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Weather in Grinnell, Iowa, USA

Now
12 °F

Overcast.


Feels Like: -5 °F
Forecast: 30 / 10 °F
Wind: 17 mph from Northwest

Location: Newton Municipal
Current Time: Dec 19, 2025 at 3:07:00 am
Latest Report: Dec 19, 2025 at 2:35 am
Visibility: 10 mi
Pressure: 29.88 "Hg
Humidity: 73%
Dew Point: 5 °F

Upcoming 5 hours

Now 4:00 am 5:00 am 6:00 am 7:00 am 8:00 am
12 °F 11 °F 11 °F 10 °F 9 °F 8 °F

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Forecast for the next 48 hours

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  Friday Saturday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 12 °F 10 °F 26 °F 27 °F 33 °F 34 °F 35 °F
Scatt­erred clouds. Sunny. Broken clouds. Cloudy. Overcast. Overcast. Cloudy.
Feels Like -5 °F -1 °F 16 °F 14 °F 22 °F 25 °F 27 °F
Wind Speed 18 mph 8 mph 10 mph 18 mph 14 mph 12 mph 12 mph
Wind Direction NW
WNW
SSE
SSE
S
WNW
WNW
Humidity 78% 80% 61% 72% 82% 89% 78%
Dew Point 7 °F 5 °F 15 °F 19 °F 28 °F 31 °F 29 °F
Visibility 7 mi 7 mi 7 mi 7 mi 8 mi 6 mi 7 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 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 Friday, December 19, 2025 1:42:36 am Grinnell time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Overcast. 45 / 14 °F
Humidity: 86%. Wind: 20 mph from Northwest

More weather last week

Currently at nearby stations

13 °F

Pella Municipal Airport: (26 mi)

Clear.

9 °F

Marshalltown Municipal Airport: (27 mi)

Passing clouds. (1 hour ago)

14 °F

Knoxville Municipal Airport: (37 mi)

Clear.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
14
15
16
17
18

View historic weather

3

Detailed forecast for 14 days