National Weather Service forecast

Grinnell, Iowa Weather

46°Overnight: Slight Chance Rain Showers
Wind WSW 7 to 13 mph
7-DayHourlyRadar

Grinnell 7-Day Forecast

  1. Overnight
    46°F
    Slight Chance Rain Showers
    17% chance of precipitation

    A slight chance of rain showers after 5am. Cloudy, with a low around 46. West southwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

  2. Wednesday
    52°F
    Slight Chance Rain Showers
    20% chance of precipitation

    A slight chance of rain showers before 1pm. Cloudy. High near 52, with temperatures falling to around 50 in the afternoon. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

  3. Wednesday Night
    43°F
    Cloudy
    11% chance of precipitation

    Cloudy. Low around 43, with temperatures rising to around 45 overnight. West wind around 12 mph, with gusts as high as 21 mph.

  4. Thursday
    54°F
    Chance Rain Showers
    48% chance of precipitation

    A chance of rain showers between 9am and 1pm. Cloudy. High near 54, with temperatures falling to around 52 in the afternoon. Northwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    38°F
    Mostly Cloudy
    10% chance of precipitation

    Mostly cloudy, with a low around 38. North wind around 8 mph.

  6. Friday
    49°F
    Mostly Sunny
    3% chance of precipitation

    Mostly sunny, with a high near 49.

  7. Friday Night
    29°F
    Partly Cloudy

    Partly cloudy, with a low around 29.

  8. Saturday
    51°F
    Mostly Sunny

    Mostly sunny, with a high near 51.

  9. Saturday Night
    34°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 34.

  10. Sunday
    58°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 58.

  11. Sunday Night
    35°F
    Clear

    Clear, with a low around 35.

  12. Monday
    63°F
    Sunny

    Sunny, with a high near 63.

  13. Monday Night
    40°F
    Clear

    Clear, with a low around 40.

  14. Tuesday
    63°F
    Sunny

    Sunny, with a high near 63.

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

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About Grinnell

Population (2020 Census)
9,564
Coordinates
41.735, -92.725
Elevation
1,020 ft
NWS forecast office
DMX
Time zone
America/Chicago
Sunrise today
6:46 AM CST
Sunset today
5:02 PM CST
Daylight today
10 h 16 min

Grinnell Weather Questions

What is the weather forecast for Grinnell, Iowa?

Overnight: A slight chance of rain showers after 5am. Cloudy, with a low around 46. West southwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. Wednesday: A slight chance of rain showers before 1pm. Cloudy. High near 52, with temperatures falling to around 50 in the afternoon. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Will it rain or snow in Grinnell this week?

The best chance of precipitation is Thursday at 48%. Periods with a 30% chance or more: Thursday (48%).

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

The warmest day is Monday, with a high near 63°F. The coldest night is Friday Night, with a low near 29°F.

What time are sunrise and sunset in Grinnell today?

Sunrise is at 6:46 AM CST and sunset is at 5:02 PM CST, for 10 h 16 min of daylight.

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