10-day forecast for Grinnell, IA: 41° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Monday, November 9
73° · 1.16 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0373° / 56°1.16
Morning65°feels 65°
Afternoon73°feels 73°
Evening60°feels 60°
Overnight64°feels 65°
73 °
Grinnell, Tuesday, 3 November
Heavy rain. High 73°, low 56°.
Pressure29.59 inHg
Wind17 mph S
Humidity71%
Visibility6.2 mi
Dew point62°
Wed, 0454° / 50°0
Morning51°feels 49°
Afternoon53°feels 51°
Evening52°feels 50°
Overnight51°feels 50°
54 °
Grinnell, Wednesday, 4 November
Overcast. High 54°, low 50°.
Pressure29.68 inHg
Wind15.4 mph SW
Humidity67%
Visibility6.2 mi
Dew point42°
Thu, 0549° / 48°0.02
Morning49°feels 44°
Afternoon49°feels 45°
Evening48°feels 44°
Overnight48°feels 43°
49 °
Grinnell, Thursday, 5 November
Light rain. High 49°, low 48°.
Pressure29.80 inHg
Wind11.3 mph W
Humidity71%
Visibility6.2 mi
Dew point40°
Fri, 0651° / 47°0
Morning48°feels 43°
Afternoon50°feels 48°
Evening49°feels 46°
Overnight48°feels 44°
51 °
Grinnell, Friday, 6 November
Overcast. High 51°, low 47°.
Pressure30.06 inHg
Wind12 mph N
Humidity66%
Visibility—
Dew point39°
Sat, 0753° / 46°0
Morning47°feels 47°
Afternoon50°feels 48°
Evening48°feels 46°
Overnight47°feels 45°
53 °
Grinnell, Saturday, 7 November
Overcast. High 53°, low 46°.
Pressure30.03 inHg
Wind5.3 mph NE
Humidity68%
Visibility—
Dew point40°
Sun, 0855° / 42°0
Morning46°feels 42°
Afternoon53°feels 51°
Evening47°feels 45°
Overnight45°feels 42°
55 °
Grinnell, Sunday, 8 November
Clear. High 55°, low 42°.
Pressure30.18 inHg
Wind7.5 mph N
Humidity58%
Visibility—
Dew point38°
Mon, 0960° / 41°0
Morning46°feels 42°
Afternoon56°feels 54°
Evening50°feels 48°
Overnight47°feels 45°
60 °
Grinnell, Monday, 9 November
Clear. High 60°, low 41°.
Pressure30.00 inHg
Wind9.6 mph SW
Humidity51%
Visibility—
Dew point37°
Tue, 1056° / 44°0
Morning47°feels 44°
Afternoon54°feels 52°
Evening48°feels 45°
Overnight45°feels 43°
56 °
Grinnell, Tuesday, 10 November
Clear. High 56°, low 44°.
Pressure30.09 inHg
Wind10.9 mph NW
Humidity53%
Visibility—
Dew point37°
Wed, 1155° / 43°0
Morning46°feels 45°
Afternoon53°feels 50°
Evening46°feels 42°
Overnight43°feels 39°
55 °
Grinnell, Wednesday, 11 November
Overcast. High 55°, low 43°.
Pressure30.21 inHg
Wind8.4 mph N
Humidity48%
Visibility—
Dew point34°
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.