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February 18th, 2026 :: 1:48 pm CST   

Local Weather Report for
Grinnell
Iowa, United States

 Current Grinnell Weather Conditions Updated February 18th at 12:55 pm 
Temperature:59°F Dew Point:3°F
Barometer:29.53 inHg Wind:N 51 Mph
Humidity:9.6% Visibility:0M
 
 Grinnell Weather Forecast Summary  
 
Today
Feb 18th
Thursday
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Sunday
Feb 22nd
Cloudy Cloudy Cloudy Cloudy Cloudy
62°F
54°F
35°F
36°F
25°F
33°F
22°F
23°F
14°F
 
 Grinnell Detailed Weather Forecast  
 
Wednesday, February 18th, 2026
Afternoon Temperature: 54°F
Cloudy.
Evening Temperature: 47°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 38°F
Cloudy. Windy at times.
Morning Temperature: 47°F
Cloudy with a slight chance of showers. Windy at times.
Afternoon Temperature: 49°F
Cloudy. Windy at times.
Evening Temperature: 38°F
Cloudy. Windy.
Friday, February 20th, 2026
Overnight Temperature: 28°F
A mix of cloudy and clear skies. Windy.
Morning Temperature: 31°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 31°F
Sunny. Windy at times.
Evening Temperature: 26°F
Cloudy.
Saturday, February 21st, 2026
Overnight Temperature: 23°F
Cloudy.
Morning Temperature: 29°F
Cloudy. Windy at times.
Afternoon Temperature: 30°F
Cloudy. Windy at times.
Evening Temperature: 24°F
Clear with cloudy periods. Windy at times.
Sunday, February 22nd, 2026
Overnight Temperature: 19°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 20°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 18°F
Sunny. Windy.
Evening Temperature: 15°F
Clear with cloudy periods. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 13°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 23°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 25°F
Sunny.
Evening Temperature: 22°F
Clear with cloudy periods.
Tuesday, February 24th, 2026
Overnight Temperature: 21°F
Cloudy. Windy at times.
Morning Temperature: 38°F
Cloudy. Windy.
Afternoon Temperature: 43°F
Cloudy. Windy at times.
Evening Temperature: 41°F
Cloudy. Windy.
Wednesday, February 25th, 2026
Overnight Temperature: 41°F
Cloudy. Windy.
Morning Temperature: 43°F
Cloudy. Windy at times.
Afternoon Temperature: 38°F
Cloudy. Windy at times.
Evening Temperature: 35°F
Cloudy.





 

  [ Local Weather Report ]
Westfield, IA 
12:55 PM  59°F
 
 
Newton, IA 
12:55 PM  59°F
 
 
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Lambs Grove, IA 
 
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Belle Plaine, IA 
 
Pella, IA 
12:55 PM  61°F
 
 
Marshalltown, IA 
12:53 PM  59°F
 
 
Albion, IA 
12:53 PM  59°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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