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January 18th, 2026 :: 2:12 pm CST   

Local Weather Report for
Grinnell
Iowa, United States

 Current Grinnell Weather Conditions Updated January 18th at 12:55 pm 
Overcast
Temperature:18°F Dew Point:7°F
Barometer:29.89 inHg Wind:N 24 Mph
Humidity:59.9% Visibility:0M
 
 Grinnell Weather Forecast Summary  
 
Today
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Thursday
Jan 22nd
Cloudy Cloudy Cloudy Cloudy Cloudy
20°F
13°F
1°F
29°F
6°F
30°F
16°F
24°F
15°F
 
 Grinnell Detailed Weather Forecast  
 
Sunday, January 18th, 2026
Afternoon Temperature: 18°F
Cloudy with a slight chance of flurries. Windy at times.
Evening Temperature: 8°F
Cloudy. Windy.
Monday, January 19th, 2026
Overnight Temperature: 2°F
Clear with cloudy periods. Windy.
Morning Temperature: 8°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 13°F
Cloudy.
Evening Temperature: 11°F
A mix of cloudy and clear skies.
Tuesday, January 20th, 2026
Overnight Temperature: 7°F
Clear.
Morning Temperature: 15°F
Cloudy.
Afternoon Temperature: 21°F
Cloudy.
Evening Temperature: 26°F
Cloudy. Windy at times.
Wednesday, January 21st, 2026
Overnight Temperature: 25°F
Clear with cloudy periods. Windy.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Sunny with cloudy periods with a slight chance of flurries. Windy.
Evening Temperature: 18°F
Clear with cloudy periods.
Thursday, January 22nd, 2026
Overnight Temperature: 16°F
Cloudy. Windy at times.
Morning Temperature: 20°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 18°F
Sunny with cloudy periods.
Evening Temperature: 19°F
Cloudy. Windy at times.
Friday, January 23rd, 2026
Overnight Temperature: 26°F
Cloudy. Windy at times.
Morning Temperature: 33°F
Cloudy.
Afternoon Temperature: 26°F
Cloudy. Windy.
Evening Temperature: 17°F
Cloudy. Windy.
Saturday, January 24th, 2026
Overnight Temperature: 8°F
Cloudy. Windy.
Morning Temperature: 3°F
Cloudy. Windy.
Afternoon Temperature: 0°F
Cloudy. Windy at times.
Evening Temperature: -4°F
Cloudy. Windy at times.
Sunday, January 25th, 2026
Overnight Temperature: -8°F
Clear. Windy at times.
Morning Temperature: -2°F
Sunny. Windy at times.
Afternoon Temperature: 3°F
Sunny.
Evening Temperature: 4°F
Mostly cloudy.
Monday, January 26th, 2026
Overnight Temperature: 5°F
Clear with cloudy periods.
Morning Temperature: 15°F
Sunny.
Afternoon Temperature: 18°F
Sunny.
Evening Temperature: 15°F
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
Westfield, IA 
12:55 PM  18°F
Overcast
 
Newton, IA 
12:55 PM  19°F
Overcast
 
Tama, IA 
 
Lambs Grove, IA 
 
Toledo, IA 
 
Belle Plaine, IA 
 
Pella, IA 
12:55 PM  21°F
Overcast
 
Marshalltown, IA 
12:53 PM  16°F
Overcast
 
Albion, IA 
12:53 PM  16°F
Overcast
 
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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