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Johnson County (Iowa City)
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United States weather

Weather in Johnson County, Iowa for March 2026

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

    Snow Forecast ❄️

  • With an average of 4 snowy days, Johnson County usually enjoys a light touch of snow in March.

    • Temperatures

  • In general, the average temperature in Johnson County at the beginning of March is 6.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.3 °F by the end of March.

    • More

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

Average dry days
16
Dry days
Average rainy days
11
Rainy days
Average snowy days
4
Snow days
Average temperatures
13°/1°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Johnson County Weather March

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

Temperatures trend during March in Johnson County

See the weather trend as well as the moving average line

March weather in Johnson County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Partly cloudy
Partly cloudy
 2° /-3° 0 mm 0 cm
Mar. 2 Overcast
Overcast
 5° /-7° 0 mm 0 cm
Mar. 3 Patchy moderate snow
Patchy moderate snow
 14° /-1° 0.8 mm 0.4 cm
Mar. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /6° 19 mm 0 cm
Mar. 5 Moderate snow
Moderate snow
 5° /-2° 10.7 mm 4 cm
Mar. 6 Cloudy
Cloudy
 7° /-5° 0 mm 0 cm
Mar. 7 Patchy moderate snow
Patchy moderate snow
 1° /-1° 5.2 mm 1.5 cm
Mar. 8 Overcast
Overcast
 9° /-4° 0 mm 0 cm
Mar. 9 Overcast
Overcast
 14° /-2° 0 mm 0 cm
Mar. 10 Sunny
Sunny
 20° /0° 0 mm 0 cm
Mar. 11 Overcast
Overcast
 13° /3° 0 mm 0 cm
Mar. 12 Overcast
Overcast
 16° /-1° 0 mm 0 cm
Mar. 13 Sunny
Sunny
 19° /1° 0 mm 0 cm
Mar. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /12° 20.2 mm 0 cm
Mar. 15 Overcast
Overcast
 11° /2° 1 mm 0 cm
Mar. 16 Overcast
Overcast
 6° /-2° 1.4 mm 0 cm
Mar. 17 Cloudy
Cloudy
 17° /-1° 0 mm 0 cm
Mar. 18 Overcast
Overcast
 22° /4° 0 mm 0 cm
Mar. 19 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /1° 36 mm 0 cm
Mar. 20 Sunny
Sunny
 8° /-3° 0.8 mm 0.4 cm
Mar. 21 Overcast
Overcast
 13° /0° 0.5 mm 0 cm
Mar. 22 Cloudy
Cloudy
 9° /-2° 0 mm 0 cm
Mar. 23 Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /4° 8.7 mm 0 cm
Mar. 24 Overcast
Overcast
 11° /0° 0 mm 0 cm
Mar. 25 Patchy rain possible
Patchy rain possible
 13° /4° 2.5 mm 0 cm
Mar. 26 Overcast
Overcast
 14° /1° 0.6 mm 0 cm
Mar. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /5° 1.9 mm 0 cm
Mar. 28 Overcast
Overcast
 24° /10° 6.6 mm 0 cm
Mar. 29 Patchy rain possible
Patchy rain possible
 20° /14° 0.1 mm 0 cm
Mar. 30 Fog
Fog
 17° /4° 0 mm 0 cm
Mar. 31 Partly cloudy
Partly cloudy
 11° /0° 0 mm 0 cm
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Important Notice
Our weather forecast for Johnson 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 Johnson County forecast closer to your planned date for the most up-to-date weather information.
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Johnson County in March - FAQ

What are the expected maximum and minimum temperatures in Johnson County during March?
Prepare for cooler days with highs just around 13° and colder nights, dipping below 1°.
How much rainfall should be expected in Johnson County during March?
Significant rainfall exceeding 115.9 mm is expected in Johnson County during March, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Johnson County in March 2026?
Johnson County experiences an average snowfall of 6.2 cm during March, occurring over 4 days.
What are the typical wind conditions in Johnson County during March?
The average wind speed in Johnson County during March is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

Johnson County snow forecast March 2026

Track daily snowfall levels and discover Johnson County’s snowy potential this March ❄️

March rainfall patterns in Johnson County

Explore the daily rainfall trends and prepare for Johnson Countys March weather 💧

UV exposure in Johnson County during March

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

Get accurate weather forecasts for Johnson County, located at latitude 41.661 and longitude -91.53. Stay updated with localized weather information tailored for Johnson County.

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