10-day forecast for Grinnell, IA: 24° to 60°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
59°
Best day: Friday, November 20
44° · 0.07 in
Worst day: Tuesday, November 24
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1654° / 26°0
Morning34°feels 28°
Afternoon54°feels 51°
Evening38°feels 31°
Overnight28°feels 22°
54 °
Grinnell, Monday, 16 November
Overcast. High 54°, low 26°.
Pressure30.45 inHg
Wind9.6 mph S
Humidity54%
Visibility6.2 mi
Dew point33°
Tue, 1755° / 33°0
Morning38°feels 32°
Afternoon55°feels 53°
Evening47°feels 40°
Overnight36°feels 29°
55 °
Grinnell, Tuesday, 17 November
Mostly clear. High 55°, low 33°.
Pressure30.39 inHg
Wind12.1 mph S
Humidity55%
Visibility6.2 mi
Dew point37°
Wed, 1856° / 41°0
Morning42°feels 35°
Afternoon56°feels 54°
Evening51°feels 49°
Overnight43°feels 36°
56 °
Grinnell, Wednesday, 18 November
Overcast. High 56°, low 41°.
Pressure30.15 inHg
Wind17.1 mph S
Humidity55%
Visibility6.2 mi
Dew point38°
Thu, 1960° / 43°0.02
Morning50°feels 45°
Afternoon60°feels 58°
Evening47°feels 45°
Overnight50°feels 49°
60 °
Grinnell, Thursday, 19 November
Light rain. High 60°, low 43°.
Pressure30.18 inHg
Wind11.5 mph W
Humidity52%
Visibility6.2 mi
Dew point42°
Fri, 2059° / 37°0
Morning46°feels 42°
Afternoon56°feels 54°
Evening57°feels 56°
Overnight53°feels 51°
59 °
Grinnell, Friday, 20 November
Overcast. High 59°, low 37°.
Pressure30.15 inHg
Wind17 mph S
Humidity66%
Visibility—
Dew point42°
Sat, 2158° / 44°0.14
Morning55°feels 54°
Afternoon54°feels 52°
Evening47°feels 43°
Overnight46°feels 42°
58 °
Grinnell, Saturday, 21 November
Light rain. High 58°, low 44°.
Pressure29.80 inHg
Wind17.9 mph S
Humidity82%
Visibility—
Dew point49°
Sun, 2247° / 38°0
Morning40°feels 35°
Afternoon46°feels 42°
Evening41°feels 37°
Overnight39°feels 34°
47 °
Grinnell, Sunday, 22 November
Overcast. High 47°, low 38°.
Pressure30.21 inHg
Wind8.5 mph NW
Humidity60%
Visibility—
Dew point32°
Mon, 2344° / 33°0
Morning35°feels 29°
Afternoon42°feels 35°
Evening38°feels 31°
Overnight37°feels 30°
44 °
Grinnell, Monday, 23 November
Partly cloudy. High 44°, low 33°.
Pressure30.33 inHg
Wind12 mph E
Humidity57%
Visibility—
Dew point27°
Tue, 2444° / 35°0.07
Morning38°feels 31°
Afternoon43°feels 37°
Evening40°feels 36°
Overnight39°feels 33°
44 °
Grinnell, Tuesday, 24 November
Light rain. High 44°, low 35°.
Pressure30.18 inHg
Wind12.4 mph SE
Humidity66%
Visibility—
Dew point32°
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 Grinnell, 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.