10-day forecast for Keystone, IA: 45° to 72°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Sunday, October 25
66° · 0.9 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2667° / 49°0
Morning52°feels 50°
Afternoon67°feels 66°
Evening58°feels 58°
Overnight53°feels 53°
67 °
Keystone, Monday, 26 October
Overcast. High 67°, low 49°.
Pressure30.30 inHg
Wind7.2 mph E
Humidity65%
Visibility6.2 mi
Dew point49°
Tue, 2767° / 53°0.03
Morning53°feels 53°
Afternoon66°feels 65°
Evening62°feels 61°
Overnight56°feels 55°
67 °
Keystone, Tuesday, 27 October
Light rain. High 67°, low 53°.
Pressure30.12 inHg
Wind10.1 mph S
Humidity60%
Visibility6.2 mi
Dew point51°
Wed, 2871° / 55°0.01
Morning56°feels 55°
Afternoon70°feels 69°
Evening66°feels 66°
Overnight58°feels 57°
71 °
Keystone, Wednesday, 28 October
Light rain. High 71°, low 55°.
Pressure30.09 inHg
Wind12.5 mph S
Humidity57%
Visibility6.2 mi
Dew point52°
Thu, 2968° / 56°0.2
Morning61°feels 61°
Afternoon64°feels 64°
Evening59°feels 59°
Overnight61°feels 61°
68 °
Keystone, Thursday, 29 October
Rain. High 68°, low 56°.
Pressure30.12 inHg
Wind9.2 mph SW
Humidity81%
Visibility—
Dew point58°
Fri, 3066° / 54°0.9
Morning58°feels 58°
Afternoon64°feels 64°
Evening61°feels 62°
Overnight60°feels 60°
66 °
Keystone, Friday, 30 October
Rain. High 66°, low 54°.
Pressure30.09 inHg
Wind7.2 mph E
Humidity90%
Visibility—
Dew point60°
Sat, 3166° / 58°0.38
Morning62°feels 62°
Afternoon65°feels 65°
Evening58°feels 58°
Overnight58°feels 58°
66 °
Keystone, Saturday, 31 October
Rain. High 66°, low 58°.
Pressure30.06 inHg
Wind11.9 mph S
Humidity66%
Visibility—
Dew point54°
Sun, 0163° / 58°0.24
Morning58°feels 58°
Afternoon60°feels 60°
Evening59°feels 60°
Overnight59°feels 59°
63 °
Keystone, Sunday, 1 November
Light rain. High 63°, low 58°.
Pressure30.00 inHg
Wind9.4 mph SE
Humidity95%
Visibility—
Dew point58°
Mon, 0266° / 59°0.33
Morning60°feels 61°
Afternoon64°feels 65°
Evening63°feels 64°
Overnight61°feels 61°
66 °
Keystone, Monday, 2 November
Light rain. High 66°, low 59°.
Pressure29.62 inHg
Wind13.8 mph SE
Humidity95%
Visibility—
Dew point62°
Tue, 0358° / 45°0.01
Morning50°feels 47°
Afternoon47°feels 40°
Evening46°feels 39°
Overnight46°feels 40°
58 °
Keystone, Tuesday, 3 November
Light rain. High 58°, low 45°.
Pressure29.80 inHg
Wind21.8 mph W
Humidity75%
Visibility—
Dew point40°
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.