National Weather Service Forecast for: Marion IA
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 8:01 am CDT May 29, 2026
 
Today

Today: Partly sunny, with a high near 84. East wind around 5 mph.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, with a low around 62. East wind around 5 mph.
Mostly Cloudy

 Saturday

Saturday: Mostly cloudy, with a high near 80. East wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Saturday
Night
Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. East wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy
then Slight
Chance
Showers
 Sunday

Sunday: Partly sunny, with a high near 81.
Partly Sunny

 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Partly Cloudy
then Chance
T-storms
 Monday

Monday: Mostly sunny, with a high near 85.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 58.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 83.
Sunny
Hi 84 °F Lo 62 °F Hi 80 °F Lo 59 °F Hi 81 °F Lo 60 °F Hi 85 °F Lo 58 °F Hi 83 °F

 

Today
 
 Partly sunny, with a high near 84. East wind around 5 mph.
Tonight
 
 Mostly cloudy, with a low around 62. East wind around 5 mph.
Saturday
 
 Mostly cloudy, with a high near 80. East wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. East wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
 
 Partly sunny, with a high near 81.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Monday
 
 Mostly sunny, with a high near 85.
Monday Night
 
 Mostly clear, with a low around 58.
Tuesday
 
 Sunny, with a high near 83.
Tuesday Night
 
 Mostly clear, with a low around 57.
Wednesday
 
 Sunny, with a high near 85.
Wednesday Night
 
 Partly cloudy, with a low around 60.
Thursday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Marion IA.