10-day forecast for Coster, IA: 37° to 73°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Tuesday, October 13
67° · 0.74 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1469° / 49°0
Morning49°feels 44°
Afternoon64°feels 62°
Evening58°feels 56°
Overnight55°feels 53°
69 °
Coster, Wednesday, 14 October
Clear. High 69°, low 49°.
Pressure30.18 inHg
Wind8.4 mph NE
Humidity61%
Visibility6.2 mi
Dew point47°
Thu, 1558° / 52°0.3
Morning55°feels 55°
Afternoon57°feels 56°
Evening53°feels 52°
Overnight55°feels 54°
58 °
Coster, Thursday, 15 October
Rain. High 58°, low 52°.
Pressure30.09 inHg
Wind6.3 mph NE
Humidity82%
Visibility3.4 mi
Dew point52°
Fri, 1655° / 44°0
Morning47°feels 40°
Afternoon53°feels 50°
Evening47°feels 44°
Overnight48°feels 42°
55 °
Coster, Friday, 16 October
Overcast. High 55°, low 44°.
Pressure30.47 inHg
Wind20.2 mph N
Humidity52%
Visibility6.2 mi
Dew point34°
Sat, 1759° / 37°0
Morning43°feels 39°
Afternoon56°feels 54°
Evening52°feels 50°
Overnight47°feels 45°
59 °
Coster, Saturday, 17 October
Clear. High 59°, low 37°.
Pressure30.39 inHg
Wind14.2 mph S
Humidity42%
Visibility—
Dew point32°
Sun, 1864° / 46°0
Morning51°feels 46°
Afternoon59°feels 58°
Evening53°feels 51°
Overnight50°feels 47°
64 °
Coster, Sunday, 18 October
Overcast. High 64°, low 46°.
Pressure30.06 inHg
Wind15.2 mph S
Humidity48%
Visibility—
Dew point39°
Mon, 1953° / 48°0.04
Morning51°feels 49°
Afternoon53°feels 52°
Evening50°feels 49°
Overnight50°feels 46°
53 °
Coster, Monday, 19 October
Light rain. High 53°, low 48°.
Pressure30.15 inHg
Wind12 mph S
Humidity89%
Visibility—
Dew point50°
Tue, 2059° / 50°0
Morning53°feels 50°
Afternoon59°feels 58°
Evening56°feels 56°
Overnight55°feels 55°
59 °
Coster, Tuesday, 20 October
Light rain. High 59°, low 50°.
Pressure30.12 inHg
Wind11.6 mph SE
Humidity75%
Visibility—
Dew point50°
Wed, 2169° / 58°0.1
Morning61°feels 61°
Afternoon65°feels 66°
Evening65°feels 65°
Overnight62°feels 63°
69 °
Coster, Wednesday, 21 October
Light rain. High 69°, low 58°.
Pressure30.03 inHg
Wind17.7 mph S
Humidity89%
Visibility—
Dew point61°
Thu, 2267° / 63°0.74
Morning64°feels 64°
Afternoon65°feels 65°
Evening66°feels 67°
Overnight67°feels 67°
67 °
Coster, Thursday, 22 October
Rain. High 67°, low 63°.
Pressure29.80 inHg
Wind22.6 mph S
Humidity93%
Visibility—
Dew point62°
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.