10-day forecast for Grinnell, IA: 36° to 65°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Sunday, November 1
65° · 0.97 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0265° / 55°0.87
Morning55°feels 55°
Afternoon61°feels 61°
Evening65°feels 65°
Overnight57°feels 57°
65 °
Grinnell, Monday, 2 November
Heavy rain. High 65°, low 55°.
Pressure29.85 inHg
Wind15.9 mph SE
Humidity94%
Visibility2.1 mi
Dew point58°
Tue, 0365° / 52°0.97
Morning63°feels 64°
Afternoon61°feels 61°
Evening57°feels 56°
Overnight65°feels 66°
65 °
Grinnell, Tuesday, 3 November
Heavy rain. High 65°, low 52°.
Pressure29.68 inHg
Wind7 mph NW
Humidity93%
Visibility2.5 mi
Dew point58°
Wed, 0454° / 48°0.04
Morning51°feels 50°
Afternoon53°feels 51°
Evening49°feels 44°
Overnight51°feels 49°
54 °
Grinnell, Wednesday, 4 November
Light rain. High 54°, low 48°.
Pressure29.65 inHg
Wind13.4 mph SW
Humidity71%
Visibility6.2 mi
Dew point44°
Thu, 0553° / 48°0.06
Morning50°feels 46°
Afternoon52°feels 50°
Evening51°feels 49°
Overnight50°feels 48°
53 °
Grinnell, Thursday, 5 November
Light rain. High 53°, low 48°.
Pressure29.77 inHg
Wind15 mph NW
Humidity69%
Visibility—
Dew point41°
Fri, 0654° / 41°0
Morning45°feels 41°
Afternoon53°feels 50°
Evening48°feels 45°
Overnight45°feels 41°
54 °
Grinnell, Friday, 6 November
Overcast. High 54°, low 41°.
Pressure30.00 inHg
Wind9.4 mph NW
Humidity59%
Visibility—
Dew point38°
Sat, 0760° / 42°0
Morning46°feels 42°
Afternoon56°feels 54°
Evening52°feels 49°
Overnight49°feels 45°
60 °
Grinnell, Saturday, 7 November
Overcast. High 60°, low 42°.
Pressure29.71 inHg
Wind17.7 mph NW
Humidity57%
Visibility—
Dew point39°
Sun, 0847° / 39°0
Morning44°feels 36°
Afternoon46°feels 39°
Evening41°feels 34°
Overnight40°feels 34°
47 °
Grinnell, Sunday, 8 November
Overcast. High 47°, low 39°.
Pressure29.77 inHg
Wind18 mph NW
Humidity55%
Visibility—
Dew point31°
Mon, 0952° / 36°0
Morning40°feels 33°
Afternoon49°feels 44°
Evening45°feels 41°
Overnight42°feels 37°
52 °
Grinnell, Monday, 9 November
Clear. High 52°, low 36°.
Pressure30.00 inHg
Wind14.1 mph NW
Humidity57%
Visibility—
Dew point33°
Tue, 1049° / 40°0
Morning43°feels 37°
Afternoon47°feels 42°
Evening41°feels 37°
Overnight40°feels 34°
49 °
Grinnell, Tuesday, 10 November
Overcast. High 49°, low 40°.
Pressure30.18 inHg
Wind13 mph N
Humidity56%
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.