Monthly Weather Forecast for Johnston, Iowa 50131 - weather.com

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Monthly Weather-

As of 11:57 pm CDT

Sun
mon
tue
wed
thu
fri
sat

Night

39°

3%

NNE 8 mph

Mainly clear skies. Low 39F. Winds NNE at 5 to 10 mph.

Record Low-4°
Average Low27°
Moonrise1:08 am
Moonset10:11 am
Waning Gibbous

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Mar 9	High	Low	Precip
Averages	46°F	27°	--
Records	79°(2025)	-6°(1948)	--

Reported Conditions
Yesterday	71°	51°	0.00 in
Last 7 Days	71°	30°	1.27
Month to Date	71°	25°	1.27

Historical Monthly Avg
March	49°	30°	2.17
April	62°	41°	4.02
May	72°	52°	5.24

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