10-day forecast for Keystone, IA: 39° to 72°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Wednesday, October 28
55° · 1.2 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2965° / 48°0.03
Morning56°feels 55°
Afternoon64°feels 62°
Evening52°feels 50°
Overnight59°feels 59°
65 °
Keystone, Thursday, 29 October
Light rain. High 65°, low 48°.
Pressure30.18 inHg
Wind8.9 mph N
Humidity50%
Visibility6.2 mi
Dew point43°
Fri, 3055° / 46°1.2
Morning48°feels 44°
Afternoon55°feels 54°
Evening52°feels 51°
Overnight48°feels 45°
55 °
Keystone, Friday, 30 October
Heavy rain. High 55°, low 46°.
Pressure30.27 inHg
Wind8.2 mph E
Humidity73%
Visibility2.6 mi
Dew point45°
Sat, 3161° / 53°0.26
Morning54°feels 54°
Afternoon60°feels 60°
Evening56°feels 56°
Overnight53°feels 53°
61 °
Keystone, Saturday, 31 October
Rain. High 61°, low 53°.
Pressure30.27 inHg
Wind6.4 mph E
Humidity95%
Visibility3.3 mi
Dew point55°
Sun, 0167° / 51°0
Morning52°feels 52°
Afternoon64°feels 63°
Evening59°feels 59°
Overnight53°feels 53°
67 °
Keystone, Sunday, 1 November
Mostly clear. High 67°, low 51°.
Pressure30.27 inHg
Wind9.6 mph SE
Humidity74%
Visibility—
Dew point54°
Mon, 0264° / 56°0.17
Morning58°feels 58°
Afternoon63°feels 63°
Evening63°feels 63°
Overnight61°feels 61°
64 °
Keystone, Monday, 2 November
Light rain. High 64°, low 56°.
Pressure30.00 inHg
Wind15.3 mph SE
Humidity82%
Visibility—
Dew point57°
Tue, 0360° / 56°0.35
Morning57°feels 57°
Afternoon56°feels 56°
Evening56°feels 56°
Overnight56°feels 56°
60 °
Keystone, Tuesday, 3 November
Rain. High 60°, low 56°.
Pressure29.85 inHg
Wind17.6 mph E
Humidity95%
Visibility—
Dew point55°
Wed, 0456° / 54°0.8
Morning55°feels 55°
Afternoon56°feels 55°
Evening55°feels 54°
Overnight55°feels 54°
56 °
Keystone, Wednesday, 4 November
Rain. High 56°, low 54°.
Pressure29.74 inHg
Wind15.5 mph NE
Humidity97%
Visibility—
Dew point55°
Thu, 0558° / 49°0
Morning53°feels 52°
Afternoon54°feels 53°
Evening51°feels 49°
Overnight50°feels 46°
58 °
Keystone, Thursday, 5 November
Overcast. High 58°, low 49°.
Pressure29.80 inHg
Wind14.1 mph N
Humidity84%
Visibility—
Dew point49°
Fri, 0649° / 39°0
Morning42°feels 37°
Afternoon48°feels 44°
Evening42°feels 38°
Overnight40°feels 36°
49 °
Keystone, Friday, 6 November
Overcast. High 49°, low 39°.
Pressure30.06 inHg
Wind9 mph N
Humidity50%
Visibility—
Dew point30°
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.