain possible
Patchy rain possible
 13° /10° 0.4 mm 3
May 13 Patchy rain possible
Patchy rain possible
 19° /7° 0.4 mm 3
May 14 Partly cloudy
Partly cloudy
 21° /9° 0 mm 4
May 15 Sunny
Sunny
 29° /12° 0 mm 6
May 16 Sunny
Sunny
 23° /13° 0 mm 5
May 17 Sunny
Sunny
 22° /7° 0 mm 4
May 18 Partly cloudy
Partly cloudy
 22° /14° 0 mm 5
May 19 Moderate rain at times
Moderate rain at times
 16° /7° 0.2 mm 4
May 20 Overcast
Overcast
 12° /7° 27.1 mm 3
May 21 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 29.8 mm 3
May 22 Patchy rain possible
Patchy rain possible
 19° /6° 0.2 mm 4
May 23 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /5° 9.2 mm 4
May 24 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /5° 20 mm 4
May 25 Overcast
Overcast
 19° /7° 0 mm 5
May 26 Sunny
Sunny
 22° /9° 0 mm 6
May 27 Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /9° 4.6 mm 5
May 28 Patchy rain possible
Patchy rain possible
 18° /9° 0.1 mm 4
May 29 Sunny
Sunny
 24° /9° 0 mm 7
May 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /12° 8.9 mm 6
May 31 Cloudy
Cloudy
 25° /12° 0 mm 6
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Important Notice
Our weather forecast for Cass County in May 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 Cass County forecast closer to your planned date for the most up-to-date weather information.
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Cass County in May - FAQ

What are the expected maximum and minimum temperatures in Cass County during May?

Enjoy moderate daytime temperatures of up to 20° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Cass County during May?

Significant rainfall exceeding 182.7 mm is expected in Cass County during May, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Cass County in May 2026?

Cass County experiences an average snowfall of 1.945 cm during May, occurring over 2 days.

What are the typical wind conditions in Cass County during May?

The average wind speed in Cass County during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Cass County

Explore the daily rainfall trends and prepare for Cass Countys May weather 💧
Typically, Cass County has 11 rainy days in May with a total of 182.7 mm of rainfall.

UV exposure in Cass County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Top locations in Cass County
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Fargo
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Location coordinates Where is Cass County?

Get accurate weather forecasts for Cass County, located at latitude 46.877 and longitude -96.79. Stay updated with localized weather information tailored for Cass County.

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