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January 12th, 2026 :: 7:11 pm CST   

Local Weather Report for
Grinnell
Iowa, United States

 Current Grinnell Weather Conditions Updated January 12th at 5:55 pm 
Temperature:41°F Dew Point:30°F
Barometer:30.06 inHg Wind:calm
Humidity:65.1% Visibility:0M
 
 Grinnell Weather Forecast Summary  
 
Today
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Cloudy Cloudy Mostly Sunny Cloudy Cloudy
45°F
49°F
37°F
36°F
19°F
27°F
16°F
36°F
14°F
 
 Grinnell Detailed Weather Forecast  
 
Monday, January 12th, 2026
Evening Temperature: 36°F
Cloudy.
Tuesday, January 13th, 2026
Overnight Temperature: 38°F
Cloudy. Windy at times.
Morning Temperature: 45°F
Cloudy. Windy at times.
Afternoon Temperature: 47°F
Cloudy. Windy at times.
Evening Temperature: 42°F
Cloudy. Windy at times.
Wednesday, January 14th, 2026
Overnight Temperature: 31°F
Clear with cloudy periods. Windy.
Morning Temperature: 25°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 22°F
Sunny. Windy.
Evening Temperature: 19°F
Clear. Windy at times.
Thursday, January 15th, 2026
Overnight Temperature: 17°F
Clear. Windy at times.
Morning Temperature: 22°F
Cloudy.
Afternoon Temperature: 26°F
Cloudy.
Evening Temperature: 26°F
Cloudy with a chance of flurries. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: 26°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Cloudy. Windy at times.
Evening Temperature: 16°F
Cloudy with a chance of flurries. Windy.
Saturday, January 17th, 2026
Overnight Temperature: 10°F
Cloudy. Windy.
Morning Temperature: 6°F
Cloudy. Windy.
Afternoon Temperature: 6°F
Sunny. Windy at times.
Evening Temperature: 6°F
Clear with cloudy periods. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: 8°F
Cloudy.
Morning Temperature: 20°F
Cloudy. Windy at times.
Afternoon Temperature: 23°F
Mostly sunny.
Evening Temperature: 24°F
A mix of cloudy and clear skies.
Monday, January 19th, 2026
Overnight Temperature: 34°F
Clear. Windy.
Morning Temperature: 35°F
Sunny. Wind 25 to 40 mph.
Afternoon Temperature: 29°F
Sunny.
Evening Temperature: 29°F
Cloudy.
Tuesday, January 20th, 2026
Overnight Temperature: 32°F
Cloudy. Windy at times.
Morning Temperature: 31°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 25°F
A mix of cloud and sun.
Evening Temperature: 24°F
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
Westfield, IA 
5:55 PM  41°F
 
 
Newton, IA 
5:55 PM  39°F
 
 
Tama, IA 
 
Lambs Grove, IA 
 
Toledo, IA 
 
Belle Plaine, IA 
 
Pella, IA 
5:55 PM  45°F
 
 
Marshalltown, IA 
5:53 PM  43°F
 
 
Albion, IA 
5:53 PM  43°F
 
 
Oskaloosa, IA 

 
This WeatherCity Weather Forecast for Grinnell, Iowa, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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