Grimes, IA 14 Day Weather - 50111 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


Grimes, IA Weather Forecast


Grimes, IA Weather Forecast Dated: 733 AM Mon Sep 14 2026
Expect a mild stretch with more clouds than sun and frequent chances of rain over the coming period. moderate humidity and a stable pattern will dominate. Isolated storms at times.
Monday, September 14, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
78°F 26°C
Light Showers
Pleasant near 73°F 23°C, drier morning followed by showers lasting through evening, with increasing humidity and barometric pressure falling. A stray shower or storm late in the day. Winds turning from the SE to the S at 18 mph 29 km/h. Gusts up to 36 mph 58 km/h.
Tuesday, September 15, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
58°F 15°C
Light Showers
Early-Evening
62°F 17°C
Scattered Showers
Mildly cool near 58°F 15°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds tapering down from N 12 mph 19 km/h to NE 4 mph 6 km/h.
Wednesday, September 16, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
58°F 14°C
Light Showers
Chilly near 57°F 14°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds moving from the E to the ENE at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
68°F 20°C
Overcast
Mild temperatures up to 69°F 21°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the E to the ESE at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
72°F 22°C
Partly Cloudy
Mild with a high of 68°F 20°C, clouds building with afternoon showers likely, with lower humidity and steady pressure. Winds blowing from the SE at 15 mph 23 km/h. Gusts up to 30 mph 48 km/h.
Saturday, September 19, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
65°F 18°C
Overcast
Pleasant near 73°F 23°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure rising. Winds turning from the WSW to the NNE at 11 mph 18 km/h. Gusts up to 23 mph 38 km/h.
Sunday, September 20, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
60°F 16°C
Overcast
Comfortable at 62°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the NNE to the E at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
65°F 18°C
Partly Cloudy
Early-Evening
61°F 17°C
Overcast
Cool with a high near 65°F 18°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the ESE to the SE at 8 mph 12 km/h.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
69°F 20°C
Partly Cloudy
Early-Evening
63°F 18°C
Overcast
Mild temperatures up to 69°F 20°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
66°F 19°C
Overcast
Mild with a high of 72°F 22°C, overcast throughout the day, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
69°F 21°C
Overcast
Pleasant near 74°F 24°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds S at 12 mph 19 km/h.
Friday, September 25, 2026
Mid-Morning
67°F 19°C
Scattered Showers
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 80°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the SSW at 14 mph 22 km/h.
Saturday, September 26, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
78°F 26°C
Overcast
Enjoyable around 79°F 26°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the SW at 9 mph 15 km/h.
Sunday, September 27, 2026
Mid-Morning
71°F 22°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
79°F 26°C
Overcast
Warm temperatures up to 88°F 31°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSW to the S at 9 mph 15 km/h.
Grimes, IA Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World