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Weather in Grinnell, Iowa, USA

Now
19 °F

More clouds than sun.


Feels Like: 10 °F
Forecast: 35 / 16 °F
Wind: 7 mph from Southwest

Location: Newton Municipal
Current Time: Jan 21, 2026 at 9:05:58 am
Latest Report: Jan 21, 2026 at 8:55 am
Visibility: 10 mi
Pressure: 29.99 "Hg
Humidity: 93%
Dew Point: 18 °F
Location of GrinnellLocation

Upcoming 5 hours

Now10:00 am11:00 am12:00 pm1:00 pm2:00 pm
19 °F23 °F27 °F29 °F33 °F35 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature20 °F36 °F21 °F15 °F18 °F25 °F12 °F
Sunny.Light snow. Overcast.Clear.Mostly clear.Overcast.Overcast.Overcast.
Feels Like9 °F25 °F8 °F1 °F6 °F13 °F-4 °F
Wind Speed9 mph18 mph15 mph13 mph10 mph14 mph15 mph
Wind DirectionW
WSW
NW
W
WSW
NW
N
Humidity85%59%68%79%72%58%69%
Dew Point16 °F23 °F12 °F10 °F11 °F12 °F4 °F
Visibility6 mi7 mi7 mi6 mi7 mi7 mi6 mi
Probability of Precipitation0%10%0%0%0%5%3%
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"0.00"
* Updated Wednesday, January 21, 2026 7:42:43 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

20 °F

Pella Municipal Airport: (26 mi)

Overcast.

19 °F

Marshalltown Municipal Airport: (27 mi)

More clouds than sun.

23 °F

Knoxville Municipal Airport: (37 mi)

Scattered 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