10-day forecast for Keystone, IA: 46° to 72°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Sunday, November 1
58° · 0.52 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2872° / 50°0.05
Morning52°feels 52°
Afternoon71°feels 70°
Evening67°feels 66°
Overnight53°feels 52°
72 °
Keystone, Wednesday, 28 October
Light rain. High 72°, low 50°.
Pressure30.09 inHg
Wind12.6 mph S
Humidity68%
Visibility6.2 mi
Dew point56°
Thu, 2966° / 50°0
Morning60°feels 60°
Afternoon66°feels 64°
Evening54°feels 52°
Overnight61°feels 61°
66 °
Keystone, Thursday, 29 October
Light rain. High 66°, low 50°.
Pressure30.15 inHg
Wind10.1 mph N
Humidity56%
Visibility6.2 mi
Dew point48°
Fri, 3058° / 46°0.52
Morning46°feels 42°
Afternoon55°feels 54°
Evening55°feels 54°
Overnight48°feels 46°
58 °
Keystone, Friday, 30 October
Rain. High 58°, low 46°.
Pressure30.24 inHg
Wind8.8 mph SE
Humidity68%
Visibility2.9 mi
Dew point45°
Sat, 3161° / 53°0.44
Morning55°feels 55°
Afternoon58°feels 58°
Evening59°feels 59°
Overnight54°feels 54°
61 °
Keystone, Saturday, 31 October
Rain. High 61°, low 53°.
Pressure30.21 inHg
Wind6.9 mph E
Humidity93%
Visibility—
Dew point55°
Sun, 0167° / 55°0
Morning58°feels 58°
Afternoon64°feels 64°
Evening61°feels 61°
Overnight58°feels 58°
67 °
Keystone, Sunday, 1 November
Overcast. High 67°, low 55°.
Pressure30.21 inHg
Wind8.2 mph E
Humidity78%
Visibility—
Dew point56°
Mon, 0258° / 55°0.13
Morning56°feels 55°
Afternoon56°feels 56°
Evening58°feels 57°
Overnight56°feels 56°
58 °
Keystone, Monday, 2 November
Light rain. High 58°, low 55°.
Pressure29.88 inHg
Wind11.7 mph E
Humidity99%
Visibility—
Dew point56°
Tue, 0356° / 52°0.13
Morning55°feels 54°
Afternoon55°feels 54°
Evening53°feels 53°
Overnight53°feels 52°
56 °
Keystone, Tuesday, 3 November
Light rain. High 56°, low 52°.
Pressure30.00 inHg
Wind16.9 mph E
Humidity90%
Visibility—
Dew point52°
Wed, 0452° / 49°0.24
Morning50°feels 45°
Afternoon52°feels 50°
Evening50°feels 44°
Overnight49°feels 43°
52 °
Keystone, Wednesday, 4 November
Light rain. High 52°, low 49°.
Pressure29.97 inHg
Wind16 mph E
Humidity80%
Visibility—
Dew point46°
Thu, 0548° / 46°0.16
Morning47°feels 40°
Afternoon48°feels 42°
Evening48°feels 42°
Overnight47°feels 41°
48 °
Keystone, Thursday, 5 November
Light rain. High 48°, low 46°.
Pressure29.85 inHg
Wind16.7 mph N
Humidity91%
Visibility—
Dew point45°
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.