10-day forecast for Keystone, IA: 41° to 69°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Sunday, November 1
69° · 1.06 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0265° / 55°0.48
Morning58°feels 58°
Afternoon59°feels 59°
Evening65°feels 66°
Overnight56°feels 56°
65 °
Keystone, Monday, 2 November
Heavy rain. High 65°, low 55°.
Pressure29.83 inHg
Wind15.7 mph SE
Humidity93%
Visibility2.2 mi
Dew point59°
Tue, 0369° / 57°1.06
Morning65°feels 66°
Afternoon69°feels 70°
Evening60°feels 60°
Overnight65°feels 66°
69 °
Keystone, Tuesday, 3 November
Heavy rain. High 69°, low 57°.
Pressure29.62 inHg
Wind15.1 mph S
Humidity86%
Visibility5.9 mi
Dew point64°
Wed, 0456° / 50°0.09
Morning52°feels 50°
Afternoon52°feels 52°
Evening50°feels 49°
Overnight54°feels 53°
56 °
Keystone, Wednesday, 4 November
Light rain. High 56°, low 50°.
Pressure29.59 inHg
Wind11.8 mph SW
Humidity75%
Visibility6.2 mi
Dew point46°
Thu, 0552° / 48°0.08
Morning50°feels 49°
Afternoon52°feels 51°
Evening51°feels 50°
Overnight48°feels 44°
52 °
Keystone, Thursday, 5 November
Light rain. High 52°, low 48°.
Pressure29.71 inHg
Wind12.8 mph NW
Humidity84%
Visibility—
Dew point47°
Fri, 0651° / 47°0
Morning48°feels 44°
Afternoon51°feels 49°
Evening49°feels 46°
Overnight47°feels 45°
51 °
Keystone, Friday, 6 November
Overcast. High 51°, low 47°.
Pressure30.00 inHg
Wind12.8 mph N
Humidity60%
Visibility—
Dew point37°
Sat, 0760° / 44°0
Morning48°feels 46°
Afternoon57°feels 55°
Evening52°feels 49°
Overnight47°feels 42°
60 °
Keystone, Saturday, 7 November
Overcast. High 60°, low 44°.
Pressure29.88 inHg
Wind12.8 mph NW
Humidity55%
Visibility—
Dew point40°
Sun, 0858° / 41°0
Morning46°feels 41°
Afternoon55°feels 53°
Evening49°feels 45°
Overnight45°feels 41°
58 °
Keystone, Sunday, 8 November
Clear. High 58°, low 41°.
Pressure29.91 inHg
Wind12.7 mph NW
Humidity43%
Visibility—
Dew point32°
Mon, 0961° / 41°0
Morning46°feels 42°
Afternoon56°feels 54°
Evening49°feels 45°
Overnight45°feels 41°
61 °
Keystone, Monday, 9 November
Clear. High 61°, low 41°.
Pressure30.00 inHg
Wind11 mph NW
Humidity53%
Visibility—
Dew point38°
Tue, 1054° / 41°0
Morning44°feels 41°
Afternoon51°feels 48°
Evening48°feels 44°
Overnight46°feels 44°
54 °
Keystone, Tuesday, 10 November
Overcast. High 54°, low 41°.
Pressure30.21 inHg
Wind9 mph SE
Humidity46%
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.