10-day forecast for Coster, IA: 34° to 72°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Tuesday, October 20
60° · 1 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1560° / 51°1
Morning60°feels 60°
Afternoon58°feels 58°
Evening51°feels 50°
Overnight58°feels 57°
60 °
Coster, Thursday, 15 October
Heavy rain. High 60°, low 51°.
Pressure29.94 inHg
Wind7.2 mph E
Humidity96%
Visibility1.9 mi
Dew point57°
Fri, 1651° / 41°0
Morning46°feels 38°
Afternoon50°feels 43°
Evening46°feels 40°
Overnight47°feels 41°
51 °
Coster, Friday, 16 October
Light rain. High 51°, low 41°.
Pressure30.33 inHg
Wind23.7 mph N
Humidity70%
Visibility6.2 mi
Dew point39°
Sat, 1757° / 34°0
Morning35°feels 32°
Afternoon56°feels 54°
Evening49°feels 44°
Overnight38°feels 35°
57 °
Coster, Saturday, 17 October
Clear. High 57°, low 34°.
Pressure30.53 inHg
Wind10.7 mph SW
Humidity44%
Visibility6.2 mi
Dew point30°
Sun, 1862° / 42°0
Morning44°feels 38°
Afternoon60°feels 57°
Evening54°feels 52°
Overnight45°feels 39°
62 °
Coster, Sunday, 18 October
Clear. High 62°, low 42°.
Pressure30.30 inHg
Wind14.1 mph S
Humidity52%
Visibility6.2 mi
Dew point38°
Mon, 1963° / 45°0
Morning49°feels 46°
Afternoon60°feels 59°
Evening56°feels 55°
Overnight52°feels 50°
63 °
Coster, Monday, 19 October
Overcast. High 63°, low 45°.
Pressure30.30 inHg
Wind11.9 mph S
Humidity56%
Visibility—
Dew point43°
Tue, 2067° / 49°0
Morning54°feels 51°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight55°feels 53°
67 °
Coster, Tuesday, 20 October
Clear. High 67°, low 49°.
Pressure30.21 inHg
Wind9.9 mph S
Humidity48%
Visibility—
Dew point43°
Wed, 2172° / 52°0.53
Morning57°feels 56°
Afternoon69°feels 69°
Evening65°feels 65°
Overnight61°feels 61°
72 °
Coster, Wednesday, 21 October
Heavy rain. High 72°, low 52°.
Pressure30.03 inHg
Wind14.5 mph S
Humidity52%
Visibility—
Dew point49°
Thu, 2263° / 55°0.18
Morning59°feels 58°
Afternoon62°feels 61°
Evening56°feels 55°
Overnight55°feels 54°
63 °
Coster, Thursday, 22 October
Rain. High 63°, low 55°.
Pressure30.12 inHg
Wind12.6 mph N
Humidity71%
Visibility—
Dew point52°
Fri, 2365° / 49°0.44
Morning51°feels 47°
Afternoon55°feels 55°
Evening63°feels 64°
Overnight62°feels 61°
65 °
Coster, Friday, 23 October
Rain. High 65°, low 49°.
Pressure29.97 inHg
Wind19.3 mph SE
Humidity97%
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 Coster, 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.