10-day forecast for Keystone, IA: 45° to 73°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Saturday, October 24
60° · 0.7 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2473° / 51°0
Morning54°feels 53°
Afternoon72°feels 72°
Evening59°feels 58°
Overnight56°feels 55°
73 °
Keystone, Saturday, 24 October
Clear. High 73°, low 51°.
Pressure30.27 inHg
Wind11.8 mph S
Humidity57%
Visibility6.2 mi
Dew point52°
Sun, 2573° / 49°0
Morning54°feels 53°
Afternoon72°feels 72°
Evening63°feels 62°
Overnight54°feels 53°
73 °
Keystone, Sunday, 25 October
Overcast. High 73°, low 49°.
Pressure30.36 inHg
Wind4 mph SW
Humidity60%
Visibility6.2 mi
Dew point54°
Mon, 2669° / 51°0
Morning51°feels 49°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight55°feels 55°
69 °
Keystone, Monday, 26 October
Overcast. High 69°, low 51°.
Pressure30.33 inHg
Wind7.9 mph E
Humidity62%
Visibility6.2 mi
Dew point49°
Tue, 2769° / 53°0
Morning54°feels 53°
Afternoon67°feels 66°
Evening63°feels 62°
Overnight55°feels 55°
69 °
Keystone, Tuesday, 27 October
Partly cloudy. High 69°, low 53°.
Pressure30.18 inHg
Wind9.8 mph SE
Humidity67%
Visibility6.2 mi
Dew point52°
Wed, 2866° / 51°0.13
Morning60°feels 59°
Afternoon64°feels 63°
Evening54°feels 53°
Overnight52°feels 51°
66 °
Keystone, Wednesday, 28 October
Light rain. High 66°, low 51°.
Pressure30.03 inHg
Wind15.8 mph W
Humidity60%
Visibility—
Dew point51°
Thu, 2960° / 45°0.7
Morning48°feels 47°
Afternoon53°feels 51°
Evening55°feels 53°
Overnight51°feels 49°
60 °
Keystone, Thursday, 29 October
Rain. High 60°, low 45°.
Pressure30.18 inHg
Wind10.3 mph N
Humidity72%
Visibility—
Dew point43°
Fri, 3054° / 47°0.11
Morning49°feels 46°
Afternoon53°feels 51°
Evening51°feels 50°
Overnight51°feels 49°
54 °
Keystone, Friday, 30 October
Light rain. High 54°, low 47°.
Pressure30.21 inHg
Wind8.4 mph E
Humidity74%
Visibility—
Dew point44°
Sat, 3155° / 52°0.5
Morning54°feels 54°
Afternoon54°feels 54°
Evening55°feels 55°
Overnight55°feels 54°
55 °
Keystone, Saturday, 31 October
Rain. High 55°, low 52°.
Pressure29.97 inHg
Wind11.8 mph SE
Humidity95%
Visibility—
Dew point53°
Sun, 0162° / 55°0
Morning57°feels 57°
Afternoon61°feels 60°
Evening56°feels 56°
Overnight56°feels 55°
62 °
Keystone, Sunday, 1 November
Overcast. High 62°, low 55°.
Pressure30.12 inHg
Wind10.9 mph E
Humidity72%
Visibility—
Dew point52°
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.