National Weather Service forecast

Johnston, Iowa Weather

46°Overnight: Slight Chance Rain Showers
Wind WNW 14 mph
7-DayHourlyRadar

Johnston 7-Day Forecast

  1. Overnight
    46°F
    Slight Chance Rain Showers
    23% chance of precipitation

    A slight chance of rain showers. Cloudy, with a low around 46. West northwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    53°F
    Slight Chance Rain Showers then Mostly Cloudy
    17% chance of precipitation

    A slight chance of rain showers before 8am. Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. West wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

  3. Wednesday Night
    43°F
    Mostly Cloudy then Chance Rain Showers
    25% chance of precipitation

    A chance of rain showers after 3am. Mostly cloudy. Low around 43, with temperatures rising to around 45 overnight. West wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

  4. Thursday
    53°F
    Chance Rain Showers then Mostly Cloudy
    39% chance of precipitation

    A chance of rain showers before 11am. Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Northwest wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

  5. Thursday Night
    40°F
    Mostly Cloudy
    6% chance of precipitation

    Mostly cloudy, with a low around 40. North northwest wind 5 to 9 mph.

  6. Friday
    50°F
    Partly Sunny
    5% chance of precipitation

    Partly sunny, with a high near 50.

  7. Friday Night
    31°F
    Partly Cloudy
    2% chance of precipitation

    Partly cloudy, with a low around 31.

  8. Saturday
    53°F
    Mostly Sunny
    2% chance of precipitation

    Mostly sunny, with a high near 53.

  9. Saturday Night
    36°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 36.

  10. Sunday
    60°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 60.

  11. Sunday Night
    38°F
    Clear

    Clear, with a low around 38.

  12. Monday
    65°F
    Sunny

    Sunny, with a high near 65.

  13. Monday Night
    41°F
    Mostly Clear

    Mostly clear, with a low around 41.

  14. Tuesday
    64°F
    Sunny

    Sunny, with a high near 64.

Issued by the National Weather Service (DMX office), updated .

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About Johnston

Population (2020 Census)
24,064
Coordinates
41.692, -93.725
Elevation
846 ft
NWS forecast office
DMX
Time zone
America/Chicago
Sunrise today
6:50 AM CST
Sunset today
5:06 PM CST
Daylight today
10 h 16 min

Johnston Weather Questions

What is the weather forecast for Johnston, Iowa?

Overnight: A slight chance of rain showers. Cloudy, with a low around 46. West northwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. Wednesday: A slight chance of rain showers before 8am. Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. West wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Will it rain or snow in Johnston this week?

The best chance of precipitation is Thursday at 39%. Periods with a 30% chance or more: Thursday (39%).

How warm and how cold will it get in Johnston this week?

The warmest day is Monday, with a high near 65°F. The coldest night is Friday Night, with a low near 31°F.

What time are sunrise and sunset in Johnston today?

Sunrise is at 6:50 AM CST and sunset is at 5:06 PM CST, for 10 h 16 min of daylight.

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