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Weather in Grinnell, Iowa, USA

Now
16 °F

Partly sunny.


Feels Like: 7 °F
Forecast: 35 / 16 °F
Wind: 6 mph from West

Location: Newton Municipal
Current Time: Jan 21, 2026 at 8:35:20 am
Latest Report: Jan 21, 2026 at 7:55 am
Visibility: 10 mi
Pressure: 30.00 "Hg
Humidity: 100%
Dew Point: 16 °F
Location of GrinnellLocation

Upcoming 5 hours

Now9:00 am10:00 am11:00 am12:00 pm1:00 pm
16 °F19 °F22 °F26 °F28 °F31 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature19 °F34 °F21 °F14 °F17 °F23 °F12 °F
Sunny.Light snow. Overcast.Clear.Clear.Cloudy.Overcast.Light snow. Overcast.
Feels Like8 °F23 °F8 °F1 °F7 °F11 °F-4 °F
Wind Speed9 mph18 mph13 mph11 mph8 mph14 mph15 mph
Wind DirectionWSW
WSW
NW
W
W
NW
N
Humidity84%61%66%75%70%59%70%
Dew Point15 °F22 °F11 °F8 °F9 °F11 °F4 °F
Visibility7 mi5 mi6 mi7 mi6 mi6 mi5 mi
Probability of Precipitation0%10%0%0%0%3%5%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.08"0.00"0.00"0.00"0.00"0.16"
* Updated Wednesday, January 21, 2026 1:42:40 am Grinnell time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Sunny. 21 / -2 °F
Humidity: 72%. Wind: 4 mph from Southeast

More weather last week

Currently at nearby stations

18 °F

Pella Municipal Airport: (26 mi)

Overcast.

19 °F

Marshalltown Municipal Airport: (27 mi)

More clouds than sun.

16 °F

Knoxville Municipal Airport: (37 mi)

Passing clouds.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days