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Weather in Grinnell, Iowa, USA

Now
50 °F

Sunny.


Feels Like: 48 °F
Forecast: 86 / 48 °F
Wind: 6 mph from Southeast

Location: Newton Municipal
Current Time: Mar 21, 2026 at 8:35:51 am
Latest Report: Mar 21, 2026 at 7:55 am
Visibility: 10 mi
Pressure: 29.85 "Hg
Humidity: 88%
Dew Point: 46 °F

Upcoming 5 hours

Now 9:00 am 10:00 am 11:00 am 12:00 pm 1:00 pm
50 °F 54 °F 61 °F 68 °F 74 °F 79 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 54 °F 84 °F 68 °F 60 °F 50 °F 54 °F 41 °F
Scatt­erred clouds. Sunny. Mostly clear. Overcast. Cloudy. Overcast. Overcast.
Feels Like 51 °F 82 °F 68 °F 59 °F 43 °F 49 °F 35 °F
Wind Speed 10 mph 13 mph 9 mph 8 mph 21 mph 19 mph 11 mph
Wind Direction SSW
WSW
SSW
SW
N
N
N
Humidity 71% 26% 42% 57% 83% 51% 71%
Dew Point 45 °F 46 °F 44 °F 45 °F 45 °F 37 °F 32 °F
Visibility 7 mi 8 mi 6 mi 8 mi 6 mi 7 mi 6 mi
Probability of Precipitation 0% 0% 0% 0% 0% 2% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Saturday, March 21, 2026 2:42:42 am Grinnell time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Sunny. 79 / 50 °F
Humidity: 54%. Wind: 11 mph from North

More weather last week

Currently at nearby stations

50 °F

Pella Municipal Airport: (26 mi)

Sunny.

46 °F

Marshalltown Municipal Airport: (27 mi)

Sunny.

55 °F

Knoxville Municipal Airport: (37 mi)

Partly sunny.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
15
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20

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Detailed forecast for 14 days