10-day forecast for Grinnell, IA: 38° to 69°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
56°
Best day: Wednesday, November 11
69° · 1.7 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0369° / 52°1.7
Morning63°feels 64°
Afternoon69°feels 69°
Evening57°feels 57°
Overnight63°feels 64°
69 °
Grinnell, Tuesday, 3 November
Heavy rain. High 69°, low 52°.
Pressure29.65 inHg
Wind12.1 mph S
Humidity88%
Visibility6.2 mi
Dew point64°
Wed, 0454° / 50°0.02
Morning50°feels 49°
Afternoon54°feels 52°
Evening52°feels 50°
Overnight50°feels 49°
54 °
Grinnell, Wednesday, 4 November
Light rain. High 54°, low 50°.
Pressure29.71 inHg
Wind15.5 mph W
Humidity67%
Visibility6.2 mi
Dew point43°
Thu, 0551° / 47°0.06
Morning49°feels 44°
Afternoon49°feels 43°
Evening49°feels 45°
Overnight48°feels 43°
51 °
Grinnell, Thursday, 5 November
Light rain. High 51°, low 47°.
Pressure29.77 inHg
Wind13.9 mph W
Humidity92%
Visibility2.9 mi
Dew point47°
Fri, 0650° / 42°0
Morning43°feels 37°
Afternoon49°feels 45°
Evening48°feels 45°
Overnight47°feels 42°
50 °
Grinnell, Friday, 6 November
Overcast. High 50°, low 42°.
Pressure30.03 inHg
Wind11.2 mph N
Humidity65%
Visibility6.2 mi
Dew point38°
Sat, 0753° / 46°0.03
Morning48°feels 46°
Afternoon52°feels 49°
Evening49°feels 47°
Overnight48°feels 44°
53 °
Grinnell, Saturday, 7 November
Light rain. High 53°, low 46°.
Pressure30.00 inHg
Wind12.9 mph W
Humidity55%
Visibility—
Dew point36°
Sun, 0849° / 45°0.01
Morning47°feels 40°
Afternoon47°feels 41°
Evening46°feels 40°
Overnight46°feels 41°
49 °
Grinnell, Sunday, 8 November
Light rain. High 49°, low 45°.
Pressure29.91 inHg
Wind16.6 mph N
Humidity61%
Visibility—
Dew point35°
Mon, 0956° / 38°0
Morning42°feels 38°
Afternoon51°feels 48°
Evening48°feels 44°
Overnight45°feels 40°
56 °
Grinnell, Monday, 9 November
Overcast. High 56°, low 38°.
Pressure30.00 inHg
Wind11 mph SW
Humidity58%
Visibility—
Dew point35°
Tue, 1052° / 38°0
Morning41°feels 37°
Afternoon49°feels 46°
Evening45°feels 41°
Overnight42°feels 38°
52 °
Grinnell, Tuesday, 10 November
Partly cloudy. High 52°, low 38°.
Pressure30.15 inHg
Wind9.1 mph NW
Humidity48%
Visibility—
Dew point30°
Wed, 1156° / 42°0
Morning47°feels 45°
Afternoon53°feels 51°
Evening45°feels 40°
Overnight42°feels 37°
56 °
Grinnell, Wednesday, 11 November
Overcast. High 56°, low 42°.
Pressure29.94 inHg
Wind12.3 mph NW
Humidity58%
Visibility—
Dew point39°
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.