10-day forecast for Grimes, IA: 56° to 98°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Monday, August 17
81° · 0.25 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0994° / 75°0
Morning75°feels 76°
Afternoon93°feels 92°
Evening87°feels 93°
Overnight76°feels 78°
94 °
Grimes, Sunday, 9 August
Partly cloudy. High 94°, low 75°.
Pressure29.77 inHg
Wind18.8 mph SW
Humidity37%
Visibility6.2 mi
Dew point64°
Mon, 1096° / 71°0
Morning75°feels 75°
Afternoon96°feels 95°
Evening83°feels 86°
Overnight78°feels 79°
96 °
Grimes, Monday, 10 August
Overcast. High 96°, low 71°.
Pressure29.83 inHg
Wind6.5 mph S
Humidity33%
Visibility6.2 mi
Dew point61°
Tue, 1197° / 70°0.02
Morning70°feels 71°
Afternoon95°feels 97°
Evening84°feels 89°
Overnight73°feels 72°
97 °
Grimes, Tuesday, 11 August
Light rain. High 97°, low 70°.
Pressure29.74 inHg
Wind13.3 mph W
Humidity37%
Visibility6.2 mi
Dew point63°
Wed, 1293° / 71°0.26
Morning74°feels 76°
Afternoon92°feels 93°
Evening83°feels 87°
Overnight75°feels 76°
93 °
Grimes, Wednesday, 12 August
Rain. High 93°, low 71°.
Pressure29.85 inHg
Wind12.7 mph SE
Humidity45%
Visibility6.2 mi
Dew point64°
Thu, 1381° / 65°0.25
Morning70°feels 71°
Afternoon76°feels 77°
Evening75°feels 75°
Overnight65°feels 65°
81 °
Grimes, Thursday, 13 August
Light rain. High 81°, low 65°.
Pressure29.94 inHg
Wind14 mph NE
Humidity65%
Visibility—
Dew point62°
Fri, 1482° / 56°0
Morning63°feels 62°
Afternoon80°feels 79°
Evening75°feels 75°
Overnight63°feels 62°
82 °
Grimes, Friday, 14 August
Clear. High 82°, low 56°.
Pressure30.18 inHg
Wind9.6 mph E
Humidity29%
Visibility—
Dew point43°
Sat, 1583° / 58°0
Morning65°feels 64°
Afternoon80°feels 80°
Evening78°feels 78°
Overnight71°feels 71°
83 °
Grimes, Saturday, 15 August
Overcast. High 83°, low 58°.
Pressure30.21 inHg
Wind13.7 mph S
Humidity42%
Visibility—
Dew point52°
Sun, 1685° / 65°0
Morning70°feels 71°
Afternoon83°feels 86°
Evening83°feels 86°
Overnight72°feels 73°
85 °
Grimes, Sunday, 16 August
Overcast. High 85°, low 65°.
Pressure30.03 inHg
Wind11.5 mph S
Humidity62%
Visibility—
Dew point66°
Mon, 1798° / 69°0
Morning76°feels 78°
Afternoon91°feels 96°
Evening85°feels 89°
Overnight74°feels 75°
98 °
Grimes, Monday, 17 August
Light rain. High 98°, low 69°.
Pressure29.94 inHg
Wind15.1 mph NE
Humidity47%
Visibility—
Dew point66°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Grimes, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.