10-day forecast for Keystone, IA: 40° to 68°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Sunday, November 1
59° · 0.56 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0167° / 51°0
Morning55°feels 55°
Afternoon67°feels 67°
Evening61°feels 61°
Overnight56°feels 55°
67 °
Keystone, Sunday, 1 November
Partly cloudy. High 67°, low 51°.
Pressure30.27 inHg
Wind11 mph SE
Humidity68%
Visibility6.2 mi
Dew point55°
Mon, 0261° / 55°0.22
Morning55°feels 54°
Afternoon61°feels 61°
Evening60°feels 60°
Overnight56°feels 55°
61 °
Keystone, Monday, 2 November
Rain. High 61°, low 55°.
Pressure29.91 inHg
Wind17.8 mph SE
Humidity79%
Visibility6.2 mi
Dew point54°
Tue, 0368° / 61°0.26
Morning63°feels 64°
Afternoon66°feels 67°
Evening61°feels 62°
Overnight62°feels 62°
68 °
Keystone, Tuesday, 3 November
Rain. High 68°, low 61°.
Pressure29.71 inHg
Wind16 mph S
Humidity94%
Visibility2.3 mi
Dew point64°
Wed, 0461° / 48°0.06
Morning48°feels 43°
Afternoon53°feels 51°
Evening51°feels 49°
Overnight58°feels 58°
61 °
Keystone, Wednesday, 4 November
Light rain. High 61°, low 48°.
Pressure29.71 inHg
Wind11.2 mph NW
Humidity71%
Visibility6.2 mi
Dew point42°
Thu, 0557° / 52°0.02
Morning53°feels 52°
Afternoon56°feels 55°
Evening55°feels 53°
Overnight54°feels 52°
57 °
Keystone, Thursday, 5 November
Light rain. High 57°, low 52°.
Pressure29.83 inHg
Wind13.1 mph N
Humidity70%
Visibility—
Dew point46°
Fri, 0658° / 49°0
Morning53°feels 51°
Afternoon56°feels 54°
Evening51°feels 50°
Overnight50°feels 49°
58 °
Keystone, Friday, 6 November
Partly cloudy. High 58°, low 49°.
Pressure29.97 inHg
Wind8 mph N
Humidity59%
Visibility—
Dew point42°
Sat, 0756° / 45°0
Morning48°feels 47°
Afternoon54°feels 52°
Evening51°feels 50°
Overnight49°feels 48°
56 °
Keystone, Saturday, 7 November
Overcast. High 56°, low 45°.
Pressure29.94 inHg
Wind5.8 mph NE
Humidity65%
Visibility—
Dew point42°
Sun, 0855° / 45°0
Morning47°feels 44°
Afternoon53°feels 51°
Evening47°feels 43°
Overnight45°feels 40°
55 °
Keystone, Sunday, 8 November
Partly cloudy. High 55°, low 45°.
Pressure30.03 inHg
Wind12.9 mph N
Humidity57%
Visibility—
Dew point38°
Mon, 0957° / 40°0
Morning44°feels 40°
Afternoon53°feels 51°
Evening48°feels 48°
Overnight45°feels 43°
57 °
Keystone, Monday, 9 November
Mostly clear. High 57°, low 40°.
Pressure30.09 inHg
Wind7.2 mph N
Humidity52%
Visibility—
Dew point35°
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 Keystone, 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.